orientation

Summary

Summary: Awareness of oneself in relation to time, place and person.

Top Publications

  1. pmc High-field fMRI unveils orientation columns in humans
    Essa Yacoub
    Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota Medical School, 2021 6th Street SE, Minneapolis, MN 55455, USA
    Proc Natl Acad Sci U S A 105:10607-12. 2008
  2. pmc Sensitivity of MEG and EEG to source orientation
    Seppo P Ahlfors
    MGH HST Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital Harvard Medical School, 149 13th Street, Rm 2301, Charlestown, MA 02129, USA
    Brain Topogr 23:227-32. 2010
  3. pmc GABA concentration is reduced in visual cortex in schizophrenia and correlates with orientation-specific surround suppression
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California, Davis, Davis, California 95817, USA
    J Neurosci 30:3777-81. 2010
  4. pmc Highly selective receptive fields in mouse visual cortex
    Cristopher M Niell
    Department of Physiology, W M Keck Foundation Center for Integrative Neuroscience, University of California, San Francisco, San Francisco, California 94143 0444, USA
    J Neurosci 28:7520-36. 2008
  5. pmc Parvalbumin-expressing interneurons linearly transform cortical responses to visual stimuli
    Bassam V Atallah
    Computational Neurosciences Graduate Program, University of California San Diego, La Jolla, California 92093 0634, USA
    Neuron 73:159-70. 2012
  6. ncbi Conjunctive representation of position, direction, and velocity in entorhinal cortex
    Francesca Sargolini
    Centre for the Biology of Memory, Norwegian University of Science and Technology, 7489 Trondheim, Norway
    Science 312:758-62. 2006
  7. pmc Decoding the visual and subjective contents of the human brain
    Yukiyasu Kamitani
    ATR Computational Neuroscience Laboratories, 2 2 2 Hikaridai, Keihanna Science City, Kyoto 619 0288, Japan
    Nat Neurosci 8:679-85. 2005
  8. pmc Spatial and temporal scales of neuronal correlation in primary visual cortex
    Matthew A Smith
    Center for the Neural Basis of Cognition, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
    J Neurosci 28:12591-603. 2008
  9. ncbi Reward expectation, orientation of attention and locus coeruleus-medial frontal cortex interplay during learning
    Sebastien Bouret
    Neuromodulation et Processus Mnésiques, CNRS UMR 7102, Universite Pierre and Marie Curie, 9 Quai St Bernard, 75005 Paris, France
    Eur J Neurosci 20:791-802. 2004
  10. pmc Broadly tuned response properties of diverse inhibitory neuron subtypes in mouse visual cortex
    Aaron M Kerlin
    Department of Neurobiology, Harvard Medical School, Goldenson 243, 220 Longwood Avenue, Boston, MA 02115, USA
    Neuron 67:858-71. 2010

Research Grants

  1. Response Selection as a Function of Age
    Robert Proctor; Fiscal Year: 2002
  2. NEURAL BASIS OF SPATIAL COGNITION
    JEFFREY TAUBE; Fiscal Year: 2003
  3. NEURAL MECHANISMS OF DIRECTIONAL ORIENTATION
    JEFFREY TAUBE; Fiscal Year: 2004
  4. TRAINING PROGRAM IN DEVELOPMENTAL PSYCHOLOGY
    Janellen Huttenlocher; Fiscal Year: 2008
  5. DEVELOPMENT OF fMRI COMPATIBLE REVERSIBLE DEACTIVATION
    STEPHEN LOMBER; Fiscal Year: 2005
  6. Egocentric reference frames in memory
    David Waller; Fiscal Year: 2005
  7. A Dynamic Process Approach to Cognitive Representation
    John Lipinski; Fiscal Year: 2006
  8. A Spiking Model of Hippocampus for Guiding Behavior
    Michael Hasselmo; Fiscal Year: 2006
  9. The Development of Visual Integration & Attention: A High-Density EEG Study
    Melanie Palomares; Fiscal Year: 2008
  10. Infant-Mother Negotiation of Motor Risk
    KAREN ADOLPH; Fiscal Year: 2006

Detail Information

Publications276 found, 100 shown here

  1. pmc High-field fMRI unveils orientation columns in humans
    Essa Yacoub
    Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota Medical School, 2021 6th Street SE, Minneapolis, MN 55455, USA
    Proc Natl Acad Sci U S A 105:10607-12. 2008
    ..b>Orientation columns in visual cortex are perhaps the best known example of such a functional organization in the brain...
  2. pmc Sensitivity of MEG and EEG to source orientation
    Seppo P Ahlfors
    MGH HST Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital Harvard Medical School, 149 13th Street, Rm 2301, Charlestown, MA 02129, USA
    Brain Topogr 23:227-32. 2010
    ..We quantified computationally the dependency of MEG and EEG on the source orientation using a forward model with realistic tissue boundaries...
  3. pmc GABA concentration is reduced in visual cortex in schizophrenia and correlates with orientation-specific surround suppression
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California, Davis, Davis, California 95817, USA
    J Neurosci 30:3777-81. 2010
    ..We further tested the GABA hypothesis by examining the relationship between visual cortical GABA levels and orientation-specific surround suppression (OSSS), a behavioral measure of visual inhibition thought to be dependent on ..
  4. pmc Highly selective receptive fields in mouse visual cortex
    Cristopher M Niell
    Department of Physiology, W M Keck Foundation Center for Integrative Neuroscience, University of California, San Francisco, San Francisco, California 94143 0444, USA
    J Neurosci 28:7520-36. 2008
    ..neglected in mice perhaps because of their poor spatial acuity and the lack of columnar organization such as orientation maps...
  5. pmc Parvalbumin-expressing interneurons linearly transform cortical responses to visual stimuli
    Bassam V Atallah
    Computational Neurosciences Graduate Program, University of California San Diego, La Jolla, California 92093 0634, USA
    Neuron 73:159-70. 2012
    ..These results indicate that PV cells are ideally suited to modulate cortical gain and establish a causal relationship between a select neuron type and specific computations performed by the cortex during sensory processing...
