Genomes and Genes
Summary: Voluntary or involuntary motion of head that may be relative to or independent of body; includes animals and humans.
Publications292 found, 100 shown here
- Vibrissa-based object localization in head-fixed miceDaniel 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...
- Bmp4 is essential for the formation of the vestibular apparatus that detects angular head movementsWeise Chang
National Institute on Deafness and Other Communication Disorders, NIH, Rockville, Maryland, United States of America
PLoS Genet 4:e1000050. 2008Angular head movements in vertebrates are detected by the three semicircular canals of the inner ear and their associated sensory tissues, the cristae...
- Precision and accuracy of the subjective haptic vertical in the roll planeJeanine 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 )...
- Temporal processing of active and passive head movementMichael 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...
- Perceived timing of vestibular stimulation relative to touch, light and soundMichael 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...
- Head roll dependent variability of subjective visual vertical and ocular counterrollAlexander 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...
- The subjective visual vertical in a nonhuman primateNabil 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...
- Vestibular system: the many facets of a multimodal senseDora 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 ..
- The head direction signal: origins and sensory-motor integrationJeffrey 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...
- The coordination of eye, head, and hand movements in a natural taskJ 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...
- Auditory and visual orienting responses in listeners with and without hearing-impairmentW Owen Brimijoin
MRC Institute of Hearing, Research Scottish Section, Glasgow Royal Infirmary, Glasgow G31 2ER, United Kingdom
J Acoust Soc Am 127:3678-88. 2010b>Head movements are intimately involved in sound localization and may provide information that could aid an impaired auditory system...
- Dynamic visual acuity during passive and self-generated transient head rotation in normal and unilaterally vestibulopathic humansJun 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...
- The role of eye and head movements in detecting information about fly ballsRaoul 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 ..
- Calibration of the head direction network: a role for symmetric angular head velocity cellsPeter Stratton
School of Information Technology and Electrical Engineering, The University of Queensland, Queensland, Brisbane, Australia
J Comput Neurosci 28:527-38. 2010....
- Head movements of children in MEG: quantification, effects on source estimation, and compensationDaniel T Wehner
MGH MIT HMS Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA 02129, USA
Neuroimage 40:541-50. 2008b>Head movements during magnetoencephalography (MEG) recordings may lead to inaccurate localization of brain activity. This can be particularly problematic for studies with children...
- Compatibility between tones, head movements, and facial expressionsGernot 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 ..
- Hemianopic and quadrantanopic field loss, eye and head movements, and drivingJoanne M Wood
School of Optometry, Queensland University of Technology, Brisbane, Australia
Invest Ophthalmol Vis Sci 52:1220-5. 2011To 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 ..
- Role of the lateral mammillary nucleus in the rat head direction circuit: a combined single unit recording and lesion studyH 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...
- Using double-magnetic induction to measure head-unrestrained gaze shifts. I. Theory and validationPeter 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...
- Distortions of auditory space during rapid head turnsJoel 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...
- Compression of auditory space during rapid head turnsJohahn 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%...
- Persistent neural activity in head direction cellsJeffrey 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...
- The effect of whole-body tilt on sound lateralizationJörg 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...
- The relationship of head movements to semicircular canal size in cetaceansBenjamin 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...
- The influence of restricted viewing conditions on egocentric distance perception: implications for real and virtual indoor environmentsSarah H Creem-Regehr
Department of Psychology, University of Utah, Salt Lake City, UT 84112, USA
Perception 34:191-204. 2005....
- Vestibuloocular reflex signal modulation during voluntary and passive head movementsJefferson E Roy
Aerospace Medical Research Unit, Department of Physiology, McGill University, Montreal, Quebec H3G 1Y6, Canada
J Neurophysiol 87:2337-57. 2002The 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 ..
- Right-left asymmetries in the whisking behavior of rats anticipate head movementsR 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 ..
- Variability in velocity profiles during free-air whisking behavior of unrestrained ratsR 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...
- Haptic object localization in the vibrissal system: behavior and performancePer Magne Knutsen
Department of Neurobiology, The Weizmann Institute of Science, 76100 Rehovot, Israel
J Neurosci 26:8451-64. 2006....
- Resolution of sensory ambiguities for gaze stabilization requires a second neural integratorAndrea 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.
- 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 circuitP 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 ..
- Human eye-head coordination in two dimensions under different sensorimotor conditionsH H Goossens
Department of Medical Physics and Biophysics, University of Nijmegen, The Netherlands
Exp Brain Res 114:542-60. 1997The 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...
