depth perception

Summary

Summary: Perception of three-dimensionality.

Top Publications

  1. ncbi Visual depth perception in normal and deprived rats: effects of environmental enrichment
    L Baroncelli
    Institute of Neuroscience, CNR, Via Moruzzi 1, I 56124 Pisa, Italy
    Neuroscience 236:313-9. 2013
  2. ncbi Perceiving light versus material
    Frederick A A Kingdom
    McGill Vision Research, 687 Pine Av W Rm H4 14, Montreal, Que, Canada H3A 1A1
    Vision Res 48:2090-105. 2008
  3. ncbi Presenting features and early management of childhood intermittent exotropia in the UK: inception cohort study
    D Buck
    Institute of Health and Society, Newcastle University, Newcastle upon Tyne, UK
    Br J Ophthalmol 93:1620-4. 2009
  4. pmc Postoperative outcomes in children with intermittent exotropia from a population-based cohort
    Noha S Ekdawi
    Department of Ophthalmology, Mayo Clinic and Mayo Foundation, Rochester, Minnesota, USA
    J AAPOS 13:4-7. 2009
  5. pmc Rapid perceptual switching of a reversible biological figure
    Stuart Jackson
    Cognitive Science, UCD School of Computer Science and Informatics, University College Dublin, Belfield, Dublin, Ireland, UK
    PLoS ONE 3:e3982. 2008
  6. ncbi Perceptually bistable three-dimensional figures evoke high choice probabilities in cortical area MT
    J V Dodd
    University Laboratory of Physiology, Oxford OX1 3PT, United Kingdom
    J Neurosci 21:4809-21. 2001
  7. ncbi The lateral occipital complex and its role in object recognition
    K Grill-Spector
    Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. kalanit2psyche.mit.edu
    Vision Res 41:1409-22. 2001
  8. ncbi Bistability and biasing effects in the perception of ambiguous point-light walkers
    Jan Vanrie
    Laboratory of Experimental Psychology, K U Leuven, Tiensestraat 102, B 3000 Leuven, Belgium
    Perception 33:547-60. 2004
  9. ncbi Contribution of area MT to stereoscopic depth perception: choice-related response modulations reflect task strategy
    Takanori Uka
    Department of Anatomy and Neurobiology, Washington University School of Medicine, Box 8108, 660 South Euclid Avenue, St Louis, MO 63110, USA
    Neuron 42:297-310. 2004
  10. ncbi Ideal observer perturbation analysis reveals human strategies for inferring surface orientation from texture
    D C Knill
    Department of Psychology, University of Pennsylvania, 3815 Walnut Street, Philadelphia, PA 19104, USA
    Vision Res 38:2635-56. 1998

Research Grants

Detail Information

Publications266 found, 100 shown here

  1. ncbi Visual depth perception in normal and deprived rats: effects of environmental enrichment
    L Baroncelli
    Institute of Neuroscience, CNR, Via Moruzzi 1, I 56124 Pisa, Italy
    Neuroscience 236:313-9. 2013
    ..Our results encourage efforts in the clinical application of paradigms based on EE as an intervention strategy for treating amblyopia in adulthood...
  2. ncbi Perceiving light versus material
    Frederick A A Kingdom
    McGill Vision Research, 687 Pine Av W Rm H4 14, Montreal, Que, Canada H3A 1A1
    Vision Res 48:2090-105. 2008
    ..Finally, I discuss two theoretical frameworks, the generic view principle and Bayesian estimation, that are beginning to help us understand the visual processes involved in distinguishing between light and material...
  3. ncbi Presenting features and early management of childhood intermittent exotropia in the UK: inception cohort study
    D Buck
    Institute of Health and Society, Newcastle University, Newcastle upon Tyne, UK
    Br J Ophthalmol 93:1620-4. 2009
    ..To investigate factors associated with early management of intermittent exotropia (X(T)) in hospital eye departments in the UK in a prospective cohort study...
  4. pmc Postoperative outcomes in children with intermittent exotropia from a population-based cohort
    Noha S Ekdawi
    Department of Ophthalmology, Mayo Clinic and Mayo Foundation, Rochester, Minnesota, USA
    J AAPOS 13:4-7. 2009
    ..To describe the long-term surgical outcomes in a population-based cohort of children with intermittent exotropia...
  5. pmc Rapid perceptual switching of a reversible biological figure
    Stuart Jackson
    Cognitive Science, UCD School of Computer Science and Informatics, University College Dublin, Belfield, Dublin, Ireland, UK
    PLoS ONE 3:e3982. 2008
    ..In summary, we have demonstrated that the temporal dynamics of reversal with biological motion are similar to other forms of ambiguous SFM. We conclude that perceptual switching with biological motion is a robust bistable phenomenon...
  6. ncbi Perceptually bistable three-dimensional figures evoke high choice probabilities in cortical area MT
    J V Dodd
    University Laboratory of Physiology, Oxford OX1 3PT, United Kingdom
    J Neurosci 21:4809-21. 2001
    The role of the primate middle temporal area (MT) in depth perception was examined by considering the trial-to-trial correlations between neuronal activity and reported depth sensations...
  7. ncbi The lateral occipital complex and its role in object recognition
    K Grill-Spector
    Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. kalanit2psyche.mit.edu
    Vision Res 41:1409-22. 2001
    ..Overall, these results indicate that the lateral occipital complex plays an important role in human object recognition...
  8. ncbi Bistability and biasing effects in the perception of ambiguous point-light walkers
    Jan Vanrie
    Laboratory of Experimental Psychology, K U Leuven, Tiensestraat 102, B 3000 Leuven, Belgium
    Perception 33:547-60. 2004
    ....
  9. ncbi Contribution of area MT to stereoscopic depth perception: choice-related response modulations reflect task strategy
    Takanori Uka
    Department of Anatomy and Neurobiology, Washington University School of Medicine, Box 8108, 660 South Euclid Avenue, St Louis, MO 63110, USA
    Neuron 42:297-310. 2004
    ..We suggest that this approach provides a physiological means to explore how task strategies are implemented in the brain...
  10. ncbi Ideal observer perturbation analysis reveals human strategies for inferring surface orientation from texture
    D C Knill
    Department of Psychology, University of Pennsylvania, 3815 Walnut Street, Philadelphia, PA 19104, USA
    Vision Res 38:2635-56. 1998
    ..They further suggest that local texture skew, when available in an image, contributes significantly to perceptual estimates of surface orientation...
  11. ncbi Looking at perspective pictures from too far, too close, and just right
    Igor Juricevic
    Department of Life Sciences Psychology, University of Toronto, Scarborough, Toronto, ON, Canada
    J Exp Psychol Gen 135:448-61. 2006
    ....
