head movements

Summary

Summary: Voluntary or involuntary motion of head that may be relative to or independent of body; includes animals and humans.

Top Publications

  1. ncbi Vestibular system: the many facets of a multimodal sense
    Dora E Angelaki
    Department of Anatomy and Neurobiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
    Annu Rev Neurosci 31:125-50. 2008
  2. ncbi Vibrissa-based object localization in head-fixed mice
    Daniel H O'Connor
    Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, Virginia 20147, USA
    J Neurosci 30:1947-67. 2010
  3. pmc The vestibular system: multimodal integration and encoding of self-motion for motor control
    Kathleen E Cullen
    Department of Physiology, McGill University, Montreal, Quebec H3G 1Y6, Canada
    Trends Neurosci 35:185-96. 2012
  4. ncbi Measurement of head impacts in collegiate football players: relationship between head impact biomechanics and acute clinical outcome after concussion
    Kevin M Guskiewicz
    Department of Exercise and Sport Science, Curriculum in Human Movement Science, The University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Neurosurgery 61:1244-52; discussion 1252-3. 2007
  5. ncbi Role of the lateral mammillary nucleus in the rat head direction circuit: a combined single unit recording and lesion study
    H T Blair
    Department of Psychology, Yale University, New Haven, Connecticut 06520, USA
    Neuron 21:1387-97. 1998
  6. ncbi Individual semicircular canal function in superior and inferior vestibular neuritis
    S T Aw
    Department of Neurology, Royal Prince Alfred Hospital, Sydney, Australia
    Neurology 57:768-74. 2001
  7. pmc Theta-modulated place-by-direction cells in the hippocampal formation in the rat
    Francesca Cacucci
    Department of Anatomy and Developmental Biology, University College London, WC1N 3AR, London, United Kingdom
    J Neurosci 24:8265-77. 2004
  8. ncbi Temporal processing of active and passive head movement
    Michael Barnett-Cowan
    Multisensory Integration Laboratory, Centre for Vision Research, Department of Psychology, York University, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
    Exp Brain Res 214:27-35. 2011
  9. ncbi Perceived timing of vestibular stimulation relative to touch, light and sound
    Michael Barnett-Cowan
    Department of Psychology, Multisensory Integration Laboratory, Centre for Vision Research, York University, Toronto, ON M3J 1P3, Canada
    Exp Brain Res 198:221-31. 2009
  10. pmc Precision and accuracy of the subjective haptic vertical in the roll plane
    Jeanine R Schuler
    Department of Neurology, Zurich University Hospital, Zurich, Switzerland
    BMC Neurosci 11:83. 2010

Research Grants

  1. Structure-function analyses on novel processes of type II vestibular hair cells
    Jennifer S Stone; Fiscal Year: 2013
  2. Mechanisms of Sensory Regeneration
    Mark Warchol; Fiscal Year: 2013
  3. Hair cell development of zebrafish mutants with defects in the marginal zone
    JONATHAN MATSUI; Fiscal Year: 2010
  4. Neuroimaging and Behavioral Biomarkers for ADHD in Children
    Martin H Teicher; Fiscal Year: 2010
  5. Electrical Stimulation to Restore Three Dimensional Vestibular Sensation
    Charles C Della Santina; Fiscal Year: 2012
  6. Vestibular control of head movements
    Natela M Shanidze; Fiscal Year: 2010
  7. PHYSIOLOGY OF VESTIBULAR COMPENSATION
    Charles C Della Santina; Fiscal Year: 2013
  8. Neural Interactions Among Multiple Motor Structures
    Marc H Schieber; Fiscal Year: 2010
  9. VESTIBULAR AND VISUAL CONTROL OF EYE MOVEMENT
    Jennifer L Raymond; Fiscal Year: 2013
  10. NEURAL CONTROL OF VISUAL-VESTIBULAR BEHAVIOR
    Michael J Mustari; Fiscal Year: 2013

Detail Information

Publications322 found, 100 shown here

  1. ncbi Vestibular system: the many facets of a multimodal sense
    Dora E Angelaki
    Department of Anatomy and Neurobiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
    Annu Rev Neurosci 31:125-50. 2008
    ..with corollary discharge of a motor plan, allow the brain to distinguish actively generated from passive head movements. Finally, nonlinear interactions between otolith and canal signals allow the vestibular system to function as ..
  2. ncbi Vibrissa-based object localization in head-fixed mice
    Daniel H O'Connor
    Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, Virginia 20147, USA
    J Neurosci 30:1947-67. 2010
    ..Mice tended to maximize contact with the go (rewarded) stimulus while minimizing contact with the no-go stimulus. We conjecture that this may amplify differences in evoked neural activity between trial types...
  3. pmc The vestibular system: multimodal integration and encoding of self-motion for motor control
    Kathleen E Cullen
    Department of Physiology, McGill University, Montreal, Quebec H3G 1Y6, Canada
    Trends Neurosci 35:185-96. 2012
    ....
  4. ncbi Measurement of head impacts in collegiate football players: relationship between head impact biomechanics and acute clinical outcome after concussion
    Kevin M Guskiewicz
    Department of Exercise and Sport Science, Curriculum in Human Movement Science, The University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Neurosurgery 61:1244-52; discussion 1252-3. 2007
    ....
  5. ncbi Role of the lateral mammillary nucleus in the rat head direction circuit: a combined single unit recording and lesion study
    H T Blair
    Department of Psychology, Yale University, New Haven, Connecticut 06520, USA
    Neuron 21:1387-97. 1998
    ..Based on these findings, we argue that LMN may be an essential component of an attractor-integrator network that participates in generating the HD signal...
  6. ncbi Individual semicircular canal function in superior and inferior vestibular neuritis
    S T Aw
    Department of Neurology, Royal Prince Alfred Hospital, Sydney, Australia
    Neurology 57:768-74. 2001
    ..To examine the concept of selective superior and inferior vestibular nerve involvement in vestibular neuritis by studying the distribution of semicircular canal (SCC) involvement in such patients...
  7. pmc Theta-modulated place-by-direction cells in the hippocampal formation in the rat
    Francesca Cacucci
    Department of Anatomy and Developmental Biology, University College London, WC1N 3AR, London, United Kingdom
    J Neurosci 24:8265-77. 2004
    ..When recorded in different environments, TPD locational and directional fields can uncouple, with the locational field shifting unpredictably ("remapping"), whereas the directional preference remains similar across environments...
  8. ncbi Temporal processing of active and passive head movement
    Michael Barnett-Cowan
    Multisensory Integration Laboratory, Centre for Vision Research, Department of Psychology, York University, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
    Exp Brain Res 214:27-35. 2011
    ..The unexpected additional delay in processing the timing of an active head movement is compatible with the suppression hypothesis and is discussed in relation to suppression of vestibular signals during self-generated head movement...
  9. ncbi Perceived timing of vestibular stimulation relative to touch, light and sound
    Michael Barnett-Cowan
    Department of Psychology, Multisensory Integration Laboratory, Centre for Vision Research, York University, Toronto, ON M3J 1P3, Canada
    Exp Brain Res 198:221-31. 2009
    ..This lead was significantly less than the relative timing predicted by reaction time differences compatible with an incomplete tendency to compensate for differences in processing times...
  10. pmc Precision and accuracy of the subjective haptic vertical in the roll plane
    Jeanine R Schuler
    Department of Neurology, Zurich University Hospital, Zurich, Switzerland
    BMC Neurosci 11:83. 2010
    ..Twelve healthy right-handed human subjects (handedness assessed based on subjects' verbal report) adjusted a rod with the right hand along perceived earth-vertical during static head roll-tilts (0-360 degrees , steps of 20 degrees )...