  6. ncbi Conjunctive representation of position, direction, and velocity in entorhinal cortex
    Francesca Sargolini
    Centre for the Biology of Memory, Norwegian University of Science and Technology, 7489 Trondheim, Norway
    Science 312:758-62. 2006
    ..All cell types were modulated by running speed. The conjunction of positional, directional, and translational information in a single MEC cell type may enable grid coordinates to be updated during self-motion-based navigation...
  7. pmc Decoding the visual and subjective contents of the human brain
    Yukiyasu Kamitani
    ATR Computational Neuroscience Laboratories, 2 2 2 Hikaridai, Keihanna Science City, Kyoto 619 0288, Japan
    Nat Neurosci 8:679-85. 2005
    ..We investigated whether the perception of edge orientation, a fundamental visual feature, can be decoded from human brain activity measured with functional magnetic ..
  8. pmc Spatial and temporal scales of neuronal correlation in primary visual cortex
    Matthew A Smith
    Center for the Neural Basis of Cognition, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
    J Neurosci 28:12591-603. 2008
    ..Our data show that correlated evoked activity is generated by two mechanisms that link neurons with similar orientation preferences on different spatial scales: one with high temporal precision and a limited spatial extent (..
  9. ncbi Reward expectation, orientation of attention and locus coeruleus-medial frontal cortex interplay during learning
    Sebastien Bouret
    Neuromodulation et Processus Mnésiques, CNRS UMR 7102, Universite Pierre and Marie Curie, 9 Quai St Bernard, 75005 Paris, France
    Eur J Neurosci 20:791-802. 2004
    ..Neuronal activity related to orientation of attention, reward predictability, reward itself, and changes in stimulus reinforcement contingencies, was ..
  10. pmc Broadly tuned response properties of diverse inhibitory neuron subtypes in mouse visual cortex
    Aaron M Kerlin
    Department of Neurobiology, Harvard Medical School, Goldenson 243, 220 Longwood Avenue, Boston, MA 02115, USA
    Neuron 67:858-71. 2010
    ..Excitatory neurons had sharp response selectivity for stimulus orientation and spatial frequency, while all GABAergic subtypes had broader selectivity...
  11. pmc Local diversity and fine-scale organization of receptive fields in mouse visual cortex
    Vincent Bonin
    Department of Neurobiology, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Neurosci 31:18506-21. 2011
    ..Inhibitory neurons had nonlinearly summating, complex-like receptive fields and were weakly tuned for orientation. Excitatory neurons had linear, simple receptive fields that can be studied with noise stimuli and system ..
  12. pmc Dual phase and rate coding in hippocampal place cells: theoretical significance and relationship to entorhinal grid cells
    John O'Keefe
    Department of Anatomy and Developmental Biology, University College London
    Hippocampus 15:853-66. 2005
    ..Finally, we propose a model of the firing of the recently discovered "grid cells" in entorhinal cortex as part of a path-integration system, in combination with place cells and head-direction cells...
  13. pmc Orientation-selective adaptation to first- and second-order patterns in human visual cortex
    Jonas Larsson
    Department of Psychology and Center for Neural Science, New York University, New York, NY 10003, USA
    J Neurophysiol 95:862-81. 2006
    ..We used an adaptation protocol to measure neural activity in the human brain selective for the orientation of second-order textures...
  14. ncbi Place cells, grid cells, and the brain's spatial representation system
    Edvard I Moser
    Kavli Institute for Systems Neuroscience and Centre for the Biology of Memory, Norwegian University of Science and Technology, 7489 Trondheim, Norway
    Annu Rev Neurosci 31:69-89. 2008
    ....
  15. ncbi Knowing where and getting there: a human navigation network
    E A Maguire
    Wellcome Department of Cognitive Neurology, Institute of Neurology, University College London, 12 Queen Square, London WC1N 3BG, UK
    Science 280:921-4. 1998
    ..These findings outline a network of brain areas that support navigation in humans and link the functions of these regions to physiological observations in other mammals...
  16. ncbi Orientation discrimination performance is predicted by GABA concentration and gamma oscillation frequency in human primary visual cortex
    Richard A E Edden
    School of Biosciences, Cardiff University, Cardiff CF10 3AT, United Kingdom
    J Neurosci 29:15721-6. 2009
    Neuronal orientation selectivity has been shown in animal models to require corticocortical network cooperation and to be dependent on the presence of GABAergic inhibition...
  17. ncbi Early social attention impairments in autism: social orienting, joint attention, and attention to distress
    Geraldine Dawson
    Department of Psychology, Center on Human Development and Disability, University of Washington, Seattle, WA, USA
    Dev Psychol 40:271-83. 2004
    ..These results help to clarify the nature of social attention impairments in autism, offer clues to developmental mechanisms, and suggest targets for early intervention...
  18. ncbi Human vestibular cortex as identified with caloric stimulation in functional magnetic resonance imaging
    Oliver Fasold
    Department of Neurology, Charite, Humboldt University, D 10098 Berlin, Germany
    Neuroimage 17:1384-93. 2002
    ..this study demonstrates a strong right hemispheric dominance of vestibular cortex areas regardless of the stimulated side, consistent with the current view of a rightward asymmetrical cortical network for spatial orientation.
  19. pmc Visual orienting in the early broader autism phenotype: disengagement and facilitation
    Mayada Elsabbagh
    Centre for Brain and Cognitive Development, Birkbeck, University of London, London, UK
    J Child Psychol Psychiatry 50:637-42. 2009
    ..In the current study we focused on a set of functions associated with visual attention, previously reported to be atypical in autism...
  20. pmc Multiscale pattern analysis of orientation-selective activity in the primary visual cortex
    Jascha D Swisher
    Psychology Department and Vanderbilt Vision Research Center, Vanderbilt University, Nashville, Tennessee 37240, USA
    J Neurosci 30:325-30. 2010
    Although orientation columns are less than a millimeter in width, recent neuroimaging studies indicate that viewed orientations can be decoded from cortical activity patterns sampled at relatively coarse resolutions of several ..