  12. ncbi Does face recognition rely on encoding of 3-D surface? Examining the role of shape-from-shading and shape-from-stereo
    C H Liu
    Department of Psychology, McGill University, Montreal, Quebec, Canada
    Perception 29:729-43. 2000
    ..Our data are best accounted for by a weighted function of 2-D processing of shading pattern and 3-D processing of shapes, with a much greater weight assigned to 2-D pattern processing...
  13. pmc Binding 3-D object perception in the human visual cortex
    Yang Jiang
    University of Kentucky, College of Medicine, Lexington, KY 40536 0086, USA
    J Cogn Neurosci 20:553-62. 2008
    ..The assembly is fed forward to achieve coherent perception of a 3-D object within 500 msec...
  14. ncbi Impaired depth perception and restricted pitch head movement increase obstacle contacts when dual-tasking in older people
    Jasmine C Menant
    DSC, Falls and Balance Research Laboratory, Prince of Wales Medical Research Institute, University of New South Wales, Barker Street, Randwick, New South Wales 2031, Australia
    J Gerontol A Biol Sci Med Sci 65:751-7. 2010
    ..The aims of the study were to determine (i) the effect of a secondary visual task on obstacle contacts when older people negotiated an obstacle course and (ii) physiological factors associated with obstacle contacts...
  15. pmc Variability of stereoacuity in intermittent exotropia
    Sarah R Hatt
    Department of Ophthalmology, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
    Am J Ophthalmol 145:556-561. 2008
    ..The purpose of this study was to assess the variability of stereoacuity over one day in children with IXT...
  16. ncbi Feature-specific electrophysiological correlates of texture segregation
    M Fahle
    Department of Human Neurobiology, Center for Cognitive Science, University of Bremen, Argonnenstrasse 3, D 28211 Bremen, Germany
    Vision Res 43:7-19. 2003
    ....
  17. ncbi Depth perception by the active observer
    Mark Wexler
    CNRS, 11 pl Marcelin Berthelot, 75005 Paris, France
    Trends Cogn Sci 9:431-8. 2005
    ..Allowing observers to act can drastically change the way they perceive the third dimension, as well as how scientists view depth perception.
  18. ncbi Response of MSTd neurons to simulated 3D orientation of rotating planes
    Hiroki Sugihara
    Laboratory of Neural Control, National Institute for Physiological Sciences, Aichi 444 8585, Japan
    J Neurophysiol 87:273-85. 2002
    ..These results suggest that MSTd neurons are sensitive to stimulus features specific to the perceived 3D orientation of the rotating plane stimuli and suggest that area MSTd is involved in SFM processing...
  19. pmc Vergence-accommodation conflicts hinder visual performance and cause visual fatigue
    David M Hoffman
    Vision Science Program, University of California, Berkeley, CA 94720, USA
    J Vis 8:33.1-30. 2008
    ..We discuss the implications of this work for vision research and the design and use of displays...
  20. ncbi Common region: a new principle of perceptual grouping
    S E Palmer
    Psychology Department, University of California, Berkeley 94720
    Cogn Psychol 24:436-47. 1992
    ..on perceived depth relations, indicating that it is influenced by processes that occur after at least some depth perception has been achieved...
  21. pmc Linking neural representation to function in stereoscopic depth perception: roles of the middle temporal area in coarse versus fine disparity discrimination
    Takanori Uka
    Department of Anatomy and Neurobiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
    J Neurosci 26:6791-802. 2006
    Neurons selective for binocular disparity form the neural substrate for stereoscopic depth perception and are found in several areas of primate visual cortex...
  22. ncbi Perceiving depth in point-light actions
    Jan Vanrie
    Katholieke Universiteit Leuven, Leuven, Belgium
    Percept Psychophys 68:601-12. 2006
    ..Together, the results reveal the perception of depth in point-light figures to be a flexible processinvolving both bottom-up and top-down components...
  23. ncbi Multivoxel pattern selectivity for perceptually relevant binocular disparities in the human brain
    Tim J Preston
    School of Psychology, University of Birmingham, Edgbaston, Birmingham, United Kingdom
    J Neurosci 28:11315-27. 2008
    ..Here, we trace the neural representations mediating depth perception across human brain areas using multivariate analysis methods and high-resolution imaging...
  24. ncbi Dissociation of perception and action unmasked by the hollow-face illusion
    Grzegorz Króliczak
    Department of Psychology, Neuroscience Program, University of Western Ontario, London ON, N6A 5C2, Canada
    Brain Res 1080:9-16. 2006
    ..These results show that the same visual stimulus can have completely opposite effects on conscious perception and visual control of fast action...
  25. ncbi Binocular vision and motion-in-depth
    Julie M Harris
    Vision Laboratory, School of Psychology, University of St Andrews, St Andrews, Fife, KY16 9JP, Scotland, UK
    Spat Vis 21:531-47. 2008
    ..We discuss the evidence obtained in recent years on the extent to which each of them is used in human vision. We also highlight outstanding questions and issues in the field that have yet to be addressed...
  26. ncbi The removal of binocular cues disrupts the calibration of grasping in patients with visual form agnosia
    J J Marotta
    Department of Psychology, University of Western Ontario, London, Canada
    Exp Brain Res 116:113-21. 1997
    ..These results, together with others, suggest that the visuomotor system 'prefers' to use binocular information and uses pictorial cues only as a last resort...
  27. ncbi Independent effects of lighting, orientation, and stereopsis on the hollow-face illusion
    H Hill
    Department of Psychology, University of Stirling, UK
    Perception 22:887-97. 1993
    ..The results are interpreted within the framework of a 2 1/2-dimensional sketch derived from independent modular processing of visual information...
  28. ncbi Range and mechanism of encoding of horizontal disparity in macaque V1
    S J D Prince
    University Laboratory of Physiology, Oxford OX1 3PT, United Kingdom
    J Neurophysiol 87:209-21. 2002
    ..Such a size-disparity correlation is potentially useful for the solution of the correspondence problem...
  29. ncbi Perception of three-dimensional shape from specular highlights, deformations of shading, and other types of visual information
    J Farley Norman
    Department of Psychology, Western Kentucky University
    Psychol Sci 15:565-70. 2004
    ....
  30. ncbi The association between nonstrabismic anisometropia, amblyopia, and subnormal binocularity
    D R Weakley
    Department of Ophthalmology, The University of Texas Southwestern Medical Center at Dallas, Dallas, Texas
    Ophthalmology 108:163-71. 2001
    ....
  31. ncbi Geometric and perceptual effects of the location of the observer vantage point for linear-perspective images
    Dejan Todorovic
    Laboratory of Experimental Psychology, Department of Psychology, University of Belgrade, Cika Ljubina 18 20, 11000 Belgrade, Serbia
    Perception 34:521-44. 2005
    ..This mismatch of vanishing points provides visual information that the elements of the two architectures are not mutually parallel...