  11. ncbi Head roll dependent variability of subjective visual vertical and ocular counterroll
    Alexander A Tarnutzer
    Department of Neurology, Zurich University Hospital, Zurich, Switzerland
    Exp Brain Res 195:621-6. 2009
    ..We propose that the similarities in variability reflect a common otolith input, which, however, is subject to distinct central processing for determining the gain of SVV and OCR...
  12. ncbi The subjective visual vertical in a nonhuman primate
    Nabil Daddaoua
    Center for Neurology, Hertie Institute for Clinical Brain Research, Department of Cognitive Neurology, University of Tuebingen, Tuebingen, Germany
    J Vis 8:19.1-8. 2008
    ..Our ability to demonstrate similar visuo-vestibular illusions in monkeys and man is an important step towards understanding the neural mechanism responsible for the perception of an upright visual world...
  13. pmc Bmp4 is essential for the formation of the vestibular apparatus that detects angular head movements
    Weise Chang
    National Institute on Deafness and Other Communication Disorders, NIH, Rockville, Maryland, United States of America
    PLoS Genet 4:e1000050. 2008
    Angular head movements in vertebrates are detected by the three semicircular canals of the inner ear and their associated sensory tissues, the cristae...
  14. pmc Decoding of MSTd population activity accounts for variations in the precision of heading perception
    Yong Gu
    Department of Neurobiology, Washington University School of Medicine, St Louis, MO 63110, USA
    Neuron 66:596-609. 2010
    ..Our findings support the notion that population activity in extrastriate cortex limits the precision of both visual and vestibular heading perception...
  15. pmc The video head impulse test: diagnostic accuracy in peripheral vestibulopathy
    H G MacDougall
    Vestibular Research Laboratory, School of Psychology, University of Sydney, Sydney, Australia
    Neurology 73:1134-41. 2009
    ..The scleral search coil technique is the gold standard for HIT measurements, but it is not practical for routine testing or for acute patients, because they are required to wear an uncomfortable contact lens...
  16. ncbi The head direction signal: origins and sensory-motor integration
    Jeffrey S Taube
    Department of Psychological and Brain Sciences, Center for Cognitive Neuroscience, Dartmouth College, Hanover, New Hampshire, 03755, USA
    Annu Rev Neurosci 30:181-207. 2007
    ..Vestibular information appears critical for generating the directional signal, but motor/proprioceptive and landmark information are important for updating it...
  17. ncbi Online steering: coordination and control of body center of mass, head and body reorientation
    A E Patla
    Department of Kinesiology, University of Waterloo, Ontario, Canada
    Exp Brain Res 129:629-34. 1999
    ..Control of body center of mass precedes all other changes and is followed by initiation of head reorientation. Only then is the rest of the body reorientation initiated...
  18. ncbi Signal processing in the vestibular system during active versus passive head movements
    Kathleen E Cullen
    Aerospace Medical Research Unit, Department of Physiology, McGill University, Montreal, Quebec H3G 1Y6, Canada
    J Neurophysiol 91:1919-33. 2004
    In everyday life, vestibular receptors are activated by both self-generated and externally applied head movements. Traditionally, it has been assumed that the vestibular system reliably encodes head-in-space motion throughout our daily ..
  19. ncbi The coordination of rotations of the eyes, head and trunk in saccadic turns produced in natural situations
    Michael F Land
    Sussex Centre for Neuroscience, School of Life Sciences, University of Sussex, BN1 9QG, Brighton, UK
    Exp Brain Res 159:151-60. 2004
    ..This mechanism, which is essentially the same as the vestibulo-collic reflex, nulls out disturbances to the head-in-space trajectory, whether these are caused by active or passive trunk rotation...
  20. ncbi Concussion in professional football: location and direction of helmet impacts-Part 2
    Elliot J Pellman
    ProHEALTH Care Associates, LLP, Lake Success, New York, USA
    Neurosurgery 53:1328-40; discussion 1340-1. 2003
    ..By use of selected cases that were reconstructed in laboratory tests and reported previously, the magnitude and direction of force causing concussion was determined for these locations...
  21. ncbi Saccadic compensation for smooth eye and head movements during head-unrestrained two-dimensional tracking
    P M Daye
    Center for Systems Engineering and Applied Mechanics, Universite Catholique de Louvain, Louvain la Neuve, Belgium
    J Neurophysiol 103:543-56. 2010
    ..We conclude that the general mechanisms of compensation for smooth gaze displacements are similar to those observed in the head-restrained condition...
  22. ncbi Tracking whisker and head movements in unrestrained behaving rodents
    Per Magne Knutsen
    Deptartment of Neurobiology, The Weizmann Institute of Science, 76100 Rehovot, Israel
    J Neurophysiol 93:2294-301. 2005
    ....
  23. ncbi Association between cervicocephalic kinesthetic sensibility and frequency of subclinical neck pain
    Hsin Yi Lee
    Institute of Occupational Medicine and Industrial Hygiene, College of Public Health, National Taiwan University, Taipei, Taiwan, ROC
    Man Ther 13:419-25. 2008
    ..The findings reveal that pain frequency, not the intensity or duration of pain, is associated with neck proprioception in individuals with subclinical neck pain...
  24. ncbi Human walking along a curved path. I. Body trajectory, segment orientation and the effect of vision
    Gregoire Courtine
    INSERM Motricité and Plasticité, University of Burgundy, Dijon, France
    Eur J Neurosci 18:177-90. 2003
    ..In general, the changes in the amplitude of head, trunk and feet movements proved to be well related to the kinematics of the steering body, and constituted a sort of basic library of motor synergies...
  25. ncbi Arm swing is reduced in idiopathic cervical dystonia
    Georg Kägi
    Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology, University College London, National Hospital for Neurology and Neurosurgery, Queen Square, London, United Kingdom
    Mov Disord 23:1784-7. 2008
    ..05). Women with AOPCD had more often reduced arm swing compared with men (P = 0.002). Reduced arm swing is common in AOPCD. It may indicate segmental spread of subtle motor dysfunction or it may be a feature of dystonia per se...
  26. ncbi Galvanic vestibular stimulation elicits consistent head-neck motion in seated subjects
    Farzad Ehtemam
    Department of Biomechanical Engineering, Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, 2628 CD Delft, The Netherlands
    IEEE Trans Biomed Eng 59:1978-84. 2012
    ..These results demonstrate the potential of GVS to investigate the vestibular contribution to head-neck stabilization...
  27. ncbi Horizontal head impulse test detects gentamicin vestibulotoxicity
    K P Weber
    Department of Neurology, Royal Prince Alfred Hospital, Sydney, Australia
    Neurology 72:1417-24. 2009
    ..Parenteral antibiotic therapy with gentamicin, even in accepted therapeutic doses, can occasionally cause bilateral vestibular loss (BVL) due to hair cell toxicity...
  28. pmc Locomotor head movements and semicircular canal morphology in primates
    Michael D Malinzak
    Department of Evolutionary Anthropology, Duke University, Durham, NC 27708, USA
    Proc Natl Acad Sci U S A 109:17914-9. 2012
    ..e., along planes at 90° angles to one another). The extent to which the canal configuration approaches orthogonality is correlated with rotational head speed independent of body mass and phylogeny, whereas R is not...
  29. ncbi Decreased isometric neck strength in women with chronic neck pain and the repeatability of neck strength measurements
    Jari Ylinen
    Department of Physical and Rehabilitation Medicine, Jyvaskyla Central Hospital, Jyvaskyla, Finland
    Arch Phys Med Rehabil 85:1303-8. 2004
    ....