- Voluntary head movement and allocentric perception of spaceMark 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)...
- Motion analysis in cervical dystoniaCristina 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)...
- Human walking along a curved path. I. Body trajectory, segment orientation and the effect of visionGregoire 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...
- Perceived self-orientation in allocentric and egocentric space: effects of visual and physical tilt on saccadic and tactile measuresMichael 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....
- Prospective real-time slice-by-slice motion correction for fMRI in freely moving subjectsO 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...
- The sensitivity and specificity of the Timed "Up & Go" and the Dynamic Gait Index for self-reported falls in persons with vestibular disordersSusan 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...
- Tracking whisker and head movements in unrestrained behaving rodentsPer Magne Knutsen
Deptartment of Neurobiology, The Weizmann Institute of Science, 76100 Rehovot, Israel
J Neurophysiol 93:2294-301. 2005....
- A functional link between area MSTd and heading perception based on vestibular signalsYong 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...
- Recovery of dynamic visual acuity in bilateral vestibular hypofunctionSusan 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)...
- Dynamic sound localization during rapid eye-head gaze shiftsJoyce 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...
- Head movement evoked by electrical stimulation in the supplementary eye field of the rhesus monkeyL Longtang Chen
Department of Otolaryngology, University of Texas Medical Branch, Galveston, 77555, USA
J Neurophysiol 94:4502-19. 2005Although 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...
- Modification of compensatory saccades after aVOR gain recoveryMichael 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...
- Head-unrestrained gaze shifts after muscimol injection in the caudal fastigial nucleus of the monkeyJulie 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...
- A method for removal of low frequency components associated with head movements from dual-axis swallowing accelerometry signalsErvin Sejdic
Department of Electrical and Computer Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
PLoS ONE 7:e33464. 2012b>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...
- Adaptation of the VOR in patients with low VOR gainsE 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...
- Absence of spatial updating when the visuomotor system is unsure about stimulus motionDenise 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...
- Spin-history artifact during functional MRI: potential for adaptive correctionSadie 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...
- Locomotor head movements and semicircular canal morphology in primatesMichael 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...
- Target modality determines eye-head coordination in nonhuman primates: implications for gaze controlLuis 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...
- Effect of semicircular canal stimulation on the perception of the visual verticalMarousa Pavlou
Academic Department of Neuro Otology, Division of Neuroscience and Psychological Medicine, Faculty of Medicine, Imperial College London, Charing Cross Hospital, London W6 8RF, United Kingdom
J Neurophysiol 90:622-30. 2003....
- Prospective motion correction for magnetic resonance spectroscopy using single camera Retro-Grate reflector optical trackingBrian C Andrews-Shigaki
Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, Honolulu, Hawaii, USA
J Magn Reson Imaging 33:498-504. 2011..To introduce and evaluate a method of prospective motion correction for localized proton magnetic resonance spectroscopy (1H-MRS) using a single-camera optical tracking system...
- Coordinate transformations and sensory integration in the detection of spatial orientation and self-motion: from models to experimentsAndrea M Green
Department de Physiologie, Universite de Montreal, 2960 Chemin de la Tour, Rm 2140, Montreal, QC, Canada H3T 1J4
Prog Brain Res 165:155-80. 2007....
- Combining prospective motion correction and distortion correction for EPI: towards a comprehensive correction of motion and susceptibility-induced artifactsRainer Boegle
Department of Radiology Medical Physics, University Hospital Freiburg, Freiburg, Germany
MAGMA 23:263-73. 2010....
- Saccadic compensation for smooth eye and head movements during head-unrestrained two-dimensional trackingP 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...
- Sleepiness and head movementsJohannes van den Berg
Department of Work and the Physical Environment, National Institute for Working Life, Umea, Sweden
Ind Health 44:564-76. 2006..The relationship between sleepiness and head movements is poorly investigated...
- The attenuation of perceived motion smear during combined eye and head movementsJianliang 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/..
- Cortical control of eye and head movements: integration of movements and perceptsL Longtang Chen
Department of Otolaryngology, University of Texas Medical Branch, Galveston, TX 77555, USA
Eur J Neurosci 25:1253-64. 2007..It remains unclear, however, as to how the eye fields of the frontal lobes generate and coordinate eye and head movements. Here, we review the recent advances in electrical stimulation studies and evaluate relevant models...
- The 2D modified head impulse test: a 2D technique for measuring function in all six semi-circular canalsAmerico A Migliaccio
Neuroscience Research Australia and the University of New South Wales, Sydney, Australia
J Vestib Res 21:227-34. 2011..We conclude that 2D eye measurement techniques, such as video pupil-tracking, can be used to test all six canals...