  21. pmc Broadening of inhibitory tuning underlies contrast-dependent sharpening of orientation selectivity in mouse visual cortex
    Ya tang Li
    Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, California 90089, USA
    J Neurosci 32:16466-77. 2012
    b>Orientation selectivity (OS) in the visual cortex has been found to be invariant to increases in stimulus contrast, a finding that cannot be accounted for by the original, purely excitatory Hubel and Wiesel model...
  22. ncbi Long-term plasticity in hippocampal place-cell representation of environmental geometry
    Colin Lever
    Department of Anatomy and Developmental Biology, University College London, WC1E 6BT, UK
    Nature 416:90-4. 2002
    ..These results indicate that place cells may be a neural substrate for long-term incidental learning, and demonstrate the long-term stability of an experience-dependent firing pattern in the hippocampal formation...
  23. pmc Dynein light chain 1 and a spindle-associated adaptor promote dynein asymmetry and spindle orientation
    Anja K Dunsch
    Department of Biochemistry, University of Oxford, Oxford OX1 3QU, England, UK
    J Cell Biol 198:1039-54. 2012
    ..is required for this asymmetric cortical localization of dynein and has a specific function defining spindle orientation. DYNLL1 interacted with a spindle-microtubule-associated adaptor formed by CHICA and HMMR via TQT motifs in ..
  24. pmc Magnetoreception: activated cryptochrome 1a concurs with magnetic orientation in birds
    Christine Nießner
    FB Biowissenschaften, J W Goethe Universität Frankfurt, Siesmayerstrasse 70, 60054 Frankfurt am Main, Germany
    J R Soc Interface 10:20130638. 2013
    ....
  25. ncbi Humans use internal models to construct and update a sense of verticality
    Julien Barra
    Laboratoire de Psychologie et Neuropsychologie Cognitive, Universite Paris Descartes, FRE 3292, France
    Brain 133:3552-63. 2010
    ..We tested this hypothesis by investigating self-orientation relative to gravity in 39 normal subjects and in subjects with various somatosensory losses showing either a ..
  26. ncbi Masking disrupts reentrant processing in human visual cortex
    J J Fahrenfort
    University of Amsterdam, Amsterdam, The Netherlands
    J Cogn Neurosci 19:1488-97. 2007
    ..From these results, we conclude that masking derives its effectiveness, at least partly, from disrupting reentrant processing, thereby interfering with the neural mechanisms of figure-ground segmentation and visual awareness itself...
  27. ncbi Effects of level of meditation experience on attentional focus: is the efficiency of executive or orientation networks improved?
    Davina Chan
    Department of Psychology, University of California, Berkeley, Berkeley, California, United States
    J Altern Complement Med 13:651-7. 2007
    ..the efficiency of the executive attentional network (anterior cingulate/prefrontal cortex) but no effect on the orientation network (parietal systems)...
  28. ncbi Orienting attention in time: behavioural and neuroanatomical distinction between exogenous and endogenous shifts
    J T Coull
    Wellcome Department of Cognitive Neurology, Institute of Neurology, 12 Queen Square, London, UK
    Neuropsychologia 38:808-19. 2000
    ..These findings suggest that distinct brain areas are involved in redirecting attention based upon sensory events (bottom-up, exogenous shifts) and based upon cognitive expectations (top-down, endogenous shifts)...
  29. ncbi Animal behaviour: insect orientation to polarized moonlight
    Marie Dacke
    Department of Cell and Organism Biology, University of Lund, 223 62 Lund, Sweden
    Nature 424:33. 2003
  30. ncbi Selectivity and spatial distribution of signals from the receptive field surround in macaque V1 neurons
    James R Cavanaugh
    Center for Neural Science, New York University, New York City, New York 10003, USA
    J Neurophysiol 88:2547-56. 2002
    ..that the surround influence was always suppressive when the surround grating was at the neuron's preferred orientation. Suppression tended to be stronger when the surround grating also moved in the neuron's preferred direction, ..
  31. pmc Estimating three-dimensional orientation of human body parts by inertial/magnetic sensing
    Angelo Maria Sabatini
    The BioRobotics Institute, Scuola Superiore Sant Anna, Piazza Martiri della Libertà 33, 56124 Pisa, Italy
    Sensors (Basel) 11:1489-525. 2011
    ..biomedical engineering, robotics, virtual reality, where they can also be applied for real-time tracking of the orientation of human body parts in the three-dimensional (3D) space...
  32. ncbi Fragmentation of grid cell maps in a multicompartment environment
    Dori Derdikman
    Kavli Institute for Systems Neuroscience and Centre for the Biology of Memory, MTFS, Norwegian University of Science and Technology, Trondheim, Norway
    Nat Neurosci 12:1325-32. 2009
    ..in grid cells while rats ran through a stack of interconnected, zig-zagged compartments of equal shape and orientation (a hairpin maze)...
  33. pmc Grid cell mechanisms and function: contributions of entorhinal persistent spiking and phase resetting
    Michael E Hasselmo
    Center for Memory and Brain, Department of Psychology and Program in Neuroscience, Boston University, Boston, Massachusetts 02215, USA
    Hippocampus 18:1213-29. 2008
    ..Science, 2008), and a hairpin maze task...
  34. ncbi Is there a geometric module for spatial orientation? Insights from a rodent navigation model
    Denis Sheynikhovich
    Laboratory of Computational Neuroscience, Brain Mind Institute, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    Psychol Rev 116:540-66. 2009
    ..Moreover, the same model also describes behavioral results in different types of water-maze tasks...
  35. ncbi Early lateralization and orientation tuning for face, word, and object processing in the visual cortex
    Bruno Rossion
    Cognitive Neuroscience Unit, University of Louvain, Belgium
    Neuroimage 20:1609-24. 2003
    ..Scalp EEG (53 channels) was recorded in 15 subjects performing an orientation decision task with pictures of faces, words, and cars presented upright or inverted...
  36. pmc Neuroanatomical dissociation between bottom-up and top-down processes of visuospatial selective attention
    Britta Hahn
    NIH National Institute on Drug Abuse, Intramural Research Program, Neuroimaging Research Branch, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
    Neuroimage 32:842-53. 2006
    ..e., spontaneous orientation towards an oncoming stimulus (stimulus-driven attention), and by top-down processes, i.e...