  30. pmc Vestibular control of the head: possible functions of the vestibulocollic reflex
    Jay M Goldberg
    Department of Neurobiology, Pharmacology and Physiology, University of Chicago, Chicago, IL 60637, USA
    Exp Brain Res 210:331-45. 2011
    ..we review the angular vestibulocollic reflex (VCR) focusing on its function during unexpected and voluntary head movements. Theoretically, the VCR could (1) stabilize the head in space during body movements and/or (2) dampen head ..
  31. ncbi Dynamic visual acuity during passive and self-generated transient head rotation in normal and unilaterally vestibulopathic humans
    Jun Ru Tian
    Department of Ophthalmology, University of California, Los Angeles, CA 90095 7002, USA
    Exp Brain Res 142:486-95. 2002
    ..Eye and head movements were recorded using search coils to characterize ocular motor strategies...
  32. ncbi Auditory and visual orienting responses in listeners with and without hearing-impairment
    W Owen Brimijoin
    MRC Institute of Hearing, Research Scottish Section, Glasgow Royal Infirmary, Glasgow G31 2ER, United Kingdom
    J Acoust Soc Am 127:3678-88. 2010
    b>Head movements are intimately involved in sound localization and may provide information that could aid an impaired auditory system...
  33. ncbi The coordination of eye, head, and hand movements in a natural task
    J Pelz
    Center for Visual Science, University of Rochester, NY 14534, USA
    Exp Brain Res 139:266-77. 2001
    ..Previous studies of natural tasks have indicated that the parameters of eye and head movements are set by global task constraints...
  34. pmc Hemianopic and quadrantanopic field loss, eye and head movements, and driving
    Joanne M Wood
    School of Optometry, Queensland University of Technology, Brisbane, Australia
    Invest Ophthalmol Vis Sci 52:1220-5. 2011
    To compare eye and head movements, lane keeping, and vehicle control of drivers with hemianopic and quadrantanopic field defects with controls, and to identify differences in these parameters between hemianopic and quadrantanopic drivers ..
  35. pmc Head movements of children in MEG: quantification, effects on source estimation, and compensation
    Daniel T Wehner
    MGH MIT HMS Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA 02129, USA
    Neuroimage 40:541-50. 2008
    b>Head movements during magnetoencephalography (MEG) recordings may lead to inaccurate localization of brain activity. This can be particularly problematic for studies with children...
  36. ncbi Using double-magnetic induction to measure head-unrestrained gaze shifts. I. Theory and validation
    Peter Bremen
    Department of Biophysics, Institute of Neuroscience, Radboud University Nijmegen, Geert Grooteplein 21, 6525 EZ Nijmegen, The Netherlands
    J Neurosci Methods 160:75-84. 2007
    ..The theoretical predictions are tested for horizontal rotations with a gimbal system. Our results show that the method is a promising alternative to the search coil technique...
  37. ncbi Distortions of auditory space during rapid head turns
    Joel Cooper
    Auditory Neuroscience Laboratory, School of Medical Science and Bosch Institute, University of Sydney, Sydney, NSW 2006, Australia
    Exp Brain Res 191:209-19. 2008
    ..The results are interpreted in terms of a 'multiple look' strategy for calculating sound location, and the allocation of attention to the hemisphere containing the head-turn target...
  38. pmc Compression of auditory space during rapid head turns
    Johahn Leung
    Auditory Neuroscience Laboratory, Department of Physiology and Bosch Institute, School of Medical Science, and School of Psychology, University of Sydney, Sydney NSW 2006, Australia
    Proc Natl Acad Sci U S A 105:6492-7. 2008
    ..separate perceptual and behavioral response measures we show that spatial compression also occurs for rapid head movements, with the auditory spatial representation compressing by up to 50%...
  39. ncbi The effect of whole-body tilt on sound lateralization
    Jörg Lewald
    Institut fur Arbeitsphysiologie an der Universitat Dortmund, Ardeystrasse 67, D 44139 Dortmund, Germany
    Eur J Neurosci 16:761-6. 2002
    ..Thus, it might be misleading to use the term 'illusion' for this quite marginal effect...
  40. pmc The relationship of head movements to semicircular canal size in cetaceans
    Benjamin M Kandel
    Department of Otolaryngology, Washington University School of Medicine, St Louis, MO, USA
    J Exp Biol 213:1175-81. 2010
    ..and less flexible necks than those of their ancestors, an adaptation hypothesized to have led to exaggerated head movements during locomotion...
  41. ncbi Persistent neural activity in head direction cells
    Jeffrey S Taube
    Department of Psychological and Brain Sciences, Center for Cognitive Neuroscience, Dartmouth College, 6207 Moore Hall, Hanover, NH 03755, USA
    Cereb Cortex 13:1162-72. 2003
    ..The conditions that any network model must satisfy in order to accurately represent how the nervous system generates this signal are highlighted and areas where key information is missing are discussed...
  42. ncbi The influence of restricted viewing conditions on egocentric distance perception: implications for real and virtual indoor environments
    Sarah H Creem-Regehr
    Department of Psychology, University of Utah, Salt Lake City, UT 84112, USA
    Perception 34:191-204. 2005
    ....
  43. ncbi Vestibuloocular reflex signal modulation during voluntary and passive head movements
    Jefferson E Roy
    Aerospace Medical Research Unit, Department of Physiology, McGill University, Montreal, Quebec H3G 1Y6, Canada
    J Neurophysiol 87:2337-57. 2002
    The vestibuloocular reflex (VOR) effectively stabilizes the visual world on the retina over the wide range of head movements generated during daily activities by producing an eye movement of equal and opposite amplitude to the motion of ..
  44. ncbi Bayesian processing of vestibular information
    Jean Laurens
    Laboratoire de Physiologie de la Perception et de l Action, CNRS UMR 7152, College de France, 11 place M Berthelot, 75005 Paris, France
    Biol Cybern 96:389-404. 2007
    ..We also suggest that this processing is related to the statistics of natural head movements. This would create a perceptual bias in favour of low velocity and acceleration...
  45. ncbi "Look where you're going!": gaze behaviour associated with maintaining and changing the direction of locomotion
    M A Hollands
    Academic Department of Neurootology, Division of Neuroscience and Psychological Medicine, Imperial College School of Medicine, London, UK
    Exp Brain Res 143:221-30. 2002
    ..with the proposal that aligning the head with the desired travel direction through coordinated eye and head movements provides the CNS with an allocentric frame of reference that is used to control the movement of the body in ..
  46. ncbi Ocular vestibular evoked myogenic potentials (OVEMPs) produced by impulsive transmastoid accelerations
    Neil P M Todd
    Faculty of Life Science, University of Manchester, Moffat Building, Manchester, UK
    Clin Neurophysiol 119:1638-51. 2008
    ..We examined extraocular muscle activity associated with impulsive acceleration of the head in the transmastoid plane...
  47. ncbi Selective processing of vestibular reafference during self-generated head motion
    J E Roy
    Aerospace Medical Research Unit, McGill University, Montreal, Quebec, Canada H3G 1Y6
    J Neurosci 21:2131-42. 2001
    ....
  48. ncbi Vibrissal kinematics in 3D: tight coupling of azimuth, elevation, and torsion across different whisking modes
    Per Magne Knutsen
    Department of Neurobiology, The Weizmann Institute of Science, 76100 Rehovot, Israel
    Neuron 59:35-42. 2008
    ..Torsional rotation of the whiskers enables contact information to be mapped onto the circumference of the whisker follicles in a predictable manner across protraction-retraction cycles...
  49. pmc Non-linear vector summation of left and right vestibular signals for human balance
    Brian L Day
    Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London WC1N 3BG, UK
    J Physiol 588:671-82. 2010
    ..The former process improves signal-to-noise and reduces artifactual common-mode changes, while the latter enhances responses to small signals, all critical for detecting the small head movements needed to control human balance.