  32. ncbi Depth in box spaces
    Sylvia C Pont
    π lab, Industrial Design, Delft University of Technology, Landbergstraat 15, 2628 CE Delft, The Netherlands
    Seeing Perceiving 25:339-49. 2012
    ..Thus observers ignore 'veridicality'. This does not fit an 'inverse optics' model. We discuss a model of 'vision as optical user interface'...
  33. ncbi Seeing in 3-d with just one eye: stereopsis without binocular vision
    Dhanraj Vishwanath
    University of St Andrews
    Psychol Sci 24:1673-85. 2013
    ..These results challenge the conventional understanding of the underlying cause, variation, and functional role of stereopsis. ..
  34. ncbi Topographical representation of binocular depth in the human visual cortex using fMRI
    Holly Bridge
    Centre for Functional Magnetic Resonance Imaging of the Brain, Department of Clinical Neurology, University of Oxford, Oxford, UK
    J Vis 7:15.1-14. 2007
    ..Although there are considerable differences in the experimental approach, our fMRI results are broadly consistent with primate neurophysiology showing responses to anticorrelated disparity in V1 neurons...
  35. pmc Defining real change in measures of stereoacuity
    Wendy E Adams
    Department of Ophthalmology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Ophthalmology 116:281-5. 2009
    ..To establish the thresholds for "real change" in stereoacuity by defining long-term test-retest variability as 95% limits of agreement for 4 stereoacuity tests...
  36. ncbi The hollow-face illusion: object-specific knowledge, general assumptions or properties of the stimulus?
    Harold Hill
    Human Information Science Laboratories, Atri, Keihanna Science City, 2 2 2 Hikaridai, Seika cho, Soraku gun, Kyoto 619 0288, Japan
    Perception 36:199-223. 2007
    ..We argue that the illusion arises owing to a convexity preference when the raw data have ambiguous interpretations. However, using a familiar object with typical orientation, shading, and pigmentation greatly enhances the effect...
  37. ncbi Matching and correlation computations in stereoscopic depth perception
    Takahiro Doi
    Graduate School of Frontier Biosciences, Osaka University, Toyonaka, Osaka, Japan
    J Vis 11:1. 2011
    ..We conclude that matching computation dominates fine depth perception, while both computations contribute to coarser depth perception...
  38. ncbi Binocular depth perception and the cerebral cortex
    Andrew J Parker
    Department of Physiology, Anatomy and Genetics, Sherrington Building, Parks Road, Oxford, OX1 3PT, UK
    Nat Rev Neurosci 8:379-91. 2007
    ..Probing the roles of binocular neurons in different perceptual tasks has advanced our understanding of the stages within the visual cortex that lead to binocular depth perception.
  39. pmc Neural computations underlying depth perception
    Akiyuki Anzai
    Dept of Brain and Cognitive Sciences, Center for Visual Science, University of Rochester, NY 14627, United States
    Curr Opin Neurobiol 20:367-75. 2010
    Neural mechanisms underlying depth perception are reviewed with respect to three computational goals: determining surface depth order, gauging depth intervals, and representing 3D surface geometry and object shape...
  40. ncbi The relationship between stereopsis and visual acuity after occlusion therapy for amblyopia
    Se Youp Lee
    Department of Ophthalmology, Jules Stein Eye Institute, University of California Los Angeles School of Medicine, Los Angeles, California 90095, USA
    Ophthalmology 110:2088-92. 2003
    ..To investigate the relationship between visual acuity (VA) and stereoacuity after occlusion therapy in patients with various types of amblyopia...
  41. ncbi Moving shadows contribute to the corridor illusion in a chimpanzee (Pan troglodytes)
    Tomoko Imura
    Section of Language and Intelligence, Primate Research Institute, Kyoto University, Aichi, Japan
    J Comp Psychol 123:280-6. 2009
    ..These findings suggest that moving shadows and linear perspective contributed to the corridor illusion in a chimpanzee...
  42. ncbi Critical periods and amblyopia
    N W Daw
    Department of Ophthalmology and Visual Science, Yale University Medical School, New Haven, Conn, USA
    Arch Ophthalmol 116:502-5. 1998
    ..This article summarizes the current extent of our knowledge and points to the gaps that need to be filled...
  43. ncbi The clinical course of intermittent exotropia
    Robert P Rutstein
    School of Optometry, University of Alabama at Birmingham, 1716 University Boulevard, Birmingham, AL 35294 0010, USA
    Optom Vis Sci 80:644-9. 2003
    ..To report the clinical course for patients with intermittent exotropia...
  44. ncbi The effects of field of view on the perception of 3D slant from texture
    James T Todd
    Department of Psychology, The Ohio State University, 142 Townshend Hall, Columbus, OH 43210, USA
    Vision Res 45:1501-17. 2005
    ....
  45. ncbi Depth cue reliance in surgeons and medical students
    J Shah
    Academic Surgical Unit, Imperial College School of Medicine, St Mary s Hospital, 10th Floor, QEQM Building, Praed Street, London W2 1NY, United Kingdom
    Surg Endosc 17:1472-4. 2003
    b>Depth perception is reduced in endoscopic surgery, although little is known about the effect this has on surgical performance.
  46. ncbi Visuomotor adaptation changes stereoscopic depth perception and tactile discrimination
    Robert Volcic
    Center for Neuroscience and Cognitive Istituto Italiano di Tecnologia, Rovereto 38068, Italy, Department of Life Science, University of Trieste, Trieste 34128, Italy, Department of Psychology, Universita degli Studi di Firenze, Firenze 50135, Italy, Department of Neurobiology, Harvard Medical School, Boston, Massachusetts 02115, and Department of Cognitive, Linguistic and Psychological Sciences, Brown University, Providence, Rhode Island 02912
    J Neurosci 33:17081-8. 2013
    ..Here we show that the brain's representation of the arm indeed powerfully modulates depth perception, and that this internal calibration can be quickly updated...
  47. ncbi Vision substitution and depth perception: early blind subjects experience visual perspective through their ears
    Laurent Renier
    Neural Rehabilitation Engineering Laboratory, Institute of Neuroscience, Universite Catholique de Louvain, UCL 54 46, B 1200, Brussels, Belgium
    Disabil Rehabil Assist Technol 5:175-83. 2010
    ..Although visual experience influences the way we perceive the external world, little is known about the effects of SS experience...
  48. ncbi Ordinal configural cues combine with metric disparity in depth perception
    Johannes Burge
    Vision Science Program, University of California, Berkeley, CA, USA
    J Vis 5:534-42. 2005
    ..We investigated whether the geometrically ordinal cues of familiarity and convexity influence depth perception when unambiguous metric information is provided by binocular disparity...
  49. ncbi Vergence in reverspective: percept-driven versus data-driven eye movement control
    Michael Wagner
    Ariel University Center of Samaria, Ariel, Israel
    Neurosci Lett 449:142-6. 2009
    ....
