motion perception

Summary

Summary: The real or apparent movement of objects through the visual field.

Top Publications

  1. ncbi The VideoToolbox software for visual psychophysics: transforming numbers into movies
    D G Pelli
    Department of Psychology, New York University, NY 10003, USA
    Spat Vis 10:437-42. 1997
  2. pmc A predisposition for biological motion in the newborn baby
    Francesca Simion
    Dipartimento di Psicologia dello Sviluppo e della Socializzazione, Universita di Padova, Via Venezia 8, 35131 Padua, Italy
    Proc Natl Acad Sci U S A 105:809-13. 2008
  3. ncbi Action anticipation and motor resonance in elite basketball players
    Salvatore M Aglioti
    Dipartimento di Psicologia, Sapienza Universita di Roma, Via dei Marsi 78, 1 00185, Roma, Italy
    Nat Neurosci 11:1109-16. 2008
  4. ncbi Response of neurons in the lateral intraparietal area during a combined visual discrimination reaction time task
    Jamie D Roitman
    Program in Neurobiology and Behavior, Department of Physiology and Biophysics, and Regional Primate Research Center, University of Washington, Seattle, Washington 98195 7290, USA
    J Neurosci 22:9475-89. 2002
  5. ncbi Neural basis of a perceptual decision in the parietal cortex (area LIP) of the rhesus monkey
    M N Shadlen
    Howard Hughes Medical Institute, Department of Physiology and Biophysics, and Regional Primate Research Center, University of Washington, Seattle, Washington 98195 7290, USA
    J Neurophysiol 86:1916-36. 2001
  6. ncbi Prediction of external events with our motor system: towards a new framework
    Ricarda I Schubotz
    Max Planck Institute for Human Cognitive and Brain Sciences, Department of Neurology, PO Box 500 355, 04303 Leipzig, Germany
    Trends Cogn Sci 11:211-8. 2007
  7. ncbi Spatial and temporal receptive fields of geniculate and cortical cells and directional selectivity
    R L De Valois
    Department of Psychology, University of California, 3210 Tolman Hall 1650, 94720 1650, Berkeley, CA, USA
    Vision Res 40:3685-702. 2000
  8. ncbi The retinotopic organization of the human middle temporal area MT/V5 and its cortical neighbors
    Hauke Kolster
    Laboratorium voor Neurofysiologie en Psychofysiologie, Katholieke Universiteit Leuven Medical School, Campus Gasthuisberg, 3000 Leuven, Belgium
    J Neurosci 30:9801-20. 2010
  9. ncbi Neural activity in macaque parietal cortex reflects temporal integration of visual motion signals during perceptual decision making
    Alexander C Huk
    Center for Perceptual Systems, Department of Psychology, University of Texas, Austin, Texas 78712, USA
    J Neurosci 25:10420-36. 2005
  10. pmc The cost of accumulating evidence in perceptual decision making
    Jan Drugowitsch
    Institut National de la Sante et de la Recherche Medicale, Ecole Normale Superieure, 75005 Paris, France
    J Neurosci 32:3612-28. 2012

Research Grants

  1. Motion Perception in Schizophrenia
    Gunvant Thaker; Fiscal Year: 2007
  2. VISUAL INTERVENTIONS TO IMPROVE ALZHEIMER COGNITION
    Alice Cronin Golomb; Fiscal Year: 2004
  3. HIERARCHICAL PROCESSING IN THE MOTION SYSTEM
    KENNETH BRITTEN; Fiscal Year: 2009
  4. The Logic of Motion Perception and Motion Understanding
    David Gilden; Fiscal Year: 2006
  5. Combining cerebral lesions & monkey fMRI for studying cortical network function
    STELIOS MANOLIS SMIRNAKIS; Fiscal Year: 2010
  6. Developing Research Careers in the Hearing Sciences
    Linda J Hood; Fiscal Year: 2013
  7. Visual and Vestibular Percepts of Motion
    Benjamin T Crane; Fiscal Year: 2013
  8. Extraction of Functional Subnetworks in Autism Using Multimodal MRI
    Lawrence H Staib; Fiscal Year: 2013
  9. Visual Brain Repair in Infantile Strabismus
    Lawrence Tychsen; Fiscal Year: 2011
  10. Mid-Level Vision Systems for Low Vision
    Norberto M Grzywacz; Fiscal Year: 2011

Detail Information

Publications398 found, 100 shown here

  1. ncbi The VideoToolbox software for visual psychophysics: transforming numbers into movies
    D G Pelli
    Department of Psychology, New York University, NY 10003, USA
    Spat Vis 10:437-42. 1997
    ..Transcending the particular computer and language, we discuss the nature of the computer-display interface, and how to calibrate and control it...
  2. pmc A predisposition for biological motion in the newborn baby
    Francesca Simion
    Dipartimento di Psicologia dello Sviluppo e della Socializzazione, Universita di Padova, Via Venezia 8, 35131 Padua, Italy
    Proc Natl Acad Sci U S A 105:809-13. 2008
    ....
  3. ncbi Action anticipation and motor resonance in elite basketball players
    Salvatore M Aglioti
    Dipartimento di Psicologia, Sapienza Universita di Roma, Via dei Marsi 78, 1 00185, Roma, Italy
    Nat Neurosci 11:1109-16. 2008
    ....
  4. ncbi Response of neurons in the lateral intraparietal area during a combined visual discrimination reaction time task
    Jamie D Roitman
    Program in Neurobiology and Behavior, Department of Physiology and Biophysics, and Regional Primate Research Center, University of Washington, Seattle, Washington 98195 7290, USA
    J Neurosci 22:9475-89. 2002
    ..A threshold level of LIP activity appears to mark the completion of the decision process and to govern the tradeoff between accuracy and speed of perception...
  5. ncbi Neural basis of a perceptual decision in the parietal cortex (area LIP) of the rhesus monkey
    M N Shadlen
    Howard Hughes Medical Institute, Department of Physiology and Biophysics, and Regional Primate Research Center, University of Washington, Seattle, Washington 98195 7290, USA
    J Neurophysiol 86:1916-36. 2001
    ..The time course of the neural response suggests that LIP accumulates sensory signals relevant to the selection of a target for an eye movement...
  6. ncbi Prediction of external events with our motor system: towards a new framework
    Ricarda I Schubotz
    Max Planck Institute for Human Cognitive and Brain Sciences, Department of Neurology, PO Box 500 355, 04303 Leipzig, Germany
    Trends Cogn Sci 11:211-8. 2007
    ..This view inspires thinking beyond our customary conceptualization of a 'motor' system...
  7. ncbi Spatial and temporal receptive fields of geniculate and cortical cells and directional selectivity
    R L De Valois
    Department of Psychology, University of California, 3210 Tolman Hall 1650, 94720 1650, Berkeley, CA, USA
    Vision Res 40:3685-702. 2000
    ....
  8. ncbi The retinotopic organization of the human middle temporal area MT/V5 and its cortical neighbors
    Hauke Kolster
    Laboratorium voor Neurofysiologie en Psychofysiologie, Katholieke Universiteit Leuven Medical School, Campus Gasthuisberg, 3000 Leuven, Belgium
    J Neurosci 30:9801-20. 2010
    ..Together with similarities in retinotopic organization and topological neighborhood, the functional properties suggest that MT/V5 in human and macaque cortex are homologous...