  50. ncbi Right-left asymmetries in the whisking behavior of rats anticipate head movements
    R Blythe Towal
    Department of Biomedical Engineering, Northwestern University, Evanston, Illinois 60208 3107, USA
    J Neurosci 26:8838-46. 2006
    ..of the world would seem to require that rats adjust the bilateral symmetry of whisker movements in response to head movements. The present study used high-speed videography to reveal dramatic bilateral asymmetries and asynchronies in ..
  51. ncbi Variability in velocity profiles during free-air whisking behavior of unrestrained rats
    R Blythe Towal
    Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208 3107, USA
    J Neurophysiol 100:740-52. 2008
    ..We discuss the implications of these results for the control of whisker motion, horizontal object localization, and processing in the thalamus and cortex of the rat vibrissal system...
  52. ncbi Angular velocity and head direction signals recorded from the dorsal tegmental nucleus of gudden in the rat: implications for path integration in the head direction cell circuit
    P E Sharp
    Department of Biomedical Sciences, University of Illinois, College of Medicine at Rockford, USA
    Behav Neurosci 115:571-88. 2001
    ..It is thought that these cells rely, in part, on angular path integration of the rat's head movements. This integration requires that the HD cell system receive information about angular head movements and that ..
  53. ncbi Resolution of sensory ambiguities for gaze stabilization requires a second neural integrator
    Andrea M Green
    Department of Anatomy and Neurobiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
    J Neurosci 23:9265-75. 2003
    ..network is to temporally integrate semicircular canal signals, so that they may be used to extract translation information from ambiguous otolith afferent signals in the natural and functionally relevant bandwidth of head movements.
  54. ncbi Human eye-head coordination in two dimensions under different sensorimotor conditions
    H H Goossens
    Department of Medical Physics and Biophysics, University of Nijmegen, The Netherlands
    Exp Brain Res 114:542-60. 1997
    The coordination between eye and head movements during a rapid orienting gaze shift has been investigated mainly when subjects made horizontal movements towards visual targets with the eyes starting at the centre of the orbit...
  55. pmc The human sound-evoked vestibulo-ocular reflex and its electromyographic correlate
    Miriam S Welgampola
    Institute of Clinical Neurosciences, Royal Prince Alfred Hospital, Missenden Road, Camperdown, Sydney, NSW 2050, Australia
    Clin Neurophysiol 120:158-66. 2009
    ..We examined their relationship by measuring the modulation of both responses by gaze and stimulus parameters...
  56. ncbi Semicircular canal afferents similarly encode active and passive head-on-body rotations: implications for the role of vestibular efference
    Kathleen E Cullen
    Aerospace Medical Research Unit, Department of Physiology, McGill University, Montreal, Quebec, Canada H3G 1Y6
    J Neurosci 22:RC226. 2002
    ..One commonly held notion is that efferent activation during large-amplitude, active head movements would result in an increase in the resting discharge rate and in a reduction of the rotational sensitivity of ..
  57. ncbi Emergence of neural integration in the head-direction system by visual supervision
    R H R Hahnloser
    Bell Labs 1C 456, Lucent Technologies, 600 Mountain Avenue, Murray Hill, NJ 07974, USA
    Neuroscience 120:877-91. 2003
    ..We simulate random head movements of a rat, during which neurons receive both visual and vestibular (head-velocity) inputs...
  58. pmc Virtual head rotation reveals a process of route reconstruction from human vestibular signals
    Brian L Day
    MRC Human Movement Group, Sobell Department of Motor Neuroscience, Institute of Neurology, University College London, UK
    J Physiol 567:591-7. 2005
    ..This computation yields the signal of body rotation in the horizontal plane that feeds our perception of the route travelled...
  59. ncbi Response of vestibular-nerve afferents to active and passive rotations under normal conditions and after unilateral labyrinthectomy
    Soroush G Sadeghi
    Department of Physiology, McGill University, 3655 Sir William Osler, Montreal, Quebec H3G 1Y6, Canada
    J Neurophysiol 97:1503-14. 2007
    ..Sensitivities to nonvestibular inputs were tested by: 1) comparing responses during active and passive head movements, 2) rotating the body with the head held stationary to activate neck proprioceptors, and 3) encouraging head-..
  60. ncbi Human eye-head co-ordination in natural exploration
    Wolfgang Einhäuser
    Institute of Computational Science, ETH Zurich, Switzerland
    Network 18:267-97. 2007
    ..behavior in natural environments? We used an innovative technique to simultaneously record gaze and head movements in humans, who freely explored various environments (forest, train station, apartment)...
  61. ncbi Haptic object localization in the vibrissal system: behavior and performance
    Per Magne Knutsen
    Department of Neurobiology, The Weizmann Institute of Science, 76100 Rehovot, Israel
    J Neurosci 26:8451-64. 2006
    ....
  62. ncbi Physiology and pathology of eye-head coordination
    Frank Antony Proudlock
    Ophthalmology Group, RKCSB, Leicester Royal Infirmary, University Hospitals of Leicester, University of Leicester, Leicester, UK
    Prog Retin Eye Res 26:486-515. 2007
    ..We provide evidence for this based on changes in eye-head coordination dependant on the context and expectation of presented visual stimuli, as well as from changes in eye-head coordination caused by frontal lobe dysfunction...
  63. ncbi Vestibular evoked myogenic potentials evoked by brief interaural head acceleration: properties and possible origin
    Sally M Rosengren
    Prince of Wales Clinical School and Medical Research Institute, University of New South Wales, Sydney, New South Wales, Australia
    J Appl Physiol (1985) 107:841-52. 2009
    ..Consistent with this, we found that VEMPs are very sensitive to the direction of head acceleration and have features consistent with the utriculocollic projections demonstrated in animals...
  64. ncbi Reference frames and haptic perception of orientation: body and head tilt effects on the oblique effect
    M Luyat
    University Charles de Gaulle, Villeneuve d Ascq, France
    Percept Psychophys 63:541-54. 2001
    ....
  65. ncbi Path integration of head direction: updating a packet of neural activity at the correct speed using neuronal time constants
    D M Walters
    Department of Experimental Psychology, Oxford Centre for Theoretical Neuroscience and Artificial Intelligence, Oxford OX1 3UD, UK
    Biol Cybern 103:21-41. 2010
    ..The proposed model could be extended to path integration of place in the environment, and path integration of spatial view...
  66. ncbi The sensitivity and specificity of the Timed "Up & Go" and the Dynamic Gait Index for self-reported falls in persons with vestibular disorders
    Susan L Whitney
    Department of Physical Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh, 6035 Forbes Tower, Pittsburgh, PA 15260, USA
    J Vestib Res 14:397-409. 2004
    ..Slower scores on the TUG (> 11.1 seconds) and lower scores on the DGI (18) correlated with reports of falls in persons with vestibular dysfunction...
  67. ncbi Voluntary head movement and allocentric perception of space
    Mark Wexler
    CNRS College de France, Paris, France
    Psychol Sci 14:340-6. 2003
    ..spatial criteria relative to an allocentric frame of reference when they are executing voluntary head movements than while they are undergoing similar involuntary displacements (which lead to a more egocentric bias)...
  68. ncbi Prospective real-time slice-by-slice motion correction for fMRI in freely moving subjects
    O Speck
    Medical Physics, Department of Diagnostic Radiology, University Hospital Freiburg, Hugstetterstr 55, 79106, Freiburg, Germany
    MAGMA 19:55-61. 2006
    ..With significant motion, only the proposed approach allowed detection of brain activation. The results show that the new method is superior to image-based correction methods, which fail in the case of fast or excessive motion...