  50. ncbi Depth of monocular elements in a binocular scene: the conditions for da Vinci stereopsis
    Michael Cook
    Australian National University, School of Psychology, Canberra, ACT, Australia
    J Exp Psychol Hum Percept Perform 30:92-103. 2004
    ..The findings provide clear support for the existence of a process of da Vinci Stereopsis, but one more sophisticated than the one proposed by K. Nakayama and S. Shimojo (1990)...
  51. ncbi Saccadic behavior during the response to pure vergence stimuli
    John Semmlow
    Robert Wood Johnson Medical School and Rutgers University, Piscataway, New Jersey 08855, USA
    Conf Proc IEEE Eng Med Biol Soc 2007:4854-7. 2007
    ..The factors that lead to symmetry errors and subsequent compensatory mechanisms are described, quantified, and discussed...
  52. ncbi Perceptual depth synthesis in the visual system as revealed by selective adaptation
    L Poom
    Department of Psychology, Uppsala University, Sweden
    J Exp Psychol Hum Percept Perform 25:504-17. 1999
    ..A mechanism of independent channels for relative depth perception is dismissed in favor of a view of an asymmetrical interactive processing of different information sources...
  53. ncbi Daily mixed visual experience that prevents amblyopia in cats does not always allow the development of good binocular depth perception
    Donald E Mitchell
    Department of Psychology, Dalhousie University, Halifax, NS, Canada
    J Vis 9:22.1-7. 2009
    ..that their responses to interocular differences in phase were not reliable suggesting that their binocular depth perception may not be normal...
  54. ncbi Cue conflict between disparity change and looming in the perception of motion in depth
    Esther G González
    Department of Ophthalmology and Vision Sciences, University of Toronto, Ont, Canada M5T 2S8
    Vision Res 50:136-43. 2010
    ..When looming and disparity are in conflict, looming is the stronger cue...
  55. ncbi fMRI reveals a preference for near viewing in the human parieto-occipital cortex
    D J Quinlan
    Neuroscience Program, Social Science Centre, The University of Western Ontario, London, Ontario, Canada N6A 5C2
    Neuroimage 36:167-87. 2007
    ..dPOS seems to reflect the status of the near response (perhaps driven largely by vergence angle) and may provide areas in the dorsal visual stream with spatial information useful for guiding actions toward targets in depth...
  56. ncbi Paired and unpaired features can be equally effective in human depth perception
    Michael J Pianta
    School of Psychology, The University of New South Wales, Sydney 2052, Australia
    Vision Res 43:1-6. 2003
    ..We found strikingly that depth thresholds for the two gap conditions were the same and that there was perfect cross-adaptation of perceived depth from the unpaired to paired condition, strongly suggesting a common mechanism...
  57. pmc Edge-region grouping in figure-ground organization and depth perception
    Stephen E Palmer
    Department of Psychology, University of California, Berkeley, CA 94720 1650, USA
    J Exp Psychol Hum Percept Perform 34:1353-71. 2008
    ..We argue that grouping processes mediate at least some of the effects we report here, although ecological explanations are also likely to be relevant in the majority of cases...
  58. ncbi Greater depth seen with phantom stereopsis is coded at the early stages of visual processing
    Hiroyuki Mitsudo
    Centre for Vision Research, York University, 4700 Keele Street, Toronto, Ont, Canada M3J 1P3
    Vision Res 45:1365-74. 2005
    ..These results are consistent with the idea that the greater depth seen with phantom stereopsis is coded at the early stages of visual processing...
  59. ncbi Monocular gap stereopsis: manipulation of the outer edge disparity and the shape of the gap
    Michael J Pianta
    School of Psychology, The University of New South Wales, Sydney, New South Wales 2052, Australia
    Vision Res 43:1937-50. 2003
    ..Both these experiments imply that the visual system responds to the ambiguity of the stimulus by adopting a minimum slant constraint...
  60. ncbi Quantitative depth for a phantom surface can be based on cyclopean occlusion cues alone
    B Gillam
    School of Psychology, University of New South Wales, Sydney, Australia
    Vision Res 39:109-12. 1999
    ..We attribute the quantitative variation of depth to a purely cyclopean (binocular) process sensitive to the pattern of contour presence and absence in the two eye's view...
  61. ncbi Phantom surface captures stereopsis
    J Hakkinen
    Department of Psychology, General Psychology Division, University of Helsinki, P O Box 13, 00014 Helsinki, Finland
    Vision Res 41:187-99. 2001
    ..Because conventional stereoscopic matching is strongly affected by half-occlusion processing, we suggest that half-occlusion processing is an integral part of the early stereoscopic processing and solving of the correspondence problem...
  62. ncbi Depth perception from pairs of overlapping cues in pictorial displays
    Birgitta Dresp
    Laboratoire des Systèmes BioMécaniques et Cognitifs, Ecole Nationale Supérieure de Physique, IMF, UMR 7507 CNRS Université Louis Pasteur, Illkirch, Strasbourg, France
    Spat Vis 15:255-76. 2002
    ..Varying the exposure duration of the stimuli shows that the more balanced bipole competition in the X-junction case takes longer exposures to resolve than the bipole competition in the T-junction case (Experiment 3)...
  63. pmc Early computational processing in binocular vision and depth perception
    Jenny Read
    NIH, 49 2A50 Convent Drive, Bethesda, MD 20892 4435, USA
    Prog Biophys Mol Biol 87:77-108. 2005
    Stereoscopic depth perception is a fascinating ability in its own right and also a useful model of perception. In recent years, considerable progress has been made in understanding the early cortical circuitry underlying this ability...
  64. ncbi The interaction of binocular disparity and motion parallax in the computation of depth
    M F Bradshaw
    Department of Psychology, University of Surrey, Guildford, U K
    Vision Res 36:3457-68. 1996
    ....
  65. ncbi Detectability of sine- versus square-wave disparity gratings: A challenge for current models of depth perception
    Fredrik Allenmark
    Institute of Neuroscience, Newcastle University, UK
    J Vis 10:17. 2010
    ..one such model, closely based on the known physiology and able to explain important aspects of human stereo depth perception. Here, we show that it predicts important differences in the ability to detect disparity gratings with square-..
  66. ncbi The processing of stereoscopic information in human visual cortex: psychophysical and electrophysiological evidence
    W Skrandies
    Institute of Physiology, Justus Liebig University, Aulweg 129, 35392 Giessen, Germany
    Clin Electroencephalogr 32:152-9. 2001
    Three-dimensional depth perception relies in part on the binocular fusion of horizontally disparate stimuli presented to the left and right eye...
  67. ncbi Listing's plane rotation with convergence: role of disparity, accommodation, and depth perception
    Z Kapoula
    Laboratoire de Physiologie de la Perception et de l Action, UMR 9950 CNRS College de France, Paris
    Exp Brain Res 126:175-86. 1999
    ..conditions, accommodative vergence, disparity-vergence, combinations of disparity with accommodation or depth perception were used and the resulting rotation of Listing's plane was measured...