  9. ncbi Neural activity in macaque parietal cortex reflects temporal integration of visual motion signals during perceptual decision making
    Alexander C Huk
    Center for Perceptual Systems, Department of Psychology, University of Texas, Austin, Texas 78712, USA
    J Neurosci 25:10420-36. 2005
    ..Temporal integration may be a fundamental computation underlying higher cognitive functions that are dissociated from immediate sensory inputs or motor outputs...
  10. pmc The cost of accumulating evidence in perceptual decision making
    Jan Drugowitsch
    Institut National de la Sante et de la Recherche Medicale, Ecole Normale Superieure, 75005 Paris, France
    J Neurosci 32:3612-28. 2012
    ..The theory also correctly predicts that urgency signals in the brain should be independent of the difficulty, or stimulus strength, at each trial...
  11. ncbi Neural mechanisms for the recognition of biological movements
    Martin A Giese
    Laboratory for Action Representation and Learning, Department of Cognitive Neurology, University Clinic Tübingen, Spemannstrasse 34, D 72076 Tubingen, Germany
    Nat Rev Neurosci 4:179-92. 2003
    ..We review the main experimental findings and discuss possible neural mechanisms, and show that a learning-based, feedforward model provides a neurophysiologically plausible and consistent summary of many key experimental results...
  12. pmc Catching fly balls in virtual reality: a critical test of the outfielder problem
    Philip W Fink
    Institute of Food, Nutrition and Human Health, Massey University, Palmerston North, New Zealand
    J Vis 9:14.1-8. 2009
    ..We provide a critical test by using virtual reality to perturb the vertical motion of the ball in mid-flight. The results confirm the predictions of OAC but are at odds with LOT and TP...
  13. ncbi Collision detection as a model for sensory-motor integration
    Haleh Fotowat
    Department of Biology, McGill University, Montreal, Quebec, H3A 1B1, Canada
    Annu Rev Neurosci 34:1-19. 2011
    ..A combination of behavioral and in vivo electrophysiological experiments has unraveled many of the cellular and network mechanisms underlying this behavior...
  14. ncbi Fast backprojections from the motion to the primary visual area necessary for visual awareness
    A Pascual-Leone
    Laboratory for Magnetic Brain Stimulation, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Kirstein Hall KS454, Boston MA 02115, USA
    Science 292:510-2. 2001
    ..We used transcranial magnetic stimulation to probe the timing and function of feedback from human area MT+/V5 to V1 and found its action to be early and critical for awareness of visual motion...
  15. ncbi Local field potential in cortical area MT: stimulus tuning and behavioral correlations
    Jing Liu
    Howard Hughes Medical Institute and Department of Neurobiology, Stanford University School of Medicine, Stanford, California 94305 5125, USA
    J Neurosci 26:7779-90. 2006
    ..It remains to be determined how LFP choice probability, which is a temporal signature, is related to conventional choice probability effects observed in spike rates...
  16. ncbi Retinotopy and functional subdivision of human areas MT and MST
    Alexander C Huk
    Department of Psychology, Stanford University, Stanford, California 94305 2130, USA
    J Neurosci 22:7195-205. 2002
    ..Putative human MT and MST were typically located on the posterior/ventral and anterior/dorsal banks of a dorsal/posterior limb of the inferior temporal sulcus, similar to their relative positions in the macaque superior temporal sulcus...
  17. ncbi Vision in autism spectrum disorders
    David R Simmons
    Department of Psychology, University of Glasgow, 58 Hillhead Street, Glasgow G128QB, Scotland, UK
    Vision Res 49:2705-39. 2009
    ....
  18. ncbi How MT cells analyze the motion of visual patterns
    Nicole C Rust
    Howard Hughes Medical Institute, New York University, New York, New York 10003, USA
    Nat Neurosci 9:1421-31. 2006
    ....
  19. ncbi An event-related potentials study of biological motion perception in humans
    Masahiro Hirai
    Department of Multi disciplinary Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3 4 1 Komaba, Meguro ku, Tokyo 153 8902, Japan
    Neurosci Lett 344:41-4. 2003
    ..In light of previous human neuroimaging studies, we speculate that component N200 is generated near the extrastriate cortex area and N240 is generated from the superior temporal sulcus region...
  20. ncbi Effects of TMS over premotor and superior temporal cortices on biological motion perception
    Bianca Michelle van Kemenade
    University College London
    J Cogn Neurosci 24:896-904. 2012
    ..To summarize, we report that TMS over PMC reduces sensitivity to biological motion perception. Furthermore, pSTS and PMC may have distinct roles in biological motion processing as behavioral performance ..
  21. pmc Dissociation of neuronal and psychophysical responses to local and global motion
    James H Hedges
    Center for Neural Science, New York University, New York, NY 10003, USA
    Curr Biol 21:2023-8. 2011
    ..Although local motion perception might depend on MT signals, global motion perception depends on mechanisms qualitatively different from ..
  22. ncbi Activation in human MT/MST by static images with implied motion
    Z Kourtzi
    Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, NE20 4043, 77 Massachusetts Ave, Cambridge, MA 02139 4307, USA
    J Cogn Neurosci 12:48-55. 2000
    ..These results suggest that brain regions involved in the visual analysis of motion are also engaged in processing implied dynamic information from static images...
  23. ncbi Effects of correct and transformed visual feedback on rhythmic visuo-motor tracking: tracking performance and visual search behavior
    M Roerdink
    Institute for Fundamental and Clinical Human Movement Sciences, Faculty of Human Movement Sciences, Vrije Universiteit, 1081BT Amsterdam, The Netherlands
    Hum Mov Sci 24:379-402. 2005
    ....
  24. ncbi Direct current stimulation over V5 enhances visuomotor coordination by improving motion perception in humans
    Andrea Antal
    Department of Clinical Neurophysiology, Georg August University of Gottingen, Goettingen, Germany
    J Cogn Neurosci 16:521-7. 2004
    ..the improvement in performance caused by cathodal tDCS of V5 is due to a focusing effect on to the complex motion perception conditions involved in this task...
  25. ncbi Velocity storage contribution to vestibular self-motion perception in healthy human subjects
    G Bertolini
    Neurology Department, Zurich University Hospital, Frauenklinikstrasse 26, CH 8091 Zurich, Switzerland
    J Neurophysiol 105:209-23. 2011
    Self-motion perception after a sudden stop from a sustained rotation in darkness lasts approximately as long as reflexive eye movements...
  26. ncbi Multielement visual tracking: attention and perceptual organization
    S Yantis
    Department of Psychology, Johns Hopkins University, Baltimore, MD 21218
    Cogn Psychol 24:295-340. 1992
    ..This supports object-based theories of attention and demonstrates that perceptual grouping, which is usually conceived of as a purely stimulus-driven process, can also be governed by goal-directed mechanisms...
  27. ncbi Collision-sensitive neurons in the optic tectum of the bullfrog, Rana catesbeiana
    Hideki Nakagawa
    Department of Brain Science and Engineering, Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, Fukuoka, Japan
    J Neurophysiol 104:2487-99. 2010
    ..This strongly suggests that the collision-sensitive neurons of the frog comprise a threshold detector, which triggers collision avoidance behavior...