  69. ncbi Perceived self-orientation in allocentric and egocentric space: effects of visual and physical tilt on saccadic and tactile measures
    Michael Barnett-Cowan
    Multisensory Integration Laboratory, Centre for Vision Research, Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario, Canada
    Brain Res 1242:231-43. 2008
    ....
  70. ncbi Motion analysis in cervical dystonia
    Cristina Boccagni
    Department of Rehabilitation, Fondazione Istituto San Raffaele G Giglio, Cefalù PA, Italy
    Neurol Sci 29:375-81. 2008
    ..To evaluate kinematic features in cervical dystonia (CD) patients by means of a motion analysis system (Fastrack-Polhemus, Colchester VT, USA)...
  71. pmc A functional link between area MSTd and heading perception based on vestibular signals
    Yong Gu
    Deptartment of Anatomy and Neurobiology, Washington University School of Medicine, 660 South Euclid Avenue, St Louis, Missouri 63110, USA
    Nat Neurosci 10:1038-47. 2007
    ..This study provides evidence that links single-unit activity to spatial perception mediated by vestibular signals, and supports the idea that the role of MSTd in self-motion perception extends beyond optic flow processing...
  72. ncbi Recovery of dynamic visual acuity in bilateral vestibular hypofunction
    Susan J Herdman
    Department of Rehabilitation Medicine, Emory University, Atlanta, GA 30322, USA
    Arch Otolaryngol Head Neck Surg 133:383-9. 2007
    ..To determine the effect of vestibular exercises on the recovery of visual acuity during head movement in patients with bilateral vestibular hypofunction (BVH)...
  73. ncbi Dynamic sound localization during rapid eye-head gaze shifts
    Joyce Vliegen
    Department of Medical Physics and Biophysics, Institute for Neuroscience, Radboud University Nijmegen, 6525 EZ Nijmegen, The Netherlands
    J Neurosci 24:9291-302. 2004
    ..However, to create a stable and accurate representation of sounds despite intervening head movements, the acoustic input should be continuously combined with feedback signals about changes in head orientation...
  74. ncbi Vestibular gaze stabilization: different behavioral strategies for arboreal and terrestrial avians
    Asim Haque
    Deptartment of Anatomy and Neurobiology, Washington University School of Medicine, Campus Box 8108, 660 S Euclid, St Louis, MO 63110, USA
    J Neurophysiol 93:1165-73. 2005
    In birds, it is thought that head movements play a major role in the reflexive stabilization of gaze and vision...
  75. ncbi Amplitude of human head movements associated with horizontal saccades
    J S Stahl
    Department of Neurology, Case Western Reserve University and Cleveland Veterans Affairs Medical Center, OH 44106, USA
    Exp Brain Res 126:41-54. 1999
    Human saccades may or may not be associated with head movements. To date, little attention has been devoted to the mechanisms determining head movement recruitment and scaling...
  76. ncbi An algorithm for estimating acceleration magnitude and impact location using multiple nonorthogonal single-axis accelerometers
    Joseph J Crisco
    Department of Orthopaedics, Brown Medical School Rhode Island Hospital, Providence, RI, USA
    J Biomech Eng 126:849-54. 2004
    ..A 10% error in magnitude and a 10 deg error in impact location were achieved using as few as six single-axis accelerometers mounted on a hemispherical headform...
  77. ncbi Amplitudes of head movements during putative eye-only saccades
    Brian S Oommen
    Department of Neurology, Louis Stokes Cleveland Department of Veterans Affairs Medical Center and Case Western Reserve University, University Hospitals of Cleveland, 11100 Euclid Avenue, OH 44106, USA
    Brain Res 1065:68-78. 2005
    ..of the subjects, these distributions indicated the presence of a population of minor ("residual") head movements during eye-only saccades, distinct from the continuum of head movements generated during frank eye-head ..
  78. ncbi Calibration of the head direction network: a role for symmetric angular head velocity cells
    Peter Stratton
    School of Information Technology and Electrical Engineering, The University of Queensland, Queensland, Brisbane, Australia
    J Comput Neurosci 28:527-38. 2010
    ....
  79. ncbi Handheld cellular phones restrict head movements and range of visual regard
    Zachary C Thumser
    Louis Stokes Cleveland, Dept of Veterans Affairs Medical Center, Cleveland, OH, USA
    Hum Mov Sci 32:1-8. 2013
    ..Horizontal eye movements are often coordinated with head movements, particularly when the amplitude of the gaze shift is large...
  80. ncbi Head acceleration is less than 10 percent of helmet acceleration in football impacts
    Sarah Manoogian
    Virginia Tech Wake Forest, Center for Injury Biomechanics, Blacksburg, VA, USA
    Biomed Sci Instrum 42:383-8. 2006
    ..Specifically, head acceleration is less than 10 percent of helmet acceleration in football impacts; moreover, the HIT System is able to accurately measure the head acceleration...
  81. pmc Galvanic stimulation of the vestibular periphery in guinea pigs during passive whole body rotation and self-generated head movement
    N Shanidze
    Department of Otolaryngology, University of Michigan, Ann Arbor, MI, USA
    J Neurophysiol 107:2260-70. 2012
    ..Both inhibitory and excitatory GVS had significant effects on compensatory head movements during sinusoidal and transient whole body rotations...
  82. ncbi On the barn owl's visual pre-attack behavior: I. Structure of head movements and motion patterns
    Shay Ohayon
    Institute of Biology II, RWTH University, Kopernikusstrasse 16, 52074 Aachen, Germany
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 192:927-40. 2006
    Barn owls exhibit a rich repertoire of head movements before taking off for prey capture. These movements occur mainly at light levels that allow for the visual detection of prey...
  83. pmc Differential influence of attention on gaze and head movements
    Aarlenne Z Khan
    The Smith Kettlewell Eye Research Institute, San Francisco, CA, USA
    J Neurophysiol 101:198-206. 2009
    ..We asked whether attention influences head movements in combined eye-head gaze shifts and, if so, whether this influence is different for the eye and head ..
  84. pmc Choice reaction times for human head rotations are shortened by startling acoustic stimuli, irrespective of stimulus direction
    Lars B Oude Nijhuis
    Department of Neurology, Radboud University Nijmegen Medical Centre, 935, PO Box 9101, 6500 HB Nijmegen, The Netherlands
    J Physiol 584:97-109. 2007
    ....
  85. ncbi Midbrain control of three-dimensional head orientation
    Eliana M Klier
    CIHR Group for Action and Perception, York Centre for Vision Research and Department of Psychology, York University, Toronto, Ontario M3J 1P3, Canada
    Science 295:1314-6. 2002
    ..We suggest that a bilateral imbalance in this structure, through either direct damage or inappropriate input, could be one of the mechanisms underlying torticollis...
  86. pmc Undirected head movements of listeners with asymmetrical hearing impairment during a speech-in-noise task
    W Owen Brimijoin
    MRC Institute of Hearing Research Scottish Section, Glasgow Royal Infirmary, 16 Alexandra Parade, Glasgow G31 2ER, UK
    Hear Res 283:162-8. 2012
    ..listeners use in a speech comprehension task, we used an infrared motion-tracking system to measure the head movements of 36 listeners with large (>16 dB) differences in hearing threshold between their left and right ears...
  87. ncbi Predicting vestibular, proprioceptive, and biomechanical control strategies in normal and pathological head movements
    G C Peng
    Johns Hopkins University, Department of Neurology, Baltimore, MD 21287, USA
    IEEE Trans Biomed Eng 46:1269-80. 1999
    ..mathematical expressions for these neck reflexes and incorporated them into a model of horizontal plane head movements. The formalism of this neuromechanical model allowed us to examine separately the main components of head ..