  68. ncbi Stereopsis based on monocular gaps: metrical encoding of depth and slant without matching contours
    B Gillam
    School of Psychology, University of New South Wales, Sydney, Australia
    Vision Res 39:493-502. 1999
    ....
  69. ncbi Integration of structure-from-motion and symmetry during surface perception
    Matthias S Treder
    Donders Institute for Brain, Cognition, and Behaviour, Radboud University Nijmegen, Montessorilaan 3, Nijmegen, The Netherlands
    J Vis 10:5.1-17. 2010
    ....
  70. ncbi Neuronal computation of disparity in V1 limits temporal resolution for detecting disparity modulation
    Hendrikje Nienborg
    Laboratory of Sensorimotor Research, National Eye Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
    J Neurosci 25:10207-19. 2005
    ..Because this principle holds whenever a broadband input is bandpass filtered before computing correlation, it may limit the resolution of other neuronal systems...
  71. ncbi Perceiving self-motion in depth: the role of stereoscopic motion and changing-size cues
    S Palmisano
    School of Psychology, University of New South Wales, Kensington, Australia
    Percept Psychophys 58:1168-76. 1996
    ..Rather, it was concluded that both stereoscopic and changing-size cues provide additional motion-in-depth information that is used in perceiving self-motion...
  72. ncbi Representation of stereoscopic edges in monkey visual cortex
    R von der Heydt
    Krieger Mind Brain Institute, 3400 North Charles Street, Johns Hopkins University, Baltimore, MD 21218, USA
    Vision Res 40:1955-67. 2000
    ..We concluded that stereoscopic edges are explicitly represented in area V2...
  73. ncbi The development of depth perception from motion parallax in infancy
    Elizabeth Nawrot
    Department of Psychology, Minnesota State University, Moorhead, Minnesota 56563, USA
    Atten Percept Psychophys 71:194-9. 2009
    ..Dishabituation results indicate that infants may be sensitive to unambiguous depth from motion parallax by 16 weeks of age. Implications for the developmental sequence of depth from motion, stereopsis, and eye movements are discussed...
  74. ncbi Recognizing faces defined by texture gradients
    Chang Hong Liu
    Department of Psychology, University of Hull, Hull, England
    Percept Psychophys 67:158-67. 2005
    ..Although this performance was much poorer than the performance based entirely on shape-from-shading stimuli (Experiment 3), the results suggest that texture gradient information may be used to recover surface geometry of complex objects...
  75. ncbi Temporal dependencies in resolving monocular and binocular cue conflict in slant perception
    R S Allison
    Centre for Vision Research, York University, Ont, M3J 1P3, Toronto, Canada
    Vision Res 40:1869-85. 2000
    ..These results indicate that conflicting perspective information plays a dominant role in determining the temporal properties of perceived slant and inclination...
  76. ncbi Learning Bayesian priors for depth perception
    David C Knill
    Center for Visual Science, University of Rochester, Rochester, NY, USA
    J Vis 7:13. 2007
    ..We describe a Bayesian model for combining multiple visual cues to adapt the priors underlying pictorial depth cues that qualitatively accounts for the observed behavior...
  77. ncbi A specialization for vertical disparity discontinuities
    Ignacio Serrano-Pedraza
    Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, UK
    J Vis 10:2.1-25. 2010
    ..However, vertical disparities also occur, and can influence depth perception. The classic example is Ogle's induced effect (K. N...
  78. ncbi Second-order motion conveys depth-order information
    Jay Hegdé
    The Salk Institute for Biological Studies, La Jolla, CA, USA
    J Vis 4:838-42. 2004
    ....
  79. ncbi Neural substrates for depth perception of the Necker cube; a functional magnetic resonance imaging study in human subjects
    T Inui
    Graduate School of Informatics, Kyoto University, Yoshida Honmachi, Sakyo ku, Kyoto, Japan
    Neurosci Lett 282:145-8. 2000
    We have studied the cerebral activity for the depth perception of the Necker cube by functional magnetic resonance imaging...
  80. ncbi What is the depth of a sinusoidal grating?
    Suzanne P McKee
    Smith Kettlewell Eye Research Institute, San Francisco, CA, USA
    J Vis 4:524-38. 2004
    ..We conclude that stereo matching of gratings (or any other texture) depends on a combination of responses in both coarse-scale second-order and fine-scale first-order disparity mechanisms...
  81. ncbi Depth perception in virtual reality: distance estimations in peri- and extrapersonal space
    C Armbruster
    Department of Computer Science, University of Applied Science, Sankt Augustin, Germany
    Cyberpsychol Behav 11:9-15. 2008
    The present study investigated depth perception in virtual environments...
  82. ncbi Responses of primary visual cortical neurons to binocular disparity without depth perception
    B G Cumming
    University Laboratory of Physiology, Oxford, UK
    Nature 389:280-3. 1997
    ..b>Depth perception requires that image features on one retina are first matched with appropriate features on the other retina...
  83. pmc Fine discrimination training alters the causal contribution of macaque area MT to depth perception
    Syed A Chowdhury
    Department of Anatomy and Neurobiology, Washington University School of Medicine, St Louis, MO 63110, USA
    Neuron 60:367-77. 2008
    ..These findings show that the contribution of particular brain area to task performance can change dramatically as a result of learning new tasks...
  84. ncbi The processing of three-dimensional shape from disparity in the human brain
    Svetlana Georgieva
    Laboratorium voor Neurofysiologie en Psychofysiologie, Katholieke Universiteit te Leuven, Faculteit Geneeskunde, Leuven, Belgium
    J Neurosci 29:727-42. 2009
    ..Interestingly, activity in these occipital regions correlates with the depth amplitude perceived by the subjects in the 3D surfaces used as stimuli in these fMRI experiments...
  85. ncbi Human cortical activity correlates with stereoscopic depth perception
    B T Backus
    Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6196, USA
    J Neurophysiol 86:2054-68. 2001
    Stereoscopic depth perception is based on binocular disparities. Although neurons in primary visual cortex (V1) are selective for binocular disparity, their responses do not explicitly code perceived depth...
  86. ncbi Representation of perceived object shape by the human lateral occipital complex
    Z Kourtzi
    Department of Brain and Cognitive Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
    Science 293:1506-9. 2001
    ..These data indicate that the LOC represents not simple image features, but rather higher level shape information...
  87. ncbi Extracting 3D from motion: differences in human and monkey intraparietal cortex
    W Vanduffel
    Laboratorium voor Neuro en Psychofysiologie, Katholieke Universiteit Leuven, Campus Gasthuisberg, Herestraat 49, Leuven B 3000, Belgium
    Science 298:413-5. 2002
    ..In contrast, intraparietal areas showed significant 3D-SFM activation in humans but not in monkeys. This suggests that human intraparietal cortex contains visuospatial processing areas that are not present in monkeys...