- Absence of compensation for vestibular-evoked passive head rotations in human sound localizationDenise C P B M Van Barneveld
Radboud University Nijmegen, Donders Institute for Brain, Cognition and Behaviour, Department of Biophysics, Geert Grooteplein 21, Nijmegen, The Netherlands
Eur J Neurosci 34:1149-60. 2011..Indeed, free-field orienting responses fully incorporate intervening eye-head movements under open-loop localization conditions...
- Anticipatory eye movements stabilize gaze during self-generated head movementsW M King
Department of Otolaryngology, Head Neck Surgery, University of Michigan, Ann Arbor, Michigan, USA
Ann N Y Acad Sci 1233:219-25. 2011Visual acuity and motion perception are degraded during head movements unless the eyes counter-rotate so as to stabilize the line of sight and the retinal image...
- Applying double magnetic induction to measure two-dimensional head-unrestrained gaze shifts in human subjectsPeter 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...
- Cortical and subcortical contributions to coordinated eye and head movementsD L Sparks
Division of Neuroscience, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
Vision Res 41:3295-305. 2001..This paper summarizes recent experiments conducted by the authors - experiments that studied the behavioral characteristics of large gaze shifts and the neural bases of coordinated movements of the eyes and head...
- Relationship between time- and frequency-domain analyses of angular head movements in the squirrel monkeyM Armand
Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University, Baltimore, MD 21287-0910, USA
J Comput Neurosci 11:217-39. 2001We used the three-dimensional magnetic search-coil recording technique to study the range of active angular head movements made by squirrel monkeys...
- Prospective real-time correction for arbitrary head motion using active markersMelvyn B Ooi
Department of Biomedical Engineering, Columbia University, New York, New York 10032, USA
Magn Reson Med 62:943-54. 2009..The correction package requires minimal additional hardware and is fully integrated into the standard user interface, promoting transferability to clinical practice...
- Prospective head-movement correction for high-resolution MRI using an in-bore optical tracking systemLei Qin
Advanced MRI, Laboratory of Functional and Molecular Imaging, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892 1065, USA
Magn Reson Med 62:924-34. 2009..Experiments performed on subjects demonstrate robust system performance with translation and rotation accuracies of 0.1 mm and 0.15 degrees, respectively...
- Dissociating self-generated from passively applied head motion: neural mechanisms in the vestibular nucleiJefferson E Roy
Aerospace Medical Research Unit, Department of Physiology, McGill University, Montreal, Quebec, Canada H3G 1Y6
J Neurosci 24:2102-11. 2004..nucleus, which receive direct inputs from vestibular afferent fibers, are responsive to passively applied head movements. However, these same neurons do not reliably encode head velocity resulting from self-generated movements of ..
- Task-specific stabilization of postural coordination during stance on a beamOlivier Oullier
Center for Complex Systems and Brain Sciences, Florida Atlantic University, Boca Raton 33431, USA
Motor Control 8:174-87. 2004..Environment-based and task-based constraints interacted in determining the coordination of hips and ankles during stance...
- Gaze orienting in dynamic visual double stepsJoyce Vliegen
Department of Medical Physics and Biophysics, Radboud University Nijmegen, The Netherlands
J Neurophysiol 94:4300-13. 2005..To maintain spatial accuracy of gaze (i.e., eye in space) despite intervening eye and head movements, the visual input could be combined with dynamic feedback about ongoing gaze shifts...
- The human sound-evoked vestibulo-ocular reflex and its electromyographic correlateMiriam 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...
- Eye-head coordination toward auditory and visual targets in humansD Zambarbieri
Dipartimento di Informatica e Sistemistica, Universita di Pavia, Italy
J Vestib Res 7:251-63. 1997..The experimental findings reported in this paper have been summarized in a model of the gaze control system that makes use of a gaze feedback hypothesis through the central reconstruction of the eye and head positions...
- Postural changes during eye-head movementsJ Fukushima
Department of Health Sciences, Hokkaido University School of Medicine, Sapporo, Japan
Prog Brain Res 171:335-8. 2008We investigated postural sway in young subjects during eye-head movements. Subjects stood on the force plate wearing a helmet on which a laser spot was attached...
- Physiology and pathology of eye-head coordinationFrank 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...