  28. ncbi Perception of human motion
    Randolph Blake
    Department of Psychology, Vanderbilt University, Nashville, Tennessee 37203, USA
    Annu Rev Psychol 58:47-73. 2007
    ..This article reviews those advances and, where possible, draws links among those findings...
  29. ncbi Perceptual learning without perception
    T Watanabe
    Department of Psychology, Boston University, 64 Cummington Street, Boston, Massachusetts 02215, USA
    Nature 413:844-8. 2001
    ..These results suggest that a frequently presented feature sensitizes the visual system merely owing to its frequency, not its relevance or salience...
  30. doi Flies see second-order motion
    Jamie Carroll Theobald
    Curr Biol 18:R464-5. 2008
  31. ncbi Vestibular perception and action employ qualitatively different mechanisms. I. Frequency response of VOR and perceptual responses during Translation and Tilt
    Daniel M Merfeld
    Jenks Vestibular Physiology Laboratory, Massachusetts Eye and Ear Infirmary, Room 421, MEEI, 243 Charles St, Boston, Massachusetts 02114, USA
    J Neurophysiol 94:186-98. 2005
    ..2 hz...
  32. pmc Neural correlates of perceptual learning in a sensory-motor, but not a sensory, cortical area
    Chi Tat Law
    Department of Neuroscience, 116 Johnson Pavilion, 3610 Hamilton Walk, University of Pennsylvania, Philadelphia, Pennsylvania 19104 6074, USA
    Nat Neurosci 11:505-13. 2008
    ..Thus, for this task, perceptual learning does not appear to involve improvements in how sensory information is represented in the brain, but rather how the sensory representation is interpreted to form the decision that guides behavior...
  33. ncbi Impaired recognition of emotions from body movements is associated with elevated motion coherence thresholds in autism spectrum disorders
    Anthony P Atkinson
    Department of Psychology, Durham University, UK
    Neuropsychologia 47:3023-9. 2009
    ..The results are discussed in relation to recent models of biological motion processing and known abnormalities in the neural substrates of motion and social perception in ASD...
  34. pmc Near optimal combination of sensory and motor uncertainty in time during a naturalistic perception-action task
    A Aldo Faisal
    Dept of Engineering, Univ of Cambridge, Trumpington St, CB2 1PZ Cambridge, UK
    J Neurophysiol 101:1901-12. 2009
    ..Thus we show that subjects in a natural task are quantitatively aware of how sensory and motor variability depend on time and act so as to minimize overall task variability...
  35. pmc Visual and nonvisual contributions to three-dimensional heading selectivity in the medial superior temporal area
    Yong Gu
    Department of Neurobiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
    J Neurosci 26:73-85. 2006
    ....
  36. ncbi Decomposing biological motion: a framework for analysis and synthesis of human gait patterns
    Nikolaus F Troje
    Ruhr Universitat, Bochum, Germany
    J Vis 2:371-87. 2002
    ..A simple motion modeler is presented that can be used to visualize and exaggerate the differences in male and female walking patterns...
  37. 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
    ..Finally, nonlinear interactions between otolith and canal signals allow the vestibular system to function as an inertial sensor and contribute critically to both navigation and spatial orientation...
  38. ncbi Noise characteristics and prior expectations in human visual speed perception
    Alan A Stocker
    Howard Hughes Medical Institute, Center for Neural Science and Courant Institute of Mathematical Sciences, New York University, 4 Washington Place Rm 809, New York, New York 10003, USA
    Nat Neurosci 9:578-85. 2006
    ..The framework is general and should prove applicable to other experiments and perceptual modalities...
  39. ncbi A comparison of visual and auditory motion processing in human cerebral cortex
    J W Lewis
    Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, WI 53226, USA
    Cereb Cortex 10:873-88. 2000
    ..Together, these results identify human cortical regions involved in polysensory integration and the attentional selection of cross-modal motion information...
  40. pmc Human v6: the medial motion area
    S Pitzalis
    Department of Education in Sport and Human Movement, University of Rome Foro Italico, 00194 Rome, Italy
    Cereb Cortex 20:411-24. 2010
    ..Our results suggest that the MT complex (MT+) may be specialized for the analysis of motion signals, whereas area V6 may be more involved in distinguishing object and self-motion...
  41. ncbi The representation of egomotion in the human brain
    Matthew B Wall
    Department of Psychology, Royal Holloway, University of London, Egham, TW20 0EX, United Kingdom
    Curr Biol 18:191-4. 2008
    ..We suggest that MST is merely an intermediate processing stage for visual cues to egomotion and that such cues are more comprehensively encoded by VIP and CSv...
  42. ncbi Point-light biological motion perception activates human premotor cortex
    Ayse Pinar Saygin
    Department of Cognitive Science, University of California, San Diego, La Jolla, California 92093 0515, USA
    J Neurosci 24:6181-8. 2004
    ..The finding that even point-light animations evoke activity in frontal regions suggests that the motor system of the observer may be recruited to "fill in" these simplified displays...
  43. ncbi Cognitive processes involved in smooth pursuit eye movements
    G R Barnes
    Faculty of Life Sciences, University of Manchester, Moffat Building, Sackville St, Manchester M60 1QD, United Kingdom
    Brain Cogn 68:309-26. 2008
    ....
  44. pmc Loom-sensitive neurons link computation to action in the Drosophila visual system
    Saskia E J de Vries
    Department of Neurobiology, Stanford University, Stanford, CA 94305, USA
    Curr Biol 22:353-62. 2012
    ..The complexity of these signals requires neural circuits to link particular patterns of motion to specific behavioral responses...
  45. ncbi Optic flow processing for the assessment of object movement during ego movement
    Paul A Warren
    Wales Institute of Cognitive Neuroscience, School of Psychology, Cardiff University, Cardiff CF10 3AT, UK
    Curr Biol 19:1555-60. 2009
    ..Global processing of optic flow information is shown to play a fundamental role in the recovery of object movement during ego movement...
  46. ncbi Laminar cortical dynamics of visual form and motion interactions during coherent object motion perception
    J Berzhanskaya
    Krasnow Institute for Advanced Study, George Mason University, Fairfax, VA 22030, USA
    Spat Vis 20:337-95. 2007
    ..element motion percepts separated in depth during the chopsticks illusion, and the rigid vs. nonrigid appearance of rotating ellipses...
  47. 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...
  48. ncbi Brief report: recognition of emotional and non-emotional biological motion in individuals with autistic spectrum disorders
    B Hubert
    Mediterranean Institute of Cognitive Neurosciences, CNRS, 31 Chemin Joseph Aiguie, UMR 6193, 13402, Marseille Cedex 20, France
    J Autism Dev Disord 37:1386-92. 2007
    ..Most studies have highlighted an emotional deficit in facial expression perception; our results extend this hypothesized deficit to the perception and interpretation of whole-body biological movements...