  37. ncbi Orientation-contingent face aftereffects and implications for face-coding mechanisms
    Gillian Rhodes
    University of Western Australia, Stirling Highway, Crawley, Perth, WA 6009, Australia
    Curr Biol 14:2119-23. 2004
    ..Neuroimaging studies have found surprisingly little orientation selectivity in the fusiform face area (FFA) despite evidence that this region plays a role in expert face ..
  38. pmc Dorsal premotor neurons encode the relative position of the hand, eye, and goal during reach planning
    Bijan Pesaran
    Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    Neuron 51:125-34. 2006
    ..Such a relative position code may play an important role in coordinating hand and eye movements by computing their relative position...
  39. ncbi Spontaneous magnetic orientation in larval Drosophila shares properties with learned magnetic compass responses in adult flies and mice
    Michael S Painter
    Department of Biological Sciences, Virginia Polytechnic Institute and State University Virginia Tech, 2119 Derring Hall, Blacksburg, VA 24061 0406, USA
    J Exp Biol 216:1307-16. 2013
    We provide evidence for spontaneous quadramodal magnetic orientation in a larval insect...
  40. pmc Emergence of orientation selectivity in the Mammalian visual pathway
    Benjamin Scholl
    Center for Perceptual Systems, Section of Neurobiology, School of Biological Sciences, College of Natural Sciences, The University of Texas at Austin, Austin, Texas 78712, USA
    J Neurosci 33:10616-24. 2013
    b>Orientation selectivity is a property of mammalian primary visual cortex (V1) neurons, yet its emergence along the visual pathway varies across species...
  41. ncbi Neural mechanisms of orientation selectivity in the visual cortex
    D Ferster
    Department of Neurobiology and Physiology, Northwestern University, Evanston, Illinois 60208, USA
    Annu Rev Neurosci 23:441-71. 2000
    The origin of orientation selectivity in the responses of simple cells in cat visual cortex serves as a model problem for understanding cortical circuitry and computation...
  42. ncbi Orientation anisotropies in human visual cortex
    Damien J Mannion
    School of Psychology, The University of Sydney, Sydney, Australia
    J Neurophysiol 103:3465-71. 2010
    Representing the orientation of features in the visual image is a fundamental operation of the early cortical visual system...
  43. ncbi A feature-integration account of sequential effects in the Simon task
    Bernhard Hommel
    Cognitive Psychology Unit, Leiden University, Postbus 9555, 2300, RB Leiden, The Netherlands
    Psychol Res 68:1-17. 2004
    ..Moreover, they are consistent with a feature-integration approach and demonstrate that accounting for the sequential dependencies of Simon effects does not require the assumption of information gating or response suppression...
  44. pmc Anterior-posterior direction opponency in the superficial mouse lateral geniculate nucleus
    James H Marshel
    Systems Neurobiology Laboratories, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA
    Neuron 76:713-20. 2012
    ..Furthermore, they support recent conjecture that cortical direction and orientation selectivity emerge in part from a previously undescribed motion-selective retinogeniculate pathway.
  45. pmc Orientation selectivity of synaptic input to neurons in mouse and cat primary visual cortex
    Andrew Y Y Tan
    Center for Perceptual Systems, Section of Neurobiology, School of Biological Sciences, College of Natural Sciences, The University of Texas at Austin, Austin, Texas 78705, USA
    J Neurosci 31:12339-50. 2011
    Primary visual cortex (V1) is the site at which orientation selectivity emerges in mammals: visual thalamus afferents to V1 respond equally to all stimulus orientations, whereas their target V1 neurons respond selectively to stimulus ..
  46. pmc Visual orientation and directional selectivity through thalamic synchrony
    Garrett B Stanley
    Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia 30332, USA
    J Neurosci 32:9073-88. 2012
    ..synchronous firing of cat thalamic cells with highly overlapping receptive fields is strongly sensitive to the orientation and the direction of motion of the visual stimulus...
  47. pmc Fast coding of orientation in primary visual cortex
    Oren Shriki
    Department of Physiology and Neurobiology, Ben Gurion University of the Negev, Be er Sheva, Israel
    PLoS Comput Biol 8:e1002536. 2012
    ..to quantify the information content of spike time latency of primary visual (V1) cortical cells to stimulus orientation. We find that many V1 cells show pronounced tuning of their spike latency to stimulus orientation and that ..
  48. ncbi The magnetic retina: light-dependent and trigeminal magnetoreception in migratory birds
    Henrik Mouritsen
    AG Neurosensory Sciences Animal Navigation, Institut für Biologie und Umweltwissenschaften, Carl von Ossietzky Universitat Oldenburg, DE 26111 Oldenburg, Germany
    Curr Opin Neurobiol 22:343-52. 2012
    ..mechanisms and required characteristics of the sensory molecules that enable birds to use magnetic fields for orientation. European robins almost certainly have two magnetodetection senses, one associated with the ophthalmic branch ..
  49. pmc Cross-orientation suppression in human visual cortex
    Gijs Joost Brouwer
    Dept of Psychology and Center for Neural Science, New York Univ, New York, NY 10003, USA
    J Neurophysiol 106:2108-19. 2011
    Cross-orientation suppression was measured in human primary visual cortex (V1) to test the normalization model...
  50. pmc Cardinal rules: visual orientation perception reflects knowledge of environmental statistics
    Ahna R Girshick
    Department of Psychology, New York University, New York, New York, USA
    Nat Neurosci 14:926-32. 2011
    ..We found this to be the case. We measured performance in an orientation-estimation task and found that orientation judgments were more accurate at cardinal (horizontal and vertical) ..
  51. ncbi Active sensation during orientation behavior in the Drosophila larva: more sense than luck
    Alex Gomez-Marin
    EMBL CRG Systems Biology Unit, Center for Genomic Regulation and UPF, 08003 Barcelona, Spain
    Curr Opin Neurobiol 22:208-15. 2012
    ..Reorientation maneuvers are controlled by the spatiotemporal integration of changes in stimulus intensity detected during runs and lateral head movements...