- Neural network simulations of the primate oculomotor system. V. Eye-head gaze shiftsA A Kardamakis
Institute of Applied and Computational Mathematics, FORTH, Heraklion, Crete, Greece
Biol Cybern 102:209-25. 2010..Finally, it shows why units of the saccadic system could appear to carry gaze-related signals even if they do not operate within a gaze control loop and do not receive head-related information...
- Vestibular evoked myogenic potentials evoked by brief interaural head acceleration: properties and possible originSally 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...
- Directional effects on infants and young children in real life: implications for amplificationTeresa Y C Ching
National Acoustic Laboratories, Chatswood, New South Wales, Australia
J Speech Lang Hear Res 52:1241-54. 2009..This study examined the head orientation of young children in naturalistic settings and the acoustics of their everyday environments for quantifying the potential effects of directionality...
- Coordination of the eyes and head during visual orientingEdward G Freedman
University of Rochester Medical Center, Rochester, NY 14642, USA
Exp Brain Res 190:369-87. 2008..recounts features of head-restrained saccadic eye movements, and then describes some of the characteristics of coordinated eye-head movements that have led to development of new hypotheses describing the mechanisms of gaze shift control.
- Head movements during two computer work tasks assessed by accelerometryEva Bernmark
Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
Appl Ergon 42:309-13. 2011..Ten subjects' head movements were registered with a triaxial accelerometer system for two similar document-management tasks at their work ..
- Interactions between eye and head control signals can account for movement kinematicsE G Freedman
Department of Neurobiology and Anatomy, Box 603, University of Rochester, 601 Elmwood Ave, Rochester, NY 14642, USA
Biol Cybern 84:453-62. 2001..This hypothesis is now formalized as a control systems model which accounts for existing data and makes explicit predictions about the neural control of orienting gaze shifts...
- Ocular vestibular evoked myogenic potentials (OVEMPs) produced by impulsive transmastoid accelerationsNeil 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...
- Overlapping gaze shifts reveal timing of an eye-head gateBrian S Oommen
Department of Neurology, Louis Stokes Cleveland Department of Veterans Affairs Medical Center and Case Western Reserve University, 11100 Euclid Avenue, Cleveland, OH 44106, USA
Exp Brain Res 167:276-86. 2005The ability to dissociate eye movements from head movements is essential to animals with foveas and fovea-like retinal specializations, as these species shift the eyes constantly, and moving the head with each gaze shift would be ..
- Human eye-head co-ordination in natural explorationWolfgang 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)...
- Coordination of the eyes and head: movement kinematicsE G Freedman
Department of Neurobiology and Anatomy and Center for Visual Science, University of Rochester, NY 14642, USA
Exp Brain Res 131:22-32. 2000..in the direction of the line of sight (gaze shifts) often involve saccades associated with simultaneous head movements. The metrics (duration, amplitude, peak velocity) and kinematics of saccades occurring in conjunction with ..
- Further evidence for selective difficulty of upward eye pursuit in juvenile monkeys: Effects of optokinetic stimulation, static roll tilt, and active head movementsSatoshi Kasahara
Department of Physiology, Hokkaido University School of Medicine, West 7, North 15, 060 8638, Sapporo, Japan
Exp Brain Res 171:306-21. 2006..moving objects of interest despite visual inputs from the moving background and/or vestibular inputs during head movements. Recently, our laboratory has shown that young primates exhibit asymmetric eye movements during vertical ..
- Horizontal canal benign positional vertigoJeremy Hornibrook
Department of Otolaryngology Head and Neck Surgery, Christchurch Hospital, Christchurch, New Zealand
Ann Otol Rhinol Laryngol 113:721-5. 2004..The mechanism can be canalithiasis or cupulolithiasis. Repositioning treatment is a 360 degrees horizontal head and body rotation that has a high success rate if the symptomatic ear is correctly identified...
- Virtual head rotation reveals a process of route reconstruction from human vestibular signalsBrian 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...
- Neural control of three-dimensional eye and head movementsJ D Crawford
York Center for Vision Research, York University, 4700 Keele Street, Toronto, Ontario, M3J 1P3, Canada
Curr Opin Neurobiol 13:655-62. 2003..Finally, we consider how the brain copes with the perceptual consequences of these motor acts...
- Electrical stimulation of rhesus monkey nucleus reticularis gigantocellularis. I. Characteristics of evoked head movementsStephan Quessy
Department of Neurobiology and Anatomy, University of Rochester, 601 Elmwood Ave, Box 603, NY 14642, Rochester, USA
Exp Brain Res 156:342-56. 2004..of movements evoked by NRG stimulation in the primate reported a variety of ipsilateral and contralateral head movements with horizontal, vertical and torsional components...