  88. pmc Anterior regions of monkey parietal cortex process visual 3D shape
    Jean Baptiste Durand
    Lab Neuro en Psychofysiologie, K U Leuven, Medical School, Campus Gasthuisberg, Herestraat 49, B 3000, Leuven, Belgium
    Neuron 55:493-505. 2007
    ..These results indicate that extracting 3D spatial information from stereo involves several intraparietal areas, among which AIP and anterior LIP are more specifically engaged in extracting the 3D shape of objects...
  89. ncbi Neural encoding of binocular disparity: energy models, position shifts and phase shifts
    D J Fleet
    Dept of Computing Information Science, Queen s University, Kingston, Canada
    Vision Res 36:1839-57. 1996
    ..We propose that linear pooling of the binocular responses across orientations and scales (spatial frequency) is capable of producing an unambiguous representation of disparity...
  90. ncbi 3D shape perception from combined depth cues in human visual cortex
    Andrew E Welchman
    Max Planck Institute for Biological Cybernetics, Postfach 2169, 72012 Tübingen, Germany
    Nat Neurosci 8:820-7. 2005
    ..These findings provide insight into the neural circuits engaged when the human brain combines different information sources for unified 3D visual perception...
  91. ncbi The role of saccades in exerting voluntary control in perceptual and binocular rivalry
    Loes C J van Dam
    Helmholtz Institute, Utrecht University, Princetonplein 5, 3584 CC Utrecht, The Netherlands
    Vision Res 46:787-99. 2006
    ....
  92. ncbi Shape-selective stereo processing in human object-related visual areas
    Sharon Gilaie-Dotan
    Department of Computer Science, Weizmann Institute of Science, Rehovot, Israel
    Hum Brain Mapp 15:67-79. 2002
    ..Furthermore, they show a significant correlation between recognition and fMRI signal in the object-related occipito-temporal cortex (lateral occipital complex)...
  93. ncbi First-order and second-order motion: neurological evidence for neuroanatomically distinct systems
    Lucia M Vaina
    Department of Biomedical Engineering, Brain and Vision Research Laboratory, Boston University, Department of Neurology, Harvard Medical School, Boston, MA 02215, USA
    Prog Brain Res 144:197-212. 2004
    ..The data reported here also suggest that different cortical regions may be in charge of processing direction-discrimination in second-order motion defined by different second-order attributes...
  94. pmc The zone of comfort: Predicting visual discomfort with stereo displays
    Takashi Shibata
    Vision Science Program, University of California, Berkeley, CA, USA
    J Vis 11:11. 2011
    ..We discuss the relevance of these findings for a wide variety of situations including the viewing of mobile devices, desktop displays, television, and cinema...
  95. ncbi Cortical areas related to attention to 3D surface structures based on shading: an fMRI study
    M Taira
    Department of Physiology, Nihon University School of Medicine, Tokyo, 173 8610, Japan
    Neuroimage 14:959-66. 2001
    ..These results strongly suggest that the intraparietal area plays an important role in perception of the 3D structure of a surface, even when based only on monocular depth cues without binocular disparity cues...
  96. ncbi Perception of the corridor illusion by baboons (Papio papio)
    Isabelle Barbet
    Center for Research in Cognitive Neurosciences CNRS, 31 Chemin Joseph Aiguier, 13402 Marseille Cedex 20, France
    Behav Brain Res 132:111-5. 2002
    ..Findings demonstrate that the baboons are sensitive to the corridor illusion...
  97. ncbi Moving cast shadows induce apparent motion in depth
    D Kersten
    Psychology Department, University of Minnesota, Minneapolis 55455, USA
    Perception 26:171-92. 1997
    ..The results support the hypothesis that the human visual system incorporates a stationary light-source constraint in the perceptual processing of spatial layout of scenes...
  98. ncbi Convergence of depth from texture and depth from disparity in macaque inferior temporal cortex
    Yan Liu
    Laboratorium voor Neuro en Psychofysiologie, Katholieke Universiteit Leuven Medical School, Campus Gasthuisberg, B3000 Leuven, Belgium
    J Neurosci 24:3795-800. 2004
    ..Furthermore, the tilt preference was invariant over different types of textures and slants, suggesting an abstract representation of surface tilt in ventral visual cortex...
  99. ncbi The use of vergence information in the programming of prehension
    M Mon-Williams
    School of Psychology, University of St Andrews, St Andrews, Fife, KY16 9JU, Scotland
    Exp Brain Res 128:578-82. 1999
    ..Perturbing vergence caused predictable changes in the kinematics of prehension. Our results thus provide clear evidence that the nervous system uses vergence information in the programming of prehensile movement...
  100. ncbi Surface orientation, modulation frequency and the detection and perception of depth defined by binocular disparity and motion parallax
    Mark F Bradshaw
    Department of Psychology, University of Surrey, Guildford, Surrey, GU2 7XH, UK
    Vision Res 46:2636-44. 2006
    ..These results reveal clear differences between the perception of depth from binocular disparity or motion parallax, and between perception at threshold and supra-threshold levels of performance...
  101. pmc Solving da Vinci stereopsis with depth-edge-selective V2 cells
    Andrew Assee
    Center for Neurobiology and Behavior and Department of Physiology and Cellular Biophysics, Columbia University, 1051 Riverside Drive, Box 87, Kolb Research Annex, Room 519, New York, NY 10032, USA
    Vision Res 47:2585-602. 2007
    ....

Research Grants62

  1. Genetic Etiologies of Horizontal Strabismus
    Elizabeth C Engle; Fiscal Year: 2013
    ..worldwide and 6-12 million people in the United States, and can reduce vision in one or both eyes, impair depth perception, and disturb interpersonal interactions and self-esteem...
  2. Visual Processing and Smooth Eye Movements
    Michael J Mustari; Fiscal Year: 2012
    ..Furthermore, to achieve maximum visual acuity and depth perception, we must be able to hold our eyes steady on a stationary or moving target...
  3. Super-Zoom Endoscope (SuZE)
    MIKHAIL A GUTIN; Fiscal Year: 2010
    ..The optional stereo imaging capability of the SuZE endoscope will improve depth perception and allow for instruments reaching the site for examination or treatment faster and less invasively...
  4. SENSIMMER? Virtual Phaco Trainer for Cataract Surgery
    P Banerjee; Fiscal Year: 2009
    ..Real-time deformability modeling for the anterior capsule is needed to provide a better depth perception. d) Surgeon operating posture and microscope simulation...
  5. Mechanisms limiting visual performance in retinal degenerations
    JAMES JASON MCANANY; Fiscal Year: 2010
    ..Because contrast processing forms the basis for form, motion, and depth perception, evaluation of CS can provide a sensitive assessment of visual performance deficits...