  52. ncbi Orientation preference patterns in mammalian visual cortex: a wire length minimization approach
    A A Koulakov
    The Salk Institute, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA
    Neuron 29:519-27. 2001
    In the visual cortex of many mammals, orientation preference changes smoothly along the cortical surface, with the exception of singularities such as pinwheels and fractures...
  53. ncbi Predicting the orientation of invisible stimuli from activity in human primary visual cortex
    John Dylan Haynes
    Wellcome Department of Imaging Neuroscience, Institute of Neurology, University College London, 12 Queen Square, London WC1N 3BG, UK
    Nat Neurosci 8:686-91. 2005
    ..owing to the low spatial resolution of conventional human neuroimaging techniques compared to the size of orientation columns in visual cortex...
  54. ncbi Involuntary orienting to sound improves visual perception
    J J McDonald
    Department of Neurosciences, School of Medicine, University of California, San Diego, La Jolla 92093 0608, USA
    Nature 407:906-8. 2000
    ..These data show that the involuntary orienting of attention to sound enhances early perceptual processing of visual stimuli...
  55. ncbi Ambulatory position and orientation tracking fusing magnetic and inertial sensing
    Daniel Roetenberg
    Biomedical Technology Institute, University of Twente, Enschede 7500 AE, The Netherlands
    IEEE Trans Biomed Eng 54:883-90. 2007
    ..However, accelerometers and gyroscopes can only measure changes in position and orientation and suffer from integration drift...
  56. ncbi Measuring orientation of human body segments using miniature gyroscopes and accelerometers
    H J Luinge
    Signals Systems Group, Department of Electrical Engineering, University of Twente, Enschede, The Netherlands
    Med Biol Eng Comput 43:273-82. 2005
    ..Current methods for ambulatory measurement of body orientation have limited accuracy when the body moves...
  57. ncbi Spatial memory: how egocentric and allocentric combine
    Neil Burgess
    Institute of Cognitive Neuroscience and Department of Anatomy, University College London, 17 Queen Square, London WC1N 3AR, UK
    Trends Cogn Sci 10:551-7. 2006
    ..Identifying the neuronal mechanisms and functional roles of each type of representation, and of their interactions, promises to provide a framework for investigation of the organization of human memory more generally...
  58. pmc Orientation decoding depends on maps, not columns
    Jeremy Freeman
    Center for Neural Science, New York University, New York, New York 10003, USA
    J Neurosci 31:4792-804. 2011
    The representation of orientation in primary visual cortex (V1) has been examined at a fine spatial scale corresponding to the columnar architecture...
  59. ncbi Motor facilitation while observing hand actions: specificity of the effect and role of observer's orientation
    Fumiko Maeda
    Laboratory for Magnetic Brain Stimulation, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave, Boston, MA 02215, USA
    J Neurophysiol 87:1329-35. 2002
    ..Here we tested the specificity of this effect and the role played by the orientation of the observer...
  60. 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...
  61. pmc Eye orientation during static tilts and its relationship to spontaneous head pitch in the laboratory mouse
    Brian S Oommen
    Case Western Reserve University School of Medicine, Cleveland, OH 44106 5040, USA
    Brain Res 1193:57-66. 2008
    Both eye position and head orientation are influenced by the macular (otolith) organs, via the tilt maculo-ocular reflex (tiltMOR) and the vestibulo-collic reflexes, respectively...
  62. ncbi New perspectives on the mechanisms for orientation selectivity
    H Sompolinsky
    Racah Institute of Physics and Center for Neural Computation, Hebrew University Jerusalem, 91904, Israel
    Curr Opin Neurobiol 7:514-22. 1997
    Since the discovery of orientation selectivity by Hubel and Wiesel, the mechanisms responsible for this remarkable operation in the visual cortex have been controversial...
  63. ncbi Development of attentional networks in childhood
    M Rosario Rueda
    Sackler Institute, Weill Medical College, New York, USA
    Neuropsychologia 42:1029-40. 2004
    ..A final experiment with forty 7-year-old children suggested that children like adults showed independence between the three networks under some conditions...
  64. ncbi Membrane potential and firing rate in cat primary visual cortex
    M Carandini
    Institute for Neuroinformatics, Swiss Federal Institute of Technology and University of Zurich, CH 8057 Zurich, Switzerland
    J Neurosci 20:470-84. 2000
    ..rate in cat visual cortex and found that the spike threshold contributes substantially to the sharpness of orientation tuning...
  65. pmc Diminished orientation-specific surround suppression of visual processing in schizophrenia
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California Davis, 4701 X Street, Sacramento, CA 95817, USA
    Schizophr Bull 35:1078-84. 2009
    ..We tested whether altered contextual modulation in schizophrenia is stimulus orientation selective...
  66. pmc Topographic maps of visual spatial attention in human parietal cortex
    Michael A Silver
    Department of Psychology, Stanford University, Stanford, CA, USA
    J Neurophysiol 94:1358-71. 2005
    ..The two proposed cortical areas exhibited relatively little response to passive visual stimulation in comparison with early visual areas. These results provide evidence for multiple topographic maps in human parietal cortex...
  67. pmc Critical period plasticity matches binocular orientation preference in the visual cortex
    Bor Shuen Wang
    Department of Neurobiology and Physiology, Northwestern University, Evanston, IL 60208, USA
    Neuron 65:246-56. 2010
    ..Deprivation of visual experience during this period irreversibly blocks the binocular matching of orientation preference, but has no effect in adulthood...
  68. pmc Navigational decision making in Drosophila thermotaxis
    Linjiao Luo
    Department of Physics and Center for Brain Science, Harvard University, Cambridge, Massachusetts 02138, USA
    J Neurosci 30:4261-72. 2010
    ....
  69. ncbi Quaternion-based extended Kalman filter for determining orientation by inertial and magnetic sensing
    Angelo M Sabatini
    ARTS Lab, Scuola Superiore Sant Anna, Piazza Martiri della Libertà, Pisa 56127, Italy
    IEEE Trans Biomed Eng 53:1346-56. 2006
    In this paper, a quaternion based extended Kalman filter (EKF) is developed for determining the orientation of a rigid body from the outputs of a sensor which is configured as the integration of a tri-axis gyro and an aiding system ..