- Roles of gravitational cues and efference copy signals in the rotational updating of memory saccadesEliana M Klier
Department of Neurobiology, Box 8108, Washington University School of Medicine, 660 South Euclid Avenue, St Louis, Missouri 63110, USA
J Neurophysiol 94:468-78. 2005..60 to 0.82, indicating poor updating performance. Thus information specifying the body's orientation relative to gravity is critical for maintaining spatial constancy and for distinguishing body-fixed versus world-fixed reference frames...
- "Look where you're going!": gaze behaviour associated with maintaining and changing the direction of locomotionM 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 ..
- Lack of otolith involvement in balance responses evoked by mastoid electrical stimulationOmar S Mian
Sobell Department of Motor Neuroscience and Movement Disorders, University College London Institute of Neurology, Queen Square, London WC1N 3BG, UK
J Physiol 588:4441-51. 2010..We conclude that a net canal signal evoked by GVS contributes to the medium-latency response whilst a net otolith signal does not make a significant contribution to either the short- or medium-latency responses...
- Spatial invariance in anticipatory orienting behaviour during human navigationPascal Prévost
LPPA, College de France, 11 place Marcelin Berthelot, 75005 Paris, France
Neurosci Lett 339:243-7. 2003..The results appear inconsistent with optic flow theories of the guidance of walking direction and might highlight the role of landmarks and/or egocentric direction in anticipatory orienting behaviour...
- Effects of head immobilization on the coordination and control of head and body reorientation and translation during steeringM A Hollands
Neural Control Laboratory, Department of Kinesiology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
Exp Brain Res 140:223-33. 2001..The specific aims of the study were: first, to test the hypothesis that anticipatory head movements towards the new travel path are proactively controlled by the CNS to provide a stable frame of reference for ..
- Distinct roles for eye and head movements in selecting salient image parts during natural explorationWolfgang Einhäuser
Department of Neurophysics, Philipps University, Marburg, Germany
Ann N Y Acad Sci 1164:188-93. 2009..comparing environments with few and many true faces, it was inferred that actual faces are centered by eye and head movements, whereas spurious face detections ("hallucinated faces") are primarily centered by head movements alone...
- Spatial representation in body coordinates: evidence from errors in remembering positions of visual and auditory targets after active eye, head, and body movementsA Kopinska
York University, Toronto, Ontario
Can J Exp Psychol 57:23-37. 2003..The results indicate that both auditory and visual localization use head-on-body information, suggesting a common coding into body coordinates--the only conversion that requires this information...
- Non-linear vector summation of left and right vestibular signals for human balanceBrian 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.
- Eye position determines audiovestibular integration during whole-body rotationDenise C P B M Van Barneveld
Radboud University Nijmegen, Donders Institute for Brain, Cognition and Behaviour, Department of Biophysics, Geert Grooteplein 21, 6525 EZ Nijmegen, The Netherlands
Eur J Neurosci 31:920-30. 2010..We therefore conclude that the vestibular-induced shift in average eye position underlies both the audiogyral illusion and the AMP shift...
- Gaze following in the red-footed tortoise (Geochelone carbonaria)Anna Wilkinson
Department of Cognitive Biology, University of Vienna, Austria
Anim Cogn 13:765-9. 2010..The findings indicate that the ability to follow gaze may be found in mammals, birds and reptiles and could have evolved before the amniotic line diverged, or may result from a general ability to learn...
- Disturbance of predictive response initiation of eye and head movements in cerebellar patientsM Nagel
Department of Psychiatry and Psychotherapy, University of Lubeck, Lubeck, Germany
Eur Neurol 60:179-85. 2008..In this study we investigated the initiation of head movements and saccades during predictable and random target presentation in cerebellar patients...
- Optimal control of gaze shiftsAndreas A Kardamakis
Institute of Applied and Computational Mathematics, Foundation of Research and Technology Hellas, Heraklion 71003, Crete, Greece
J Neurosci 29:7723-30. 2009....
- CONTROL OF EYELIDS IN NORMAL AND PATHOLOGICAL STATESLESLIE EVINGER; Fiscal Year: 1993..For example, smooth pursuit eye movements suppress spontaneous blinking while large saccadic eye or head movements evoke a blink. Blinking also influences gaze...
- Electrical Stimulation to Restore Three Dimensional Vestibular SensationCHARLES DELLA SANTINA; Fiscal Year: 2009..injury is disabling, with patients suffering disequilibrium and inability to maintain stable vision during head movements typical of daily life...