  88. ncbi The role of eye and head movements in detecting information about fly balls
    Raoul M Bongers
    Institute for Fundamental and Clinical Human Movement Sciences, Vrije Universiteit, Amsterdam, The Netherlands
    J Exp Psychol Hum Percept Perform 34:1515-23. 2008
    ..F. Michaels, F. C. Bakker, & K. Davids, 1999). This raised the question of whether constraining eye and head movements of experienced baseball players by having them wear eye-movement-preventing goggles (eye movements would lead ..
  89. ncbi Compatibility between tones, head movements, and facial expressions
    Gernot Horstmann
    Department of Psychology, Bielefeld University, P O Box 100 131, D 33501 Bielefeld, Germany
    Emotion 11:975-80. 2011
    ..whether relative pitch automatically activates facial expressions of happiness and anger as well as vertical head movements. Results show robust congruency effects: happiness expressions and upward head tilts are imitated faster when ..
  90. pmc Neural correlates of multisensory cue integration in macaque MSTd
    Yong Gu
    Department of Anatomy and Neurobiology, Washington University School of Medicine, 660 South Euclid Avenue, St Louis, Missouri 63110, USA
    Nat Neurosci 11:1201-10. 2008
    ..These findings show that perceptual cue integration occurs in nonhuman primates and identify a population of neurons that may form its neural basis...
  91. ncbi Test-retest reliability of cervicocephalic relocation test to neutral head position
    Nicolas Pinsault
    Laboratoire TIMC IMAG, UMR UJF CNRS 5525, Grenoble, France
    Physiother Theory Pract 24:380-91. 2008
    ..39 to 0.78 and from 0.44 to 0.78, for absolute and variable errors, respectively)...
  92. pmc Target modality determines eye-head coordination in nonhuman primates: implications for gaze control
    Luis C Populin
    Department of Neuroscience, University of Wisconsin Madison, Madison, Wisconsin, USA
    J Neurophysiol 106:2000-11. 2011
    ..The data show that eye and head movements are coordinated differently to generate gaze shifts to acoustic targets...
  93. pmc A method for removal of low frequency components associated with head movements from dual-axis swallowing accelerometry signals
    Ervin Sejdic
    Department of Electrical and Computer Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
    PLoS ONE 7:e33464. 2012
    b>Head movements can greatly affect swallowing accelerometry signals. In this paper, we implement a spline-based approach to remove low frequency components associated with these motions...
  94. ncbi Absence of spatial updating when the visuomotor system is unsure about stimulus motion
    Denise C P B M Van Barneveld
    Radboud University Nijmegen, Donders Institute for Brain, Cognition, and Behaviour, Department of Biophysics, 6525 EZ Nijmegen, The Netherlands
    J Neurosci 31:10558-68. 2011
    ..For the shortest stimuli, however, the target was kept in retinocentric coordinates, thus ignoring intervening nystagmus and passive head displacement, regardless of whether the target was moving with the head or not...
  95. ncbi Head-unrestrained gaze shifts after muscimol injection in the caudal fastigial nucleus of the monkey
    Julie Quinet
    Unité 534, Institut National de la Santé et de la Recherche Médicale Université Claude Bernard Lyon, France
    J Neurophysiol 98:3269-83. 2007
    ..to eye saccades, the amplitude and peak velocity of which were enhanced, the amplitude and peak velocity of head movements were reduced during ipsilesional gaze shifts...
  96. ncbi Adaptation of the VOR in patients with low VOR gains
    E Viirre
    Division of Otolaryngology, UCSD School of Medicine, San Diego, California, USA
    J Vestib Res 8:331-4. 1998
    ..Subjects then performed active head movements as they carried out a visual searching task looking for objects in a panoramic scene...
  97. pmc Modification of compensatory saccades after aVOR gain recovery
    Michael C Schubert
    Department of Otolaryngology Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD 21287 0910, USA
    J Vestib Res 16:285-91. 2006
    ..Our data suggest an inverse, dynamic relationship between the recruitment of CS and the gain of the aVOR...
  98. ncbi Spin-history artifact during functional MRI: potential for adaptive correction
    Sadie E Yancey
    Imaging Research, Sunnybrook Health Sciences Centre, Toronto, Ontario M4N 3M5, Canada and Department of Medical Biophysics, University of Toronto, Ontario M4N 3M5, Canada
    Med Phys 38:4634-46. 2011
    ..Improved quantitative understanding of the MRI signal behavior associated with spin-history artifact would be useful for implementing adaptive correction robustly...
  99. ncbi Head movement evoked by electrical stimulation in the supplementary eye field of the rhesus monkey
    L Longtang Chen
    Department of Otolaryngology, University of Texas Medical Branch, Galveston, 77555, USA
    J Neurophysiol 94:4502-19. 2005
    Although the supplementary eye field (SEF) has been implicated in the control of head movements associated with gaze shifts, there is no direct evidence that SEF plays a role in the generation of head movements independent of gaze...
  100. ncbi Applying double magnetic induction to measure two-dimensional head-unrestrained gaze shifts in human subjects
    Peter Bremen
    Department of Biophysics, Institute for Neuroscience, Radboud University Nijmegen, Geert Grooteplein 21, 6525 EZ, Nijmegen, The Netherlands
    J Neurophysiol 98:3759-69. 2007
    ..2 deg for the SSC technique. The DMI method is an especially good alternative in the case of patient and laboratory animal gaze control studies where breakage of the SSC lead wires is particularly cumbersome...
  101. pmc The attenuation of perceived motion smear during combined eye and head movements
    Jianliang Tong
    College of Optometry, University of Houston, Houston, TX 77204 2020, USA
    Vision Res 46:4387-97. 2006
    ..The results support the hypothesis that the visual system employs extra-retinal signals that accompany eye and head movements to reduce the perception of motion smear for targets that move physically in the opposite direction of eye and/..

Research Grants65

  1. Structure-function analyses on novel processes of type II vestibular hair cells
    Jennifer S Stone; Fiscal Year: 2013
    ..A major cause of balance disorders is the loss of vestibular hair cells in the inner ear, which convert head movements into electrical signals that are sent to the brain via the vestibular nerve...
  2. Mechanisms of Sensory Regeneration
    Mark Warchol; Fiscal Year: 2013
    ..sensory function of the inner ear relies on mechanoreceptive hair cells, which convert sound vibrations and head movements into electrical signals that are conveyed to the brain...
  3. Hair cell development of zebrafish mutants with defects in the marginal zone
    JONATHAN MATSUI; Fiscal Year: 2010
    DESCRIPTION (provided by applicant): The sensory hair cells of the inner ear detect sound and head movements. In humans and other mammals, hair cells can be lost, leading to permanent auditory and/or balance deficits...
  4. Neuroimaging and Behavioral Biomarkers for ADHD in Children
    Martin H Teicher; Fiscal Year: 2010
    ..The first biomarker emerged from a state-of-the-art non-linear analysis of head movements and positional stability...
  5. Electrical Stimulation to Restore Three Dimensional Vestibular Sensation
    Charles C Della Santina; Fiscal Year: 2012
    ..injury is disabling, with patients suffering disequilibrium and inability to maintain stable vision during head movements typical of daily life...
  6. Vestibular control of head movements
    Natela M Shanidze; Fiscal Year: 2010
    DESCRIPTION (provided by applicant): Eye and head movements must be coordinated to redirect the line of sight ("gaze direction") and to reduce image motion across the retina as the head moves through space...
  7. PHYSIOLOGY OF VESTIBULAR COMPENSATION
    Charles C Della Santina; Fiscal Year: 2013
    ..blurring due to disruption of the vestibulo-ocular reflex (VOR), which normally maintains stable vision during head movements. This disruption is usually followed by impressive but incomplete recovery...