  6. Mechanisms of Avian Visual Perception, Cognition, and Action
    Robert G Cook; Fiscal Year: 2013
    ..in these species;2) examining the processing of surface shading and its contributions to object and depth perception;3) examining edge and figural grouping processes in shape perception;and 4) examining the mechanisms of ..
  7. Real-time MRI-guided RF Ablation of Cardiac TachyArrhythmias
    Orhan Unal; Fiscal Year: 2010
    ..Limitations with XRF include poor soft-tissue contrast and poor depth perception due to 2D projection imaging...
  8. Disparity Processing in Human Visual Cortex
    Anthony M Norcia; Fiscal Year: 2013
    ..understood and it has only recently been appreciated that 3D-specific motion signals also contribute to depth perception. It is shown here for the first time, that these 3D motion cues provide an important input to vergence eye ..
  9. Accomodation influences in strabismus
    Anand C Joshi; Fiscal Year: 2013
    ..in which the visual axes of the two eyes are not aligned resulting in loss of binocular stereopsis and depth perception. It is estimated that about 4% of all children have some form of strabismus making it a significant public ..
  10. A new approach to restoring visual acuity and stereopsis in adults and children w
    DENNIS MICHAEL LEVI; Fiscal Year: 2013
    ..reality training, which capitalizes on our previous work on how monocular and stereo cues combine to support depth perception, may promote fusion and stereopsis...
  11. Bayesian computations in human 3D visual perception
    David C Knill; Fiscal Year: 2011
    ..elucidate the types of statistical inferences that are built into the neural computations underlying visual depth perception and define the limits of these computations...
  12. Motion processing with two eyes in three dimensions
    Adam Kohn; Fiscal Year: 2013
    ..Despite large literatures motion and depth perception, there is a surprising lack of knowledge integrating these two visual features to directly characterize how ..
  13. Stereoscopic motion-in-depth perception: fMRI and neurophysiological studies
    PAUL DOUGLAS GAMLIN; Fiscal Year: 2010
    ....
  14. Neural Basis of Depth Perception
    Gregory C DeAngelis; Fiscal Year: 2013
    ..such as binocular disparity, motion parallax, and texture), our understanding of the neural mechanisms of depth perception remains very incomplete...
  15. Recovery of Stereopsis in Age-Related Macular Degeneration
    Preeti Verghese; Fiscal Year: 2013
    ..coordination and grasping, consistent with data showing that the majority of individuals with AMD have little depth perception. Stereopsis can be impaired when the two eyes have very disparate patterns of vision loss, particularly when ..
  16. The development of depth perception from motion parallax in human infants
    ELIZABETH SHANNON NAWROT; Fiscal Year: 2009
    ..by applicant): The broad goal of this research is to examine the normal course of the development of depth perception and motion processing in infancy...
  17. DEVELOPMENT OF VISUAL DEPTH PERCEPTION IN HUMANS
    CARL GRANRUD; Fiscal Year: 1990
    This project will investigate the development of visual depth perception in human infants. It has two main goals. The first is to determine whether depth perception is present in newborn infants...
  18. VISUAL ABNORMALITIES IN MULTIPLE SCLEROSIS
    David Regan; Fiscal Year: 1993
    ..and/or read motion-defined letters while sparing sensitivity to local or to global motion, color vision, fine depth perception, and the ability to read contrast-defined letters of high and low contrast (i.e...
  19. CatheterScope for Intraluminal Image of Early.Neoplasia
    Eric Seibel; Fiscal Year: 2006
    ..the prototype catheter scope are its high flexibility, small diameter, variable resolution imaging, enhanced depth perception using stereo-pair detectors, and enhanced image contrast using laser-induced fluorescence, and polarization ..
  20. CatheterScope for Intraluminal Image of Early.Neoplasia
    Eric Seibel; Fiscal Year: 2003
    ..the prototype catheter scope are its high flexibility, small diameter, variable resolution imaging, enhanced depth perception using stereo-pair detectors, and enhanced image contrast using laser-induced fluorescence, and polarization ..
  21. PATTERN PERCEPTION IN EARLY INFANCY
    Louise Hainline; Fiscal Year: 1980
    ..pattern perception, and in the perception of texture and texture gradients, which are felt to play a role in depth perception. Analysis of eye movements (optokinetic nystagmus) to drifting gratings is also being examined as a possible ..
  22. Advanced Endoscopic Display Technology
    MICHELLE SIMKULET; Fiscal Year: 2006
    ..field, we propose to utilize our C-View technology to present the clinician with a field of view with depth perception and true spatial configuration...
  23. VISUOMOTOR COORDINATION: NEURAL NETWORKS & SCHEMAS
    Michael Arbib; Fiscal Year: 1991
    ..It has thus served as a testbed for studies of pattern recognition, depth perception, cooperative computation, obstacle avoidance, and simple forms of learning...
  24. STEREOPSIS
    Margaret Livingstone; Fiscal Year: 2001
    ..Like color vision, stereoscopic depth perception is frequently defective in humans, but unlike most forms of color blindness, defects in stereopsis must be ..
  25. Spatial Integration of V1 Horizontal Disparity Signals
    JASON SAMONDS; Fiscal Year: 2009
    ..Understanding how early disparity signals are integrated will allow us to understand how complex depth perception evolves through the visual system...
  26. Visual Cognition and Daily Function in AD and PD
    Karen Sullivan; Fiscal Year: 2007
    ..real-world search task is proposed that investigates how perceptual factors such as contrast sensitivity and depth perception affect the ability to detect a target object...
  27. NEONATAL BRAIN DAMAGE AND VISION
    Paul Cornwell; Fiscal Year: 1980
    ..or in adulthood are being tested for pattern discrimination in three different test situations, and their depth perception and visual acuity is being assessed...
  28. Development and Maintenance of Binocular Vision (EY005236)
    EILEEN ELIZABETH BIRCH; Fiscal Year: 2010
    ....
  29. OMEGA-3 FATTY ACIDS IN NORMAL VISUAL DEVELOPMENT
    Eileen Birch; Fiscal Year: 2003
    ..By relating long-term outcomes to visual cortical function during infancy, we will directly evaluate the predictive of early visual tests for long-term cognitive outcomes. ..
  30. VISUAL COMPUTATIONS FOR MOTOR CONTROL
    DAVID KNILL; Fiscal Year: 2009
    ....
  31. PERCEPTUAL REPRESENTATION OF 3D SURFACES
    James Todd; Fiscal Year: 2001
    ....
  32. The Organization of Suppression in Human Visual Cortex
    Suzanne McKee; Fiscal Year: 2008
    ..The multidimensional experimental design allows isolation of neural mechanisms utilized by perception, working memory, memory encoding, and recall. [unreadable] [unreadable]..