- Neural Mechanisms of Motion SicknessMingjia Dai; Fiscal Year: 2009..The number of rotations subjects make during OVAR or the number of head movements during RWR before reaching intolerable nausea is the measure of motion sickness susceptibility...
- Neural Mechanisms of Motion SicknessMingjia Dai; Fiscal Year: 2010..The number of rotations subjects make during OVAR or the number of head movements during RWR before reaching intolerable nausea is the measure of motion sickness susceptibility...
- Electrical Stimulation to Restore Three Dimensional Vestibular SensationCHARLES DELLA SANTINA; Fiscal Year: 2009..injury is disabling, with patients suffering disequilibrium and inability to maintain stable vision during head movements typical of daily life...
- Electrical Stimulation to Restore Three Dimensional Vestibular SensationCharles C Della Santina; Fiscal Year: 2010..injury is disabling, with patients suffering disequilibrium and inability to maintain stable vision during head movements typical of daily life...
- MORPHOPHYSIOLOGICAL ANALYSIS OF VESTIBULAR NEURONSADRIAN PERACHIO; Fiscal Year: 1993..Vestibular stimulation in the form of purely angular or linear head movements in the vertical and horizontal head planes will be used to test spatial and temporal response properties...
- Vestibular Compensation During Volitional Head MovementsSHAWN 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 ..
- PHYSIOLOGY OF OCULOMOTOR PREMOTOR PATHWAYSRobert McCrea; Fiscal Year: 2007..influential in modifying signal processing in vestibulo-ocular reflex (VOR) pathways during smooth tracking head movements and during near viewing...
- PHYSIOLOGY OF VESTIBULAR COMPENSATIONLloyd Minor; Fiscal Year: 2007..results in asymmetries in the angular vestibuloocular reflex (VOR) evoked by high-frequency, high-acceleration head movements. Studies during the previous funding period have elucidated linear and nonlinear components of the angular VOR ..
- PHYSIOLOGY OF VESTIBULAR COMPENSATIONCHARLES DELLA SANTINA; Fiscal Year: 2009..results in asymmetries in the angular vestibuloocular reflex (VOR) evoked by high-frequency, high-acceleration head movements. Studies during the previous funding period have elucidated linear and nonlinear components of the angular VOR ..
- PLASTICITY IN THE VESTIBULOOCULAR REFLEXES & PERCEPTIONSCOTT SEIDMAN; Fiscal Year: 2003The 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 ..
- PHYSIOLOGY OF OCULOMOTOR PREMOTOR PATHWAYSRobert McCrea; Fiscal Year: 2002..oculomotor pathways, particularly those related to the vestibulo-ocular reflex (VOR), are modified by active head movements and target distance...
- Biomechanics of the Semicircular CanalsRichard D Rabbitt; Fiscal Year: 2010..results will determine micromechanical contributions underlying the neural representation of angular head movements and the diverse neural code transmitted from the semicircular canals to the brain...
- Sensory Coding Among Semicircular Canal Afferent NeuronsLARRY HOFFMAN; Fiscal Year: 2004DESCRIPTION:(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 ..
- Sensory Processing in Mammalian Vestibular OrgansRUTH EATOCK; Fiscal Year: 2006DESCRIPTION: (provided by applicant) The sensory hair cells in vestibular organs provide information about head movements to reflexes that control eye, head and body position...
- Correlating drug effects on the VOR and motion sicknessPhillip 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 ..
- CELLULAR MECHANISMS OF THE VESTIBULAR SYSTEMJay Goldberg; Fiscal Year: 2001..These cells transduce head movements into electrochemical signals that are transmitted across synapses to the terminals of afferent nerve fibers, ..
- MORPHOPHYSIOLOGICAL ANALYSIS OF VESTIBULAR NEURONSADRIAN PERACHIO; Fiscal Year: 2001The 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 ..
- Eye Movement Control-Role of Brain Stem NeuronsDAVID SPARKS; Fiscal Year: 2004..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 ..
- Eye Movement Control-Role of Brain Stem NeuronsJohn 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 ..
- VESTIBULAR NUCLEUS ACTIVITY IN VESTIBULAR COMPENSATIONSHAWN 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...
- PHYSIOLOGY OF VESTIBULAR COMPENSATIONLloyd Minor; Fiscal Year: 1999Central pathways responsible for control of vestibular processes normally receive information about head movements encoded in the discharge properties of vestibular-nerve afferents innervating each labyrinth...