  70. ncbi In vivo two-photon imaging reveals a role of arc in enhancing orientation specificity in visual cortex
    Kuan Hong Wang
    Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
    Cell 126:389-402. 2006
    ..In Arc-positive GFP heterozygous mice, the pattern of GFP-positive cells exhibited orientation specificity...
  71. ncbi A spot check for assessing static orientation consistency of inertial and magnetic sensing units
    Pietro Picerno
    Department of Human Movement and Sport Sciences, University of Rome Foro Italico, Italy
    Gait Posture 33:373-8. 2011
    ..and reproducible spot check for assessing the performance of MIMUs in terms of consistency in determining their orientation with respect to a common (inter-MIMUs consistency, IC) and invariant (self-MIMU consistency, SC) global frame...
  72. pmc The emergence of contrast-invariant orientation tuning in simple cells of cat visual cortex
    Ian M Finn
    Department of Neurobiology and Physiology, Northwestern University, 2205 Tech Drive, Evanston, IL 60208, USA
    Neuron 54:137-52. 2007
    Simple cells in primary visual cortex exhibit contrast-invariant orientation tuning, in seeming contradiction to feed-forward models that rely on lateral geniculate nucleus (LGN) input alone...
  73. ncbi Transformation-tolerant object recognition in rats revealed by visual priming
    Sina Tafazoli
    Cognitive Neuroscience Sector, International School for Advanced Studies SISSA, 34136 Trieste, Italy
    J Neurosci 32:21-34. 2012
    ..e., as instances of the same object) and argue for the existence of neuronal substrates underlying formation of transformation-tolerant object representations in rats...
  74. ncbi Global shape processing involves a hierarchy of integration stages
    Jason Bell
    McGill Vision Research, Dept of Ophthalmology, McGill University, 687 Pine Av West, H4 14, Montreal, Quebec, Canada H3A 1A1
    Vision Res 51:1760-6. 2011
    ..triangles and squares. Opinion is divided over whether the mechanisms that detect these shapes integrate local orientation and position information directly, or whether local orientations and positions are first combined to represent ..
  75. ncbi Distinct functional properties of primary and posteromedial visual area of mouse neocortex
    Morgane M Roth
    Department of Neurophysiology, Brain Research Institute, University of Zurich, CH 8057 Zurich, Switzerland
    J Neurosci 32:9716-26. 2012
    ..Here, we applied two-photon calcium imaging to map neuronal tuning for orientation, direction, SF and TF, and speed in response to drifting gratings in V1 and PM of anesthetized mice...
  76. pmc Distinct effects of brief and prolonged adaptation on orientation tuning in primary visual cortex
    Carlyn A Patterson
    Dominick Purpura Department of Neuroscience and Department of Ophthalmology and Visual Sciences, Albert Einstein College of Medicine, Bronx, New York 10461, USA
    J Neurosci 33:532-43. 2013
    ..Here we determine how 0.4, 4, and 40 s of adaptation alters orientation tuning in primary visual cortex of anesthetized macaque monkeys, and how quickly responses recover after ..
  77. pmc Linear transformation of thalamocortical input by intracortical excitation
    Ya tang Li
    Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
    Nat Neurosci 16:1324-30. 2013
    ..We found that intracortical excitatory circuits preserved the orientation and direction tuning of thalamocortical excitation, with a linear amplification of thalamocortical signals of ..
  78. pmc Transgenic mice reveal unexpected diversity of on-off direction-selective retinal ganglion cell subtypes and brain structures involved in motion processing
    Michal Rivlin-Etzion
    Department of Molecular and Cell Biology, University of California, Berkeley, California 94720 3200, USA
    J Neurosci 31:8760-9. 2011
    ..Our findings reveal unexpected diversity among mouse On-Off DSGC subtypes that uniquely process and convey image motion to the brain...
  79. pmc Neuronal responses to texture-defined form in macaque visual area V2
    Yasmine El-Shamayleh
    Center for Neural Science, New York University, New York, New York 10003, USA
    J Neurosci 31:8543-55. 2011
    ..of neurons in extrastriate cortical area V2 of the macaque (Macaca nemestrina, Macaca fascicularis) for the orientation of texture-defined form, and to distinguish responses to luminance- and texture-defined form...
  80. pmc Changing and shielded magnetic fields suppress c-Fos expression in the navigation circuit: input from the magnetosensory system contributes to the internal representation of space in a subterranean rodent
    Tomás Burger
    Department of Zoology, Faculty of Science Charles University in Prague, Vinicna 7, CZ 12844 Praha 2, Czech Republic
    J R Soc Interface 7:1275-92. 2010
    The neural substrate subserving magnetoreception and magnetic orientation in mammals is largely unknown. Previous experiments have demonstrated that the processing of magnetic sensory information takes place in the superior colliculus...
  81. pmc Perceptual learning in a nonretinotopic frame of reference
    Thomas U Otto
    1Laboratory of Psychophysics, Brain Mind Institute, Ecole Polytechnique Federale de Lausanne EPFL
    Psychol Sci 21:1058-63. 2010
    ..These findings are usually taken as evidence that orientation-specific, retinotopic encoding processes are changed during training...
  82. ncbi Bats' avoidance of real and virtual objects: implications for the sonar coding of object size
    Holger R Goerlitz
    Neurobiology, Dept Biology II, Ludwig Maximilians University Munich, Grosshadernerstrasse 2, 82152 Martinsried, Germany
    Behav Processes 89:61-7. 2012
    ..We hypothesise that this mismatch of spectro-temporal and spatial echo features caused the lack of virtual object evasion and suggest that the sonar aperture of object echoscapes contributes to the sonar coding of object size...
  83. ncbi Practicing coarse orientation discrimination improves orientation signals in macaque cortical area v4
    Hamed Zivari Adab
    Laboratorium voor Neuro en Psychofysiologie, Katholieke Universiteit Leuven Medical School, Campus Gasthuisberg, O and N2, Herestraat 49, Bus 1021, 3000 Leuven, Belgium
    Curr Biol 21:1661-6. 2011
    ..In the V4 learning studies, monkeys discriminated small differences in orientation, whereas in the MT study, the animals discriminated opponent motion directions...