  49. ncbi A cortical area that responds specifically to optic flow, revealed by fMRI
    M C Morrone
    Istituto di Neurofisiologia del CNR, Via G Moruzzi 1, 56127 Pisa, Italy
    Nat Neurosci 3:1322-8. 2000
    ..The functional properties of these two areas of the V5/MT complex are also different; the response to optic flow was obtained only with changing flow stimuli, whereas response to translation occurred during exposure to continuous motion...
  50. pmc Direction of visual apparent motion driven solely by timing of a static sound
    Elliot Freeman
    Department of Psychology, Brunel University, Uxbridge, UB8 3PH, United Kingdom
    Curr Biol 18:1262-6. 2008
    ..Our results provide a new demonstration of multisensory influences on sensory-specific perception [5], with timing of a static sound influencing spatio-temporal processing of visual motion direction...
  51. ncbi Auditory motion perception activates visual motion areas in early blind subjects
    C Poirier
    Neural Rehabilitation Engineering Laboratory, Universite Catholique de Louvain, Av Hippocrate, 54, UCL 54 46, B 1200 Brussels, Belgium
    Neuroimage 31:279-85. 2006
    ..The similarity of these results with those we previously observed in sighted subjects suggests that occipital recruitment in blind people could be mediated by the same anatomical connections as in sighted subjects...
  52. ncbi Motion integration and postdiction in visual awareness
    D M Eagleman
    Sloan Center for Theoretical Neurobiology, Computational Neurobiology Laboratory, Howard Hughes Medical Institute, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA
    Science 287:2036-8. 2000
    ..The results here show how interpolation of the past is the only framework of the three models that provides a unified explanation for the flash-lag phenomenon...
  53. pmc Sensitive period for a multimodal response in human visual motion area MT/MST
    Marina Bedny
    Brain and Cognitive Sciences Department, Massachusetts Institute of Technology, Room 46 4021, 43 Vassar Street, Room 46 4021, Cambridge, MA 02139, USA
    Curr Biol 20:1900-6. 2010
    ..During typical development, early visual experience either maintains or creates a vision-dominated response. Once established, this response profile is not altered by long-standing blindness...
  54. ncbi The directional tuning of the barber-pole illusion
    N Fisher
    Centre for Visual Sciences, Research School of Biological Sciences, The Australian National University, Canberra, ACT
    Perception 30:1321-36. 2001
    ..This suggests that the most simple cycle (terminator) ratio explanation cannot fully account for the quantitative properties of the barber-pole illusion...
  55. 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...
  56. ncbi The effect of visual experience on the development of functional architecture in hMT+
    Emiliano Ricciardi
    Laboratory of Clinical Biochemistry and Molecular Biology, Department of Experimental Pathology, Medical Biotechnologies, Infectivology, and Epidemiology, University of Pisa Medical School, I 56126 Pisa, Italy
    Cereb Cortex 17:2933-9. 2007
    ....
  57. pmc Two retinotopic visual areas in human lateral occipital cortex
    Jonas Larsson
    Department of Psychology and Center for Neural Science, New York University, New York, New York 10003, USA
    J Neurosci 26:13128-42. 2006
    ..The topography, stimulus selectivity, and anatomical location of LO1 and LO2 indicate that they integrate shape information from multiple visual submodalities in retinotopic coordinates...
  58. ncbi Activation in posterior superior temporal sulcus parallels parameter inducing the percept of animacy
    Johannes Schultz
    Wellcome Department of Imaging Neuroscience, 12 Queen Square, London WC1N 3BG, United Kingdom
    Neuron 45:625-35. 2005
    ....
  59. ncbi A key role of starburst amacrine cells in originating retinal directional selectivity and optokinetic eye movement
    K Yoshida
    Department of Biological Sciences, Faculty of Medicine and, 606-8501, Kyoto, Japan
    Neuron 30:771-80. 2001
    ..Starburst cells therefore serve as the key element that discriminates the direction of stimulus movement through integrative synaptic transmission and play a pivotal role in information processing that stabilizes image motion...
  60. ncbi Visuo-motor coordination and internal models for object interception
    Myrka Zago
    Laboratory of Human Neurophysiology, IRCCS Santa Lucia Foundation, University of Rome Tor Vergata, Via Ardeatina 306, 00179, Rome, Italy
    Exp Brain Res 192:571-604. 2009
    ....
  61. ncbi Superior temporal and premotor brain areas necessary for biological motion perception
    Ayse Pinar Saygin
    Institute of Cognitive Neuroscience, University College London, London, UK
    Brain 130:2452-61. 2007
    We tested biological motion perception in a large group of unilateral stroke patients (N = 60). Both right and left hemisphere lesioned patients were significantly impaired compared with age-matched controls...
  62. ncbi Area MST and heading perception in macaque monkeys
    Kenneth H Britten
    Center for Neuroscience and Department of Neurobiology, Physiology, and Behavior, University of California, Davis, CA 95616, USA
    Cereb Cortex 12:692-701. 2002
    ..These results favor the hypothesis that MST is involved in recovering self-motion direction from optic flow cues and in the process by which heading perception is compensated for ongoing eye movements...
  63. ncbi Hearing visual motion in depth
    Norimichi Kitagawa
    Department of Psychology, Tokyo Metropolitan University, 1 1, Minami Osawa, Hachioji shi, Tokyo 192 0397, Japan
    Nature 416:172-4. 2002
    ..This 'visual capture' also occurs in motion perception in which a static auditory stimulus appears to move with the visual moving object...
  64. pmc Unaffected perceptual thresholds for biological and non-biological form-from-motion perception in autism spectrum conditions
    Ayse Pinar Saygin
    Department of Cognitive Science, University of California San Diego, La Jolla, California, United States of America
    PLoS ONE 5:e13491. 2010
    ..However, the literature on biological motion perception in ASC is heterogeneous and it is unclear whether deficits are specific to biological motion, or might ..
  65. ncbi Spatiotemporal tuning of the facilitation of biological motion perception by concurrent motor execution
    Andrea Christensen
    Section of Neuropsychology, Department of Cognitive Neurology, Hertie Institute for Clinical Brain Research and Center for Integrative Neuroscience, University Clinic Tübingen, D 72076 Tubingen, Germany
    J Neurosci 31:3493-9. 2011
    ..In addition, our study offers a unifying explanation that reconciles contradicting results about modulatory effects of motor execution on biological motion perception in previous studies.
  66. ncbi A model of neuronal responses in visual area MT
    E P Simoncelli
    Center for Neural Science, New York, NY 10003, USA
    Vision Res 38:743-61. 1998
    ..The paper includes computational simulations accounting for a wide range of physiological data, and describes experiments that could be used to further test and refine the model...
  67. pmc Defining the computational structure of the motion detector in Drosophila
    Damon A Clark
    Department of Neurobiology, Stanford University, Stanford, CA 94305, USA
    Neuron 70:1165-77. 2011
    ..Thus, this computational architecture may be widely used to achieve edge selectivity in motion detection...
  68. ncbi The effects of aging on motion detection and direction identification
    Patrick J Bennett
    Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, Ontario, Canada L8S 4K1
    Vision Res 47:799-809. 2007
    Random dot cinematograms were used to probe motion perception in human observers ranging from 23 to 81 years of age...