  8. Neural Interactions Among Multiple Motor Structures
    Marc H Schieber; Fiscal Year: 2010
    ..PI), asks how the rostral and caudal regions of the fastigial nucleus interact to coordinate eye and head movements in a continuum of possible combinations during targeted gaze shifts...
  9. VESTIBULAR AND VISUAL CONTROL OF EYE MOVEMENT
    Jennifer L Raymond; Fiscal Year: 2013
    ..that reduces motion of visual images on the retina by evoking eye movements in the opposite direction to head movements. A form of motor learning, known as VOR adaptation, calibrates the VOR by gradually correcting the reflex when ..
  10. NEURAL CONTROL OF VISUAL-VESTIBULAR BEHAVIOR
    Michael J Mustari; Fiscal Year: 2013
    ..Visual image stability is preserved during head movements by the compensatory action of the vestibular ocular (VOR) and optokinetic reflexes (OKR)...
  11. Behavioral and physiological studies of sound localization
    Tom C T Yin; Fiscal Year: 2013
    ..the auditory world just like the vestibulo-ocular reflex stabilizes images on the retina in the presence of head movements. The final aim will study the circuitry that moves the pinna as a model motor system and compare it with the ..
  12. Precision Targeting of fMRI-Guided TMS Using a Robotic Arm System
    Bruce Luber; Fiscal Year: 2010
    ..Now, robotic technology has removed the necessity for rigid head fixation, and enables real-time tracking of head movements with a robotic arm that moves the coil in tandem with the subject's head...
  13. Neural Activity in Guinea Pig Vestibular Nuclei During Volitional Head Movements
    William M King; Fiscal Year: 2013
    DESCRIPTION (provided by applicant): Voluntary rapid eye and head movements are used to shift gaze in space...
  14. Neural Basis of Self-Motion Perception
    Dora Angelaki; Fiscal Year: 2013
    ..of fundamental significance: how does sensory reafference help maintain perceptual stability during eye and head movements? For example, a rightward eye movement adds leftward motion to the retinal image...
  15. Evaluation and Integration of an Automatic Fall Prediction System
    William D Kearns; Fiscal Year: 2010
    ..two legged stances and by requiring participants to walk while performing simultaneous tasks such as rhythmic head movements. The SGB measures selected are the most predictive of falls...
  16. Vestibulo-spinal influences on reflex performance
    GREG GDOWSKI; Fiscal Year: 2009
    ..We hypothesize that these two distinct VS populations are important in controlling both reflexive head movements and reflexive gaze shifts (combined eye and head)...
  17. VISUAL FIELD EXPANSION THROUGH INNOVATIVE MULTIPLEXING PRISM DESIGN
    Eli Peli; Fiscal Year: 2013
    ..It also permits fitting the prisms closer to the central field, as even with occasional encroachment, due to head movements, foveal vision is not completely blocked...
  18. Head Tracking Hearing Aid for Automatic Source Switching
    PAUL L GIBSON; Fiscal Year: 2013
    ..applicant): Advanced Medical Electronics proposes to develop an advanced wireless hearing aid that tracks user head movements and provides automatic audio source switching based on user focus...
  19. Multichannel Vestibular Prosthesis Pilot Early Feasibility Trial
    Charles C Della Santina; Fiscal Year: 2013
    ..suffering chronic disequilibrium, increased risk of falls, and inability to maintain stable vision during head movements typical of daily life...
  20. Neural Basis of Gaze Shifts
    Neeraj J Gandhi; Fiscal Year: 2011
    ..The long- term objective of the research program is to understand the coordinated eye-head movements that produce a change in the line of sight (gaze)...
  21. MR-assisted PET data optimization for neuroimaging studies
    Ciprian Catana; Fiscal Year: 2013
    ..the detectors;motion correction has to be applied to avoid the degradation of the images due to involuntary head movements;partial volume effect correction is required due to the relatively limited spatial resolution;the radiotracer ..
  22. Sensory Integration for Heading Perception
    Gregory C DeAngelis; Fiscal Year: 2013
    ..However, optic flow is contaminated by our own eye and head movements, as well as motion of objects in the world...
  23. Vestibular Compensation During Volitional Head Movements
    SHAWN NEWLANDS; Fiscal Year: 2004
    ..These studies demonstrated that a monkey is able to utilize efference copies of neural signals that encode head movements and/or cervical or visual feedback to facilitate behavioral compensation during natural, unrestrained head ..
  24. PHYSIOLOGY OF OCULOMOTOR PREMOTOR PATHWAYS
    Robert McCrea; Fiscal Year: 2007
    ..influential in modifying signal processing in vestibulo-ocular reflex (VOR) pathways during smooth tracking head movements and during near viewing...
  25. PLASTICITY IN THE VESTIBULOOCULAR REFLEXES & PERCEPTION
    SCOTT SEIDMAN; Fiscal Year: 2003
    The vestibular system serves to maintain orientational, postural, and visual stability during head movements. The vestibulo ocular reflex (VOR) is an important vestibular mechanism that rotates the eyes to maintain binocular fixation on a ..
  26. Sensory Coding Among Semicircular Canal Afferent Neurons
    LARRY HOFFMAN; Fiscal Year: 2004
    DESCRIPTION:(provided by applicant) The present investigation is dedicated to elucidating how head movements are encoded in the discharge characteristics of primary afferent neurons innervating the semicircular canal cristae of the ..
  27. VIEWING DISTANCE AND COMPENSATORY MOVEMENTS IN FALLS
    GEOFFREY BUSH; Fiscal Year: 2001
    ..The proposed studies will examine the compensatory eye and head movements in "head-free" primates exposed to brief vertical translations...
  28. Correlating drug effects on the VOR and motion sickness
    Phillip Kramer; Fiscal Year: 2004
    ..The subjects will make head movements while rotating at 120 deg/sec until they have reached a predetermined level of motion sickness defined by the ..
  29. MORPHOPHYSIOLOGICAL ANALYSIS OF VESTIBULAR NEURONS
    ADRIAN PERACHIO; Fiscal Year: 2001
    The maintenance of clear vision during head movements relies on a significant contribution from signals arising int he vestibular labyrinth that are used to provide information on head acceleration and head orientation with respect to the ..
  30. VESTIBULAR NUCLEUS ACTIVITY IN VESTIBULAR COMPENSATION
    SHAWN NEWLANDS; Fiscal Year: 2003
    ..as in the intact animal; and (3) the animal is able to utilize efference copies of neural signals which encode head movements and/or cervical feedback to facilitate behavioral compensation during natural, unrestrained head movements...
  31. INFORMATION CHANNELS IN THE VESTIBULAR NERVE
    ELLENGENE PETERSON; Fiscal Year: 2000
    DESCRIPTION: The proposed research deals with the control of head movements by the vestibular system...
  32. NEURAL CONTROL OF GOAL DIRECTED HEAD MOVEMENT
    ERIC KNUDSEN; Fiscal Year: 1992
    Brain mechanisms that program head movements will be studied in the barn owl as a model system for understanding principles of motor system organization and sensorimotor integration...
  33. CLINICAL PREDICTORS FOR SUCCESSFUL VISUAL REHABILITATION
    FRANKLIN PORTER; Fiscal Year: 1992
    ..Failure is thought to be due to excessive loss of visual acuity during involuntary head movements present in everyday life...
  34. Electrical Stimulation to Restore Vestibular Function
    CHARLES DELLA SANTINA; Fiscal Year: 2007
    ..is a common cause of significant disability due to disequilibrium and inability to stabilize gaze during head movements. Although some patients with bilateral vestibular dysfunction are able to compensate through physical ..
  35. Eye Movement Control-Role of Brain Stem Neurons
    John Maunsell; Fiscal Year: 2005
    ..of neurons in the tecto-recipient regions of pontomedullary reticular formation during coordinated eye-head movements and during head movements in the absence of a gaze shift; and 2) to study the effects of microstimulation of ..