  84. ncbi Automated gaze-contingent objects elicit orientation following in 8-month-old infants
    Fani Deligianni
    Centre for Brain and Cognitive Development, Birkbeck, University of London, UK
    Dev Psychol 47:1499-503. 2011
    The current study tested whether the purely amodal cue of contingency elicits orientation following behavior in 8-month-old infants...
  85. pmc The computational worm: spatial orientation and its neuronal basis in C. elegans
    Shawn R Lockery
    Institute of Neuroscience, 1254 University of Oregon, Eugene, OR 97403, USA
    Curr Opin Neurobiol 21:782-90. 2011
    Spatial orientation behaviors in animals are fundamental for survival but poorly understood at the neuronal level...
  86. ncbi Analysis of a spatial orientation memory in Drosophila
    Kirsa Neuser
    Lehrstuhl für Genetik und Neurobiologie, Biozentrum, Universitat Wurzburg, Am Hubland, D 97074 Wurzburg, Germany
    Nature 453:1244-7. 2008
    Flexible goal-driven orientation requires that the position of a target be stored, especially in case the target moves out of sight...
  87. ncbi The role of orientation and position in shape perception
    Mhairi Day
    Department of Vision Sciences, Glasgow Caledonian University, Glasgow, Scotland, UK
    J Vis 9:14.1-17. 2009
    This study investigates the contributions of position versus orientation information in shape perception by putting the two in conflict. Sampling the orientation of, e.g...
  88. ncbi Spatial grouping resolves ambiguity to drive temporal recalibration
    Kielan Yarrow
    Department of Psychology, City University, Northampton Square, London EC1V 0HB, England
    J Exp Psychol Hum Percept Perform 37:1657-61. 2011
    ..These data therefore show that temporal recalibration is facilitated by spatial grouping...
  89. ncbi Altered visual experience induces instructive changes of orientation preference in mouse visual cortex
    Anne K Kreile
    Department of Cellular and Systems Neurobiology, Max Planck Institute of Neurobiology, 82152 Martinsried, Germany
    J Neurosci 31:13911-20. 2011
    Stripe rearing, the restriction of visual experience to contours of only one orientation, leads to an overrepresentation of the experienced orientation among neurons in the visual cortex...
  90. pmc Quick recovery of orientation after magnetic seizure therapy for major depressive disorder
    George Kirov
    Cardiff University, Henry Wellcome Building, Heath Park, Cardiff, UK
    Br J Psychiatry 193:152-5. 2008
    ..Its use may be justified if it produces the antidepressant effects of electroconvulsive therapy (ECT), coupled with limited cognitive side-effects...
  91. pmc Impaired attentional selection following lesions to human pulvinar: evidence for homology between human and monkey
    Jacqueline C Snow
    School of Psychology, Behavioural Brain Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
    Proc Natl Acad Sci U S A 106:4054-9. 2009
    ..Observers completed 2 psychophysical tasks in which they discriminated the orientation of a lateralized target grating in the presence of vertically-aligned distracters...
  92. ncbi Age and gender differences in various topographical orientation strategies
    Irene Liu
    NeuroLab www neurolab ca, Departments of Psychology and Clinical Neurosciences, and Hotchkiss Brain Institute, University of Calgary, 2500 University Dr N W, Calgary, AB, Canada T2N 1N4
    Brain Res 1410:112-9. 2011
    b>Orientation in the environment can draw on a variety of cognitive strategies. We asked 634 healthy volunteers to perform a comprehensive battery administered through an internet website (www.gettinglost...
  93. ncbi Head roll dependent variability of subjective visual vertical and ocular counterroll
    Alexander A Tarnutzer
    Department of Neurology, Zurich University Hospital, Zurich, Switzerland
    Exp Brain Res 195:621-6. 2009
    ..We propose that the similarities in variability reflect a common otolith input, which, however, is subject to distinct central processing for determining the gain of SVV and OCR...
  94. ncbi Eye gaze is not unique: automatic orienting in response to uninformative arrows
    Jason Tipples
    University of York, England
    Psychon Bull Rev 9:314-8. 2002
    ..Overall, the findings suggest that the eye gaze is not unique in automatically triggering orienting...
  95. pmc Precision and accuracy of the subjective haptic vertical in the roll plane
    Jeanine R Schuler
    Department of Neurology, Zurich University Hospital, Zurich, Switzerland
    BMC Neurosci 11:83. 2010
    ..Twelve healthy right-handed human subjects (handedness assessed based on subjects' verbal report) adjusted a rod with the right hand along perceived earth-vertical during static head roll-tilts (0-360 degrees , steps of 20 degrees )...
  96. pmc A quantitative assessment of torque-transducer models for magnetoreception
    Michael Winklhofer
    Department of Earth and Environmental Sciences, Ludwig Maximilians University, 80333 Munich, Germany
    J R Soc Interface 7:S273-89. 2010
    ..We find that the common assertion that a magnetoreceptor based on single-domain magnetite could not form the basis for an inclination compass does not always hold...
  97. ncbi Contributions of the human temporoparietal junction and MT/V5+ to the timing of interception revealed by transcranial magnetic stimulation
    Gianfranco Bosco
    Department of Neuroscience, University of Rome Tor Vergata, 00133 Rome, Italy
    J Neurosci 28:12071-84. 2008
    ..TPJ might specifically gate visual-motion information according to an internal model of the effects of gravity...
  98. pmc Vestibular heading discrimination and sensitivity to linear acceleration in head and world coordinates
    Paul R MacNeilage
    Department of Anatomy and Neurobiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
    J Neurosci 30:9084-94. 2010
    ..e., relative to gravity), or (3) body orientation (i.e., the direction of gravity relative to the otoliths)...