  69. ncbi Representation of visual gravitational motion in the human vestibular cortex
    Iole Indovina
    Department of Neuromotor Physiology, Scientific Institute Foundation Santa Lucia, Via Ardeatina 306, 00179 Rome, Italy
    Science 308:416-9. 2005
    ..These findings demonstrate that predictive mechanisms of physical laws of motion are represented in the human brain...
  70. pmc Tuning for spatiotemporal frequency and speed in directionally selective neurons of macaque striate cortex
    Nicholas J Priebe
    Department of Physiology, Howard Hughes Medical Institute, W M Keck Foundation Center for Integrative Neuroscience, University of California, San Francisco, California 94143, USA
    J Neurosci 26:2941-50. 2006
    ....
  71. pmc Visual Motion Area MT+/V5 Responds to Auditory Motion in Human Sight-Recovery Subjects
    Melissa Saenz
    Computation and Neural Systems, California Institute of Technology, Pasadena, California 91125, USA
    J Neurosci 28:5141-8. 2008
    ..Regarding sight recovery after early blindness, our results further demonstrate that cross-modal responses coexist with regained visual responses within the visual cortex...
  72. ncbi Specific activation of the V5 brain area by auditory motion processing: an fMRI study
    Colline Poirier
    Neural Rehabilitation Engineering Laboratory, Universite Catholique de Louvain, Brussels, Belgium
    Brain Res Cogn Brain Res 25:650-8. 2005
    ..In addition, they suggest that the occipital cortex can process non-visual stimuli and that V5 is not restricted to visual processing...
  73. ncbi Vestibular thresholds for yaw rotation about an earth-vertical axis as a function of frequency
    Luzia Grabherr
    Department of Psychology, University of Lausanne, Bâtiment Anthropole, 1015 Lausanne, Switzerland
    Exp Brain Res 186:677-81. 2008
    ..71 deg s(-1) and a cut-off frequency of 0.23 Hz, which corresponds to a time constant of approximately 0.70 s. These findings provide no evidence for an influence of velocity storage on perceptual yaw rotation thresholds...
  74. ncbi Motion illusions as optimal percepts
    Yair Weiss
    School of Computer Science and Engineering, Hebrew University of Jerusalem, Givat Ram Campus, Jerusalem 91904, Israel
    Nat Neurosci 5:598-604. 2002
    ..We formulated a model of visual motion perception using standard estimation theory, under the assumptions that (i) there is noise in the initial measurements ..
  75. ncbi Organization and development of direction-selective circuits in the retina
    Wei Wei
    Department of Molecular and Cell Biology and the Helen Wills Neuroscience Institute, University of California at Berkeley, Berkeley, CA 94720, USA
    Trends Neurosci 34:638-45. 2011
    ..In this review, we describe recent advances in genetic, imaging and optogenetic techniques that have improved our understanding of the synaptic organization and development underlying retinal direction selectivity...
  76. ncbi Long trajectory for the development of sensitivity to global and biological motion
    Bat Sheva Hadad
    Department of Psychology, Ben Gurion University of the Negev, Israel
    Dev Sci 14:1330-9. 2011
    ..The results suggest that the extrastriate mechanisms that integrate local motion cues over time and space take many years to mature...
  77. pmc Eye-hand synergy and intermittent behaviors during target-directed tracking with visual and non-visual information
    Chien Ting Huang
    Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan City, Taiwan
    PLoS ONE 7:e51417. 2012
    ..Visual information adds to eye-hand synchrony, underlying improved amplitude control and elaborate error interpretation during oculo-manual tracking...
  78. pmc Is vestibular self-motion perception controlled by the velocity storage? Insights from patients with chronic degeneration of the vestibulo-cerebellum
    Giovanni Bertolini
    Department of Neurology, Zurich University Hospital, Zurich, Switzerland
    PLoS ONE 7:e36763. 2012
    ..In healthy subjects, it has been suggested that self-motion perception in response to earth-vertical axis rotations depends on the VSM in a similar way as reflexive eye movements...
  79. ncbi Auditory motion direction encoding in auditory cortex and high-level visual cortex
    Arjen Alink
    Department of Neurophysiology, Max Planck Institute for Brain Research, D 60528 Frankfurt am Main, Germany
    Hum Brain Mapp 33:969-78. 2012
    ..we assessed directional sensitivity in three predefined brain areas that have been associated with auditory motion perception in previous neuroimaging studies...
  80. ncbi Mathematical analysis of the accordion grating illusion: a differential geometry approach to introduce the 3D aperture problem
    Arash Yazdanbakhsh
    Cognitive and Neural Systems Department, Boston University, MA 02215, United States
    Neural Netw 24:1093-101. 2011
    ..in this issue)). We suggest that our approach may generalize to other motion illusions visible in 2D displays...
  81. ncbi Effect of spatial distance to the task stimulus on task-irrelevant perceptual learning of static Gabors
    Shigeaki Nishina
    Department of Psychology, Boston University, Boston, MA 02215, USA
    J Vis 7:2.1-10. 2007
    ..These findings give further insights into the mechanism of perceptual learning...
  82. ncbi No evidence for a fundamental visual motion processing deficit in adolescents with autism spectrum disorders
    Catherine R G Jones
    Department of Psychology, University of Essex, Colchester, United Kingdom
    Autism Res 4:347-57. 2011
    ..We hypothesize that this association reflects the shared social-cognitive characteristics of the two tasks, which have a common neural underpinning in the superior temporal sulcus...
  83. pmc A three-dimensional spatiotemporal receptive field model explains responses of area MT neurons to naturalistic movies
    Shinji Nishimoto
    Helen Wills Neuroscience Institute and Department of Psychology, University of California, Berkeley, California 94720, USA
    J Neurosci 31:14551-64. 2011
    ..However, models fit using naturalistic stimuli reveal several novel properties of MT receptive fields that had not been shown in prior experiments...
  84. ncbi Attention, biological motion, and action recognition
    James Thompson
    ARCH Laboratory, Department of Psychology, George Mason University, Fairfax, VA 22030, USA
    Neuroimage 59:4-13. 2012
    ..The role of attention in action observation has implications for everyday social interactions and workplace applications that depend on observing, understanding and interpreting actions...
  85. ncbi Young children with autism spectrum disorder do not preferentially attend to biological motion
    Dagmara Annaz
    Division of Psychology and Language Science, Department of Developmental Sciences, University College London, Chandler House, 2 Wakefield Street, London, UK
    J Autism Dev Disord 42:401-8. 2012
    ..In contrast a neurotypical matched control group preferentially attended to the human, biological motion in both conditions. The results suggest a core deficit in attending to biological motion in ASD...
  86. ncbi High motion coherence thresholds in children with autism
    Elizabeth Milne
    Dept of Human Communication Science, University College, London, UK
    J Child Psychol Psychiatry 43:255-63. 2002
    ..We assessed motion processing in a group of high functioning children with autism and a group of typically developing children, using a coherent motion detection task...
  87. ncbi Determining priority between attentional and referential-coding sources of the Simon effect through optokinetic stimulation
    Francesca Figliozzi
    Fondazione Santa Lucia IRCCS, Roma, Italy
    Neuropsychologia 48:1011-5. 2010
    ..This result supports priority of attentional over referential-coding factors in the genesis of the Simon effect...