  33. STEREOACUITY AND BINOCULAR CORRESPONDENCE
    Suzanne McKee; Fiscal Year: 2006
    ..These studies of normal observers will provide basic knowledge about normal stereopsis, a prerequisite for understanding abnormalities of the binocular system [unreadable] [unreadable]..
  34. Objective Assessment of Suppression in Amblyopia
    Suzanne McKee; Fiscal Year: 2003
    ..The proposed test could assist with the diagnosis of amblyopia in infancy, as well as in monitoring progress during treatment, thereby improving the chance of a favorable outcome. ..
  35. 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. ..
  36. EYE MOVEMENTS IN THE PERCEPTION OF DEPTH FROM MOTION
    Mark Nawrot; Fiscal Year: 2002
    ..The addition of an eye movement signal would expand the scope of the model to include motion parallax and its various interactions with binocular stereopsis. ..
  37. The Role of Areas V1 and V2 in Target Selection
    Peter Schiller; Fiscal Year: 2008
    ..abstract_text> ..
  38. NEURAL CONTROL OF VISUALLY GUIDED EYE MOVEMENTS
    Peter Schiller; Fiscal Year: 2007
    ..abstract_text> ..
  39. PARALLEL INFORMATION PROCESSING OF THE VISUAL SYSTEM
    Peter Schiller; Fiscal Year: 2002
    ..The proposed work has important clinical relevance as it will serve characterize the functions of various visual cortical areas. ..
  40. Long-range processing in dorsal-occipital cortex
    Christopher Tyler; Fiscal Year: 2005
    ..The final project will introduce a clinical component, quantifying symmetry-blindness in neurological patients with relevant lesions, together with comparison studies in matched controls. ..
  41. The role of object-based attention in motion perception
    Thomas Papathomas; Fiscal Year: 2004
    ..If attention is involved in surface formation, the normally global MAE direction will change to local when attention is distracted by a foveal task during adaptation. ..
  42. Structure of the Human Cortical Depth Map
    Christopher Tyler; Fiscal Year: 2004
    ..The mapping results will be validated by functional studies of the susceptibility of each cortical area to depth variations and of the time course depth adaptation, and also for insensitivity to contrast variations. ..
  43. Binocular matching and disparity vergence.
    Scott Stevenson; Fiscal Year: 2003
    ..The long-term benefit of this research will be improvements in the diagnosis and treatment of binocular visual disorders of eye alignment and depth perception.
  44. Short-term Training Students-Health Professional Schools
    KENNETH CIUFFREDA; Fiscal Year: 2006
    ..Trainees will consist of optometry students who have just completed either their first or second professional years, and have done well academically (3.5 gpa or better). All will have an undergraduate degree, generally in the sciences. ..
  45. Vision in One, Two, and Three Dimensions
    Bart Farell; Fiscal Year: 2009
    ..Stereoscopic depth perception depends on the slight disparities (position shifts) between the retinal images of the left and right eyes...
  46. OUTCOME MEASURES FOR CLINICAL TRIALS IN STRABISMUS
    Jonathan Holmes; Fiscal Year: 2008
    ..Ultimately this research will result in better quality of life for patients with strabismus. ..
  47. Improved Acoustic Detection of Coronary Blockages
    John Semmlow; Fiscal Year: 2005
    ..Specifically, a successful outcome of Phase I will be the ability to detect blockages of 30% to 85% with a sensitivity greater than > 90 % and a specificity greater than 80% in a retrospective data analysis. ..
  48. PATHOGENESIS OF RETINOPATHY OF PREMATURITY
    Jonathan Holmes; Fiscal Year: 2003
    ....
  49. SELECTIVE ATTENTION TO THE PARTS OF AN OBJECT
    SHAUN VECERA; Fiscal Year: 2002
    ..abstract_text> ..
  50. SEGMENTATION AND INTERPOLATION IN STEREOPSIS AND MOTION
    BARTON ANDERSON; Fiscal Year: 2002
    ..These measurements will be analyzed to determine how surface boundaries are recovered and surface properties such as lightness and transparency is attributed to moving and/or stereoscopic displays. ..
  51. TACTILE PICTURES AND THE VISUALLY IMPAIRED
    MORTON HELLER; Fiscal Year: 2001
    ..A number of illusions which occur in vision will also be investigated when presented tactually. In addition, top down influences as well as context effects will also be studied. ..
  52. EXPERIENCE-DEPENDENT PERCEPTION OF VISUAL DEPTH
    Robert Jacobs; Fiscal Year: 2003
    ..A full understanding of visual depth perception requires an understanding of how information provided by these cues is combined by our visual systems...
  53. NORMAL AND ABNORMAL DEVELOPMENT OF SPATIAL VISION
    Anthony Norcia; Fiscal Year: 2008
    ..This study will also determine whether nasalward/temporal biases previously reported for large field uniform stimuli propagate to the figure/ground segmentation process. ..
  54. Form and Motion Integration
    Anthony Norcia; Fiscal Year: 2008
    ..abstract_text> ..
  55. DEVELOPMENT OF FORM, RIVALRY AND BINOCULARITY
    Anthony Norcia; Fiscal Year: 2003
    ....
  56. Mechanisms of Intermediate Distance Space Perception
    ZIJIANG HE; Fiscal Year: 2007
    ..This approach is not only useful for controlling the experimental stimulation, but will also yield insights into how one can improve the immersive quality of virtual scenes. ..
  57. MONOCULAR DISTANCE PERCEPTION FOR REACHING AND GRASPING
    Geoffrey P Bingham; Fiscal Year: 2010
    ..The knowledge to be gained from this research is essential for formulating effective physical therapies for the elderly or children with DCD, or for learning to use visual aids and prosthetic limbs. ..
  58. COMPUTATION AND PSYCHOPHYSICS OF MOTION AND STEREOPSIS
    Ning Qian; Fiscal Year: 2004
    ..disparity computation to both spatial dimensions, and apply the model to explain the puzzling properties of depth perception from vertical disparity including the well-known induced effect, and the disparity attraction and repulsion ..
  59. COMPUTATION AND PSYCHOPHYSICS OF MOTION AND STEREOPSIS
    Ning Qian; Fiscal Year: 2009
    ..In the past several years, we have created physiologically-based models to account for depth perception from horizontal disparity, vertical disparity, interocular time delay, and motion fields, and have ..
  60. TRAINING IN VISION RESEARCH
    Anthony Norcia; Fiscal Year: 2006
    ..The INRSA component will fund exclusively fellows with U.S. residency certification while the other institutional components will fund both the remaining U.S. and non-U.S. fellows on an equal basis. ..
  61. Attention and Oculomotor Control: Attentional Resolution
    Cathleen Moore; Fiscal Year: 2007
    ..We hypothesize, for example, that transient adaptation of the saccadic system will transfer to the attentional control system and alter observers' attentional resolution. ..