  36. Real Time Motion correction for Brain MRI
    Truman Brown; Fiscal Year: 2009
    ..Our research will let MRI better serve these patients by allowing accurate data to be collected even when head movements occur during scanning...
  37. PROCESSING OF INFORMATION BY THE VESTIBULOSPINAL SYSTEM
    ROBERT SCHOR; Fiscal Year: 1993
    ..This research is designed to explore (a) how, during normal head movements, the various sensory signals coming from the labyrinth encode the spatial and temporal properties of the head ..
  38. SYNAPTIC ORGANIZATION IN THE SUPERIOR COLLICULUS
    Mary Behan; Fiscal Year: 1993
    ..in the integration of visual, auditory and somatosensory information, and the subsequent generation of eye and head movements. Despite the accumulated evidence for this role, surprisingly little is known about the intrinsic organization ..
  39. THREE DIMENSIONAL ORGANIZATION OF THE OCULOMOTOR SYSTEM
    Dora Angelaki; Fiscal Year: 1999
    The vestibulo-ocular system serves to maintain gaze stability during head movements. Trauma to the system, or disease states such as gaze palsies or ophthalmoplegia can produce oculomotor deficits that are disorienting and sometimes ..
  40. Efferent Vestibular Mechanisms
    MEIR PLOTNIK PELEG; Fiscal Year: 2003
    The sense of balance utilizes input from the vestibular end organs, indicating head movements and positions. While thousands of afferent nerve fibers transmit the information from the periphery to the central nervous system,...
  41. PHYSIOLOGY & ADAPTIVE CONTROL OF OTOLITH/OCULAR REFLEXES
    Richard Clendaniel; Fiscal Year: 2001
    Vestibulo-ocular reflexes (VORs) are responsible for maintaining stability of images on the retina during head movements. Many of the behavioral features and neurophysiological mechanisms underlying control of angular VORs have been ..
  42. REHABILITATION PARADIGMS FOR CHRONIC VERTIGO
    Helen Cohen; Fiscal Year: 1999
    ..The home program will include repetitive pitch, roll, and yaw head movements; the attention will be a weekly telephone call...
  43. Visual Feedback Goggle for Positional Vertigo Treatment
    PHILIP ANTHONY; Fiscal Year: 2006
    ..BPPV is easily treated with the Epley maneuver, or canalith repositioning maneuver, a sequence of head movements that work with gravity to allow the canaliths to move from the posterior semicircular canal back to the ..
  44. Ontogeny of spatial coding in the mouse utricle
    Timothy Jones; Fiscal Year: 2005
    ..detect, encode and send to the brain information about head position as well as the magnitude and direction of head movements in relation to Earth's gravitational field...
  45. TWO OPTOKINETIC SYSTEMS
    JOSHUA WALLMAN; Fiscal Year: 1990
    ..We propose to use head movements as a probe for the processing of visual motion information whereby translational and rotational components are ..
  46. Tracking Head Motion and Orientation in VOR Testing
    B Parker; Fiscal Year: 2004
    ..are insufficient because they fail to take into consideration the effect of otolithic coupling during off-axis head movements - i.e., in the case of not purely horizontal (yawing) or vertical (pitching) head movements...
  47. SENSORIMOTOR INTEGRATION IN SPATIAL ORIENTATION
    GARY PAIGE; Fiscal Year: 2003
    ..Examples include coordinated eye and head movements that acquire and hold fixation on targets of interest, and guided hand movements that allow us to accurately ..
  48. ROLE OF THE INFERIOR OLIVE IN VOR ADAPTATION
    Farrel Robinson; Fiscal Year: 1993
    The vestibuloocular reflex (VOR) maintains clear vision during head movements. In development and aging, as well as in response to insult, the VOR must be continuously adjusted to promote clear vision...
  49. Compensatory Mechanisms Following Vestibular Loss
    Richard Clendaniel; Fiscal Year: 2007
    ..first aim of the study is to determine the mechanism(s) responsible for improvements in gaze stability during head movements following unilateral vestibular loss...
  50. Online MRI Positioning and Real-Time Motion Correction
    Andre van der Kouwe; Fiscal Year: 2004
    ..such as children, older subjects and subjects with movement disorders such as Parkinson's disease, where head movements in the scanner frequently preclude successful scanning and confound an accurate diagnosis...
  51. VOR adaptation/utility of saccades as rehab strategies
    Michael Schubert; Fiscal Year: 2008
    ..This is important for the long-term goals of this project, which are to determine the adaptive preferences that individuals with vestibular loss use to improve gaze stability. ..
  52. Prevention of Neck Injuries in Older Adults During Rear Motor Vehicle Collsions
    PAUL IVANCIC; Fiscal Year: 2009
    ..The proposed project will provide important research-based data that may form the basis for future safety standards and help to decrease the frequency and severity of neck injuries in older adults, thus benefiting society. ..
  53. NEURAL BASIS OF SPATIAL COGNITION
    JEFFREY TAUBE; Fiscal Year: 2003
    ..Learning how spatial information is processed in the rat brain will give us clues about the complex nature of spatial processes in humans. ..
  54. VESTIBULAR AFFERENT ACTIVITY AFTER CANAL PLUGGING
    Sergei Yakushin; Fiscal Year: 2002
    ..This work should lead to a clearer understanding of how lesions, such as plugging and nerve section, affect the sensory processing of head movements and how the central vestibular system adapts to these types of lesions.
  55. NEURAL MECHANISMS OF DIRECTIONAL ORIENTATION
    JEFFREY TAUBE; Fiscal Year: 2004
    ....
  56. Long-term Ambulatory Gait Monitor for Parkinson's Disease
    Steven Moore; Fiscal Year: 2007
    ..unreadable] [unreadable] [unreadable]..
  57. VESTIBULAR INFLUENCES ON SPATIAL ORIENTATION
    Richard Lewis; Fiscal Year: 2008
    ..abstract_text> ..
  58. Brainstem control of visual orienting
    Edward G Freedman; Fiscal Year: 2010
    ..The neural control of coordinated eye-head movements is an experimental system that has provided significant insights into the neural mechanisms mediating visual ..
  59. Galvanic Effects on the Human Vestibuloocular Reflex
    Americo Migliaccio; Fiscal Year: 2007
    ..unreadable] [unreadable]..
  60. Interaction torques in voluntary turning and reaching
    James R Lackner; Fiscal Year: 2010
    ..The experimental findings and analyses will provide a comprehensive evaluation of the role of feedforward predictive mechanisms in the control of reaching movements involving body rotation. ..
  61. Vestibulocerebellar function in channelopathy mutants
    John Stahl; Fiscal Year: 2004
    The cerebellum is a critical component of the neural circuitry that stabilizes the eyes during head movements, and disorders of the cerebellum uniformly degrade vision...
  62. OCULOMOTOR SYSTEM AND BODY POSTURAL MECHANISMS
    Bernard Cohen; Fiscal Year: 2009
    ..abstract_text> ..
  63. MULTISENSORY PROCESSING IN THE BEHAVING PREPARATION
    Luis C Populin; Fiscal Year: 2010
    ....
  64. 2005 (Oculomotor System Biology) Gordon Conference
    Neeraj Gandhi; Fiscal Year: 2005
    ..Hence, we seek to bring together ideas and investigators that are not often at the same venue. ..
  65. 2007 Oculomotor System Biology Gordon Research Conference
    Neeraj Gandhi; Fiscal Year: 2007
    ..Other disorders such as congenital fibrosis can also alter mechanistic properties of the extraocular muscle itself. Hence, the oculomotor system is of immense relevance to health. [unreadable] [unreadable] [unreadable] [unreadable]..