  88. ncbi Target acceleration can be extracted and represented within the predictive drive to ocular pursuit
    Simon J Bennett
    Research Institute for Exercise and Sport Sciences, Liverpool John Moores University, Henry Cotton Campus, L3 2ET, Liverpool, UK
    J Neurophysiol 98:1405-14. 2007
    ..These results indicate that information on target acceleration can be extracted on-line, during pursuit of a visible ramp, and then used to drive a predictive oculomotor response in the absence of visual input...
  89. ncbi Buildup of choice-predictive activity in human motor cortex during perceptual decision making
    Tobias H Donner
    Department of Neurophysiology, University Medical Center Hamburg Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
    Curr Biol 19:1581-5. 2009
    ..We conclude that frequency-specific neural population activity at the cortical output stage of sensorimotor pathways provides a window into the mechanisms underlying perceptual decisions...
  90. ncbi Vestibular nuclei and cerebellum put visual gravitational motion in context
    William L Miller
    Dept of Neuromotor Physiology, Santa Lucia Foundation, Via Ardeatina 306, 00179 Rome, Italy
    J Neurophysiol 99:1969-82. 2008
    ..Our results suggest an early stage of integration of high-level visual analysis with gravity-related motion information, which may represent the substrate for perceptual constancy of ubiquitous gravitational motion...
  91. ncbi Triangles have goals too: understanding action representation in left aIPS
    Richard Ramsey
    School of Psychology, University of Nottingham, University Park, Nottingham NG7 2RD, UK
    Neuropsychologia 48:2773-6. 2010
    ..e., human or shape). Further, the results have consequence for theories of goal understanding in situations without access to biological form or motion...
  92. ncbi No evidence for impaired perception of biological motion in adults with autistic spectrum disorders
    Patrick Murphy
    School of Psychology, University College Dublin, Belfield, Dublin 4, Ireland
    Neuropsychologia 47:3225-35. 2009
    ..The discrepancy between these and previous findings of impaired biological motion perception in ASDs are discussed with reference to differences in the age and diagnosis of the participants, and the ..
  93. ncbi A model of encoding and decoding in V1 and MT accounts for motion perception anisotropies in the human visual system
    Ariel Rokem
    Helen Wills Neuroscience Institute, University of California, Berkeley, USA
    Brain Res 1299:3-16. 2009
    We used the motion aftereffect (MAE) to psychophysically characterize tuning of motion perception in the human visual system...
  94. pmc Contributions of the 12 neuron classes in the fly lamina to motion vision
    John C Tuthill
    HHMI Janelia Farm Research Campus, 19700 Helix Drive, Ashburn, VA 20147, USA
    Neuron 79:128-40. 2013
    ..Our results reveal a prominent role for feedback and lateral interactions in motion processing and demonstrate that motion-dependent behaviors rely on contributions from nearly all lamina neuron classes. ..
  95. pmc Neural representations of relevant and irrelevant features in perceptual decision making
    Andrew S Kayser
    Department of Neurology, University of California, San Francisco, Emeryville, CA 94608, USA
    J Neurosci 30:15778-89. 2010
    ....
  96. ncbi Intermittency of visual information and the frequency of rhythmical force production
    J J Sosnoff
    Department of Kinesiology, The Pennsylvania State University, 266 Recreation Hall, University Park, PA 16802, USA
    J Mot Behav 37:325-34. 2005
    ..The effective use of intermittent visual information in force output was mediated by task frequency, and that mediation was reflected in the differential emphasis of feedback and feedforward processes over multiple timescales of control...
  97. ncbi Dynamic readout of behaviorally relevant signals from area MT during task switching
    Ryo Sasaki
    Department of Physiology 1, Juntendo University School of Medicine, 2 1 1 Hongo, Bunkyo, Tokyo 113 8421, Japan
    Neuron 62:147-57. 2009
    ..These results suggest that task switching is accomplished via communication from distinct populations of neurons when sensorimotor associations switch within a short time period...
  98. ncbi Perception of biological motion in autism spectrum disorders
    Christine M Freitag
    Department of Child and Adolescent Psychiatry, Saarland University Hospital, Homburg, Germany
    Neuropsychologia 46:1480-94. 2008
    ..As biological motion perception and recognition might be related to impaired imitation, gross motor skills and autism specific ..
  99. ncbi Neural correlates of visually induced self-motion illusion in depth
    Gyula Kovacs
    Institute of Psychology, University of Regensburg, 93053 Regensburg, Germany
    Cereb Cortex 18:1779-87. 2008
    ..of the intraparietal sulcus and along the left posterior intraparietal sulcus were more active during self-motion perception than during object-motion...
  100. pmc Correlation of passivity symptoms and dysfunctional visuomotor action monitoring in psychosis
    Knut Schnell
    Department of Psychiatry and Psychotherapy, Division of Medical Psychology, University Hospital of Bonn, Bonn, Germany
    Brain 131:2783-97. 2008
    ....
  101. ncbi Motion streaks improve motion detection
    Mark Edwards
    School of Psychology, Australian National University, Canberra, ACT 0200, Australia
    Vision Res 47:828-33. 2007
    ..These results support the notion that detection thresholds were facilitated by a motion-streak system...

Research Grants63

  1. Motion Perception in Schizophrenia
    Gunvant Thaker; Fiscal Year: 2007
    ..aided by our efforts to incorporate neurophysiological findings in human and non-human primate studies of motion perception and oculomotor functioning, which have shown that SPEM response can be parsed into component processes with ..
  2. VISUAL INTERVENTIONS TO IMPROVE ALZHEIMER COGNITION
    Alice Cronin Golomb; Fiscal Year: 2004
    ..A third capacity, motion perception, will be the subject of more preliminary investigation as a possible point of intervention...
  3. HIERARCHICAL PROCESSING IN THE MOTION SYSTEM
    KENNETH BRITTEN; Fiscal Year: 2009
    ..seek to ask if the parietal cortical area (the ventral intraparietal area or VIP) is both necessary for self-motion perception and is actually used...
  4. The Logic of Motion Perception and Motion Understanding
    David Gilden; Fiscal Year: 2006
    ..Patterns of facilitation and inhibition are used to decide what aspects of motion information receive implicit registration. [unreadable] [unreadable]..
  5. Combining cerebral lesions & monkey fMRI for studying cortical network function
    STELIOS MANOLIS SMIRNAKIS; Fiscal Year: 2010
    ..2000. 130(5): p. 687-8). Visual motion perception is particularly important since it allows subjects to navigate the natural environment by avoiding potential ..
  6. Developing Research Careers in the Hearing Sciences
    Linda J Hood; Fiscal Year: 2013
    ..cochlear and neural physiology in development and aging, hereditary hearing loss, spatial localization, motion perception, directional hearing and amplification, pediatric audiology, speech recognition in noise, cochlear implants, ..
  7. Visual and Vestibular Percepts of Motion
    Benjamin T Crane; Fiscal Year: 2013
    DESCRIPTION (provided by applicant): This project aims to characterize human motion perception as mediated by vision, vestibular system, and the interactions between them...
  8. Extraction of Functional Subnetworks in Autism Using Multimodal MRI
    Lawrence H Staib; Fiscal Year: 2013
    ..approach that will estimate three functionally-connected subnetworks in the brain related to ASD and a motion perception task...
  9. Visual Brain Repair in Infantile Strabismus
    Lawrence Tychsen; Fiscal Year: 2011
    ..The infantile strabismus syndrome includes anomalies of stereopsis, motion perception, fusional vergence, and horizontal gaze-stabilizing, pursuit, optokinetic and ocular following movements...
  10. Mid-Level Vision Systems for Low Vision
    Norberto M Grzywacz; Fiscal Year: 2011
    ..They also include Dr. lone Fine, from Ophthalmology, an expert in people who recover vision after a prolonged period without it and Dr. Zhong-Lin Lu, an expert on motion perception and perceptual learning.
  11. Neural Basis of Self-Motion Perception
    Dora Angelaki; Fiscal Year: 2013
    ..In addition, this work also addresses the neural basis of self-motion perception and navigation, which is relevant to spatial disorientation deficits in Alzheimer's disease.
  12. NEURAL ORGANIZATION AND FUNCTION OF THE VESTIBULO-CEREBELLUM
    Dora Angelaki; Fiscal Year: 2013
    ..necessary to establish the NU-VN-CN circuitry as key areas in inertial multisensory processing for self-motion perception and spatial orientation, critical for allocentric orientation and inertial navigation...
  13. Vestibular thresholds, including psychophysical response dynamics
    Daniel M Merfeld; Fiscal Year: 2013
    ..However, the best way to assay undiagnosed motion perception symptoms is via perceptual testing...
  14. MULTISENSORY INTEGRATION IN EXTRASTRIATE VISUAL CORTEX
    Dora Angelaki; Fiscal Year: 2012
    ..Understanding the neural basis of multisensory integration and self-motion perception would also promote new strategies for treating spatial disorientation deficits common to many brain ..
  15. Biological Motion Perception in Parkinson's Disease
    Abhishek Jaywant; Fiscal Year: 2013
    ..The goals of the proposed study are to investigate biological motion perception and its relation to locomotion in PD (Aim1), and to determine whether visual training using biological ..
  16. Functional Neuroimaging and Transcranial Magnetic Stimulation in Mal de Debarquem
    YOON HEE K CHA; Fiscal Year: 2012
    ..If differences in the performance of psychophysical tasks that assess visual motion perception and in brain activation patterns in functional neuroimaging can be seen, then areas of differential ..
  17. Kinesthetic influences on visual motion perception in normal and older adults
    David C Knill; Fiscal Year: 2013
    ....
  18. NEURAL MECHANISMS OF VESTIBULAR FUNCTION
    Dora Angelaki; Fiscal Year: 2013
    ..to reflexes, but little has been done to understand its sensory functions, as they relate to self-motion perception and spatial orientation...
  19. Sensory Treadmill to Improve of Balance During Walking
    JOHN JOSEPH JEKA; Fiscal Year: 2013
    ..Older individuals have degraded self-motion perception and often generate inappropriate postural responses to maintain equilibrium, increasing their risk for falls...
  20. Hierarchical development of temporal processing in human visual cortex.
    Faraz Farzin; Fiscal Year: 2013
    ..Deficits in visual motion perception, a process that is critically dependent on fine temporal resolution, have been reported in a number of ..
  21. Sensory Integration for Heading Perception
    Gregory C DeAngelis; Fiscal Year: 2013
    ..normalization takes place in area MSTd, which is involved in visual-vestibular integration for self- motion perception. In Aim 2, we examine how eye and head rotations alter the tuning of MSTd neurons for heading as defined by ..
  22. Neurophysiological Basis of Speech Perception
    Einat Liebenthal; Fiscal Year: 2013
    ..We propose to examine the common role of this region in speech and biological motion perception and in forming transient veridical representations for novel sounds...
  23. Fusion of Electromagnetic Brain Imaging and fMRI
    Srikantan S Nagarajan; Fiscal Year: 2012
    ..paradigms (auditory, motor, picture naming and verb-generation) and two fMRI-EEG datasets (face and motion perception)...
  24. Neural mechanisms underlying adaptive optimization of visual sensitivity
    Sergei Gepshtein; Fiscal Year: 2013
    ..To make this premise concrete and precise, the proposed research builds on a normative theory of visual motion perception, which argues that the visual system will adapt optimally by balancing stimulus and measurement ..
  25. Human Spatial Disorientation and Misperception of Self-Motion in Three Dimensions
    JAN HOLLY; Fiscal Year: 2009
    ..provided by applicant): The long-term goal is to better understand, explain, and predict human self-motion perception in three dimensions...
  26. Mechanisms of Visual Motion Perception
    Duje Tadin; Fiscal Year: 2013
    ..In motion perception, the PI's recent work demonstrated that spatial integration of motion signals is not fixed, but ..
  27. The Development of Direction Selectivity in Visual Cortex
    David Fitzpatrick; Fiscal Year: 2011
    ..These experiments will contribute to a better understanding of deficits in motion perception that are common in developmental disorders, and more broadly, they will provide new insights into the ..
  28. PLASTICITY IN THE VESTIBULOOCULAR REFLEXES & PERCEPTION
    SCOTT SEIDMAN; Fiscal Year: 2003
    ..In addition, VOR and motion perception mechanisms share common sensory inputs, as well as the common goal of maintaining spatial orientation...
  29. Innovative Methodologies for measuring behavioral vestibular thresholds
    Daniel M Merfeld; Fiscal Year: 2012
    ..However, the best way to assay undiagnosed motion perception symptoms is via perceptual testing...
  30. The development of depth perception from motion parallax in human infants
    ELIZABETH SHANNON NAWROT; Fiscal Year: 2009
    ..This research is an important step in determining the developmental relationship between motion perception, eye movements, depth from motion parallax, and binocular stereopsis...
  31. PROCESSES OF VISUAL TRACKING
    Martin Gizzi; Fiscal Year: 1993
    ..3) Psychophysical studies of motion perception will be performed in the same human subject population...
  32. The neural basis of perceptual coherence
    Pascal Wallisch; Fiscal Year: 2012
    ..relatively well understood anatomically, physiologically and computationally, such as the system underlying motion perception, in particular area MT...
  33. Testing models of human visual motion perception
    ALAN COBO LEWIS; Fiscal Year: 2001
    ..At least as important, the neurophysiology of motion perception early in the visual pathway is sufficiently well known to offer substantial constraints on plausible models...
  34. DEVELOPMENT OF VISUAL MOTION PROCESSING IN HUMAN INFANTS
    Karen Dobkins; Fiscal Year: 2002
    ..The long-term objective of this research is to characterize the development of visual motion perception in human infants, and to understand how underlying neural mechanisms can account for the progression from an ..
  35. Human Motion System
    Dora Angelaki; Fiscal Year: 2005
    ..funds to acquire a complete virtual reality motion system that is used to study spatial orientation, motion perception, as well as the planning and execution of eye, head, hand and arm movements in human subjects...
  36. FUNCTION AND PLACTICITY IN CANAL OTOLITH INTERACTIONS
    GARY PAIGE; Fiscal Year: 2002
    ..Finally, since the VOR and motion perception share common sensory inputs as well as goals of spatial orientation, do these perceptual processes have ..
  37. STUDIES OF VISUAL IMPAIRMENTS IN RETINITIS PIGMENTOSA
    Robert Massof; Fiscal Year: 1993
    ..many in collaboration with order Wilmer investigators) of reading, face discrimination, visual search, motion perception, and mobility...
  38. Attentional Tracking and the Perception of Control
    ADRIANE SEIFFERT; Fiscal Year: 2005
    The long-term objective of the project is to understand how visual attention interacts with motion perception and visuo-motor systems to track the motion of target objects...
  39. TMS Studies of Visual and Auditory Time Perception
    Lorella Battelli; Fiscal Year: 2006
    ..Third we will use TMS during biological motion perception. The results of these studies should provide important new insight into the role of parietal cortex, and ..
  40. SENSING & CONTROLLING MOTION--VESTIBULAR & SENSORIMOTOR
    Bernard Cohen; Fiscal Year: 1991
    ..mechanisms of hair cell transduction, computational approaches to study of spatial orientation, studies of motion perception, the neural basis for visual input to the vestibular system during linear motion, neural processing and ..
  41. Role of Attention in America Sign Language Perception
    Heather Knapp; Fiscal Year: 2005
    ..explores the relationship between deafness, sign language experience, and attention in linguistic form and motion perception, with the aim of providing new information about the level of attention required for visual language ..
  42. Enhancements of Visual Attention Among Deaf Signers
    MATTHEW ISAAK; Fiscal Year: 2002
    ..has demonstrated that the deaf outperform the hearing on tasks in such domains of visual cognition as motion perception, face perception, and mental imagery...
  43. SEGMENTATION AND INTERPOLATION IN STEREOPSIS AND MOTION
    BARTON ANDERSON; Fiscal Year: 2002
    ..investigations of the mechanisms underlying the recovery of surface structure in stereopsis and motion perception. Virtually all of the work in stereopsis and motion in the past century has focused on the matching or ..
  44. VISUAL MOTION PROCESSING DURING OBSERVER MOVEMENT
    CHARLES DUFFY; Fiscal Year: 2009
    ..motion, and the effects of gaze angle shifts that might alter the reference frame for observer and object motion perception. All three Aims use the same data analyses, but the interpretation of the results is unique to each, ..
  45. MOTION AND FORM IN VISION
    EDWARD ADELSON; Fiscal Year: 1999
    ..The proposed work uses image segmentation to get better model predictions of perceived motion and uses motion perception as an indication of image segmentation...
  46. MOTION PERCEPTION AND PURSUIT IN CEREBRAL CORTEX
    Jason Barton; Fiscal Year: 2001
    ..develop expertise in visual psychophysics and create a program for exploring processes underlying visual motion perception and pursuit eye movements in human cerebral cortex...
  47. AUDITORY MOTION PERCEPTION
    D Grantham; Fiscal Year: 2002
    In continuation of an ongoing investigation of human auditory motion perception, a series of new experiments is proposed, in which stimuli will be presented from stationary and moving loudspeakers in an anechoic environment...
  48. OTOLITH PROCESSING IN LINEAR VOR & MOTION PERCEPTION
    SCOTT SEIDMAN; Fiscal Year: 1999
    ..Finally, a set of experiments is planned in which eye movements will be measured while subjects are translated. ..
  49. Neural Mechanisms of Motion Sensitivity in V1 and MT
    LUIS LESMES; Fiscal Year: 2007
    ..theory of motion systems, distinguishing the contributions of three independent motion mechanisms to human motion perception, is applied to neurophysiology...
  50. HUMAN VISUAL VELOCITY PERCEPTION IN FOVEA AND PERIPHERY
    SAMUEL BOWNE; Fiscal Year: 1991
    Current models of human motion perception use short-range motion sensors loosely based on the 1961 Reichardt model of insect vision...
  51. THREE-DIMENSIONAL ASPECTS OF VISION AND OCULOMOTILITY
    Ken Nakayama; Fiscal Year: 1980
    ..In addition, psychophysical tests of some model of motion perception will be conducted using a reversed phi random-dot stimulus...
  52. DEVELOPMENT OF MOTION PERCEPTION
    JAMES DANNEMILLER; Fiscal Year: 1993
    ..Several of the experiments also examine evidence for the aperture problem in the infant's visual system. The experiments will provide normative data on motion sensitivity and its development during early postnatal life...
  53. TRACKING NEURONAL FIBERS IN LIVING HUMAN BRAIN BY MRI
    THOMAS CONTURO; Fiscal Year: 2005
    ..mapping to identify higher visual areas and to select functional subsets of the geniculocalcarine tract, and motion perception studies to activate remote cognitive regions outside the visual cortex...
  54. MOTION PROCESSING MECHANISMS IN VISUAL CORTEX
    LAWRENCE O KEEFE; Fiscal Year: 1999
    ..From The Applicant's Abstract) This proposal is focused on the neural mechanisms that underlie second order motion perception--perception of motion that is not cued by differences in luminance, but is based on differences in contrast ..
  55. Perception and Recovery of Motion for Visually Guided Behavior in Humans
    Lucia Maria Vaina; Fiscal Year: 2010
    ..abstract_text> ..
  56. CELLULAR SIGNAL PROCESSING IN FLY MOTION VISION
    Alexander Borst; Fiscal Year: 2001
    ..The experimental data undergo an information theoretic analysis and compared to the performance of biophysically realistic computer models of the cells. ..
  57. Psychophysics and modeling of structure-from-motion
    JULIAN FERNANDEZ; Fiscal Year: 2005
    ..Knowing how the visual system computes SFM is not only essential for understanding the brain per se, but also important for finding psychophysical diagnostic tools for pinpointing potential areas of brain damage. ..
  58. EFFECTS OF LESIONS ON VISUAL MOTION PERCEPTION IN HUMANS
    LUCIA VAINA; Fiscal Year: 2005
    ....
  59. ORGANIZATION AND CONTROL OF MOVEMENT
    JOHN SOECHTING; Fiscal Year: 2007
    ..Providing sensory feedback would clearly enhance the efficacy of brain-machine interfaces and these results will provide new information about the normal utilization of sensory inflow in the control of movements. ..
  60. Ocular and Manual Tracking of Visual Targets
    JOHN SOECHTING; Fiscal Year: 2004
    ..abstract_text> ..
  61. Motion Detector Networks for Smooth Pursuit
    Stephen Heinen; Fiscal Year: 2006
    ..The results should be applicable to the characterization of parameters of normal vision, and to the diagnosis and treatment of disorders of vision, strabismus and dynamic eye movement control. ..
  62. Development of Motion Processing in Human Infants
    Karen Dobkins; Fiscal Year: 2008
    ..The long-term objective of this research is to characterize the development of visual motion perception in human infants, and to understand how underlying neural mechanisms can account for the progression from an ..
  63. Liability Markers for Deficit Schizophrenia?
    L Hong; Fiscal Year: 2004
    ..We plan to use the preliminary data collected from this grant support to guide our full-scale search for phenotypic markers specifically associated with the liability for deficit schizophrenia and subsequent molecular genetic studies. ..