  99. pmc Increased sensitivity to mirror symmetry in autism
    Audrey Perreault
    Perceptual Neuroscience Lab for Autism and Development, Montreal, Quebec, Canada
    PLoS ONE 6:e19519. 2011
    ..In other words, autistics may sometimes see the forest and the trees, and may therefore extract from noisy environments genuine regularities which elude non-autistic observers...
  100. pmc Retinal origin of orientation maps in visual cortex
    Se Bum Paik
    Department of Neurobiology, David Geffen School of Medicine, University of California, Los Angeles, California, USA
    Nat Neurosci 14:919-25. 2011
    The orientation map is a hallmark of primary visual cortex in higher mammals. It is not yet known how orientation maps develop, what function they have in visual processing and why some species lack them...
  101. pmc Young children reorient by computing layout geometry, not by matching images of the environment
    Sang Ah Lee
    Department of Psychology, Harvard University, 33 Kirkland Street, Cambridge, MA 02138, USA
    Psychon Bull Rev 18:192-8. 2011
    ..Moreover, children failed to reorient by prominent brightness contours in continuous layouts with no distinctive 3D structure. The findings provide evidence that geometric layout representations support children's reorientation...

Research Grants75

  1. Response Selection as a Function of Age
    Robert Proctor; Fiscal Year: 2002
    ..These guidelines will lead to development of products and environments that allow elderly adults to remain more independent and to engage safely in more activities in their daily lives. ..
  2. NEURAL BASIS OF SPATIAL COGNITION
    JEFFREY TAUBE; Fiscal Year: 2003
    ..Learning how spatial information is processed in the rat brain will give us clues about the complex nature of spatial processes in humans. ..
  3. NEURAL MECHANISMS OF DIRECTIONAL ORIENTATION
    JEFFREY TAUBE; Fiscal Year: 2004
    ....
  4. TRAINING PROGRAM IN DEVELOPMENTAL PSYCHOLOGY
    Janellen Huttenlocher; Fiscal Year: 2008
    ..Postdoctoral trainees will have at least two mentors from the training faculty and will join a rich environment for postdoctoral investigations in the Department of Psychology. ..
  5. DEVELOPMENT OF fMRI COMPATIBLE REVERSIBLE DEACTIVATION
    STEPHEN LOMBER; Fiscal Year: 2005
    ..Such a development should have wide appeal and will greatly advance our ability to dissect functional circuits with fMRI. ..
  6. Egocentric reference frames in memory
    David Waller; Fiscal Year: 2005
    ..Findings may also lead to ways of improving spatial abilities in the general population. ..
  7. A Dynamic Process Approach to Cognitive Representation
    John Lipinski; Fiscal Year: 2006
    ..This empirical work will lay the essential groundwork for development of a formal model linking linguistic and non-linguistic representations of space. ..
  8. A Spiking Model of Hippocampus for Guiding Behavior
    Michael Hasselmo; Fiscal Year: 2006
    ..U., which focuses on modeling operant tasks used in experimental studies of drug self-administration phenomena, in work supported by a supplement to a previous grant from NIDA. [unreadable] [unreadable]..
  9. The Development of Visual Integration & Attention: A High-Density EEG Study
    Melanie Palomares; Fiscal Year: 2008
    ..Although distinguishable as rotation, expansion or translation, these stimuli provide weak local orientation or direction cues, making them ideal stimuli in investigating global integration...
  10. Infant-Mother Negotiation of Motor Risk
    KAREN ADOLPH; Fiscal Year: 2006
    ..abstract_text> ..
  11. AGE-RELATED ERP MEASURES IN ALZHEIMER'S DISEASE
    David Friedman; Fiscal Year: 2004
    ..The data will be relevant to preattentive processing, selective attention based on complex features, age-related pathological changes in these mechanisms, and their physiological underpinnings. ..
  12. Perceptual and Decisional Processes in Categorization
    W Maddox; Fiscal Year: 2006
    ..Project 4 extends the studies in Project I - 3 to an explicit decision criterion task where observers adjust an observable decision criterion on each trial. These data are useful for testing learning models. ..
  13. FLEXIBILITY OF LEARNING IN INFANT SKILL ACQUISITION
    KAREN ADOLPH; Fiscal Year: 2005
    ..In addition, results may have practical applications for promoting new skills in typically developing infants and children with motor impairments. ..
  14. Responses and Equivalence Classes
    Peter Urcuioli; Fiscal Year: 2007
    ..unreadable] [unreadable]..
  15. Motor Imagery as a Measure of Pain Severity
    H Coslett; Fiscal Year: 2007
    ..Finally, as mental motor imagery tasks require minimal language capacity or abstract reasoning, we propose to investigate the use of these measures in subjects with cognitive impairment. ..
  16. Post-Attentive Vision
    Jeremy Wolfe; Fiscal Year: 2007
    ..Taken together, the results of this program of research will test hypotheses that tie our understanding of visual search to our understanding of short and longer term visual memory. [unreadable] [unreadable]..
  17. Perception and Recovery of Motion for Visually Guided Behavior in Humans
    Lucia Maria Vaina; Fiscal Year: 2010
    ..abstract_text> ..
  18. Neural mechanisms of risky behavior avoidance
    Joshua W Brown; Fiscal Year: 2010
    ..Impairments in these mechanisms are associated with substance use and abuse. Knowledge of such mechanisms can inform the prevention and treatment of substance abuse problems. ..
  19. Origins of Object Knowledge
    Scott P Johnson; Fiscal Year: 2010
    ..This approach stipulates that onset of sensitivity to motion and orientation information, development of the oculomotor system, and experience viewing objects undergoing occlusion and ..
  20. Sequence Induction in Infancy: A systematic approach
    Scott Johnson; Fiscal Year: 2009
    ..In the future, such understanding may aid in the formulation of diagnostics and treatments for some developmental disorders. ..
  21. Fear in the eye of the beholder: Fear and the perception of spatial layout
    DENNIS PROFFITT; Fiscal Year: 2009
    ..We will also test whether fear reduction (after habituation of fear through exposures) attenuates the overestimation of heights expected in persons with acrophobia. ..
  22. Long-term Ambulatory Gait Monitor for Parkinson's Disease
    Steven Moore; Fiscal Year: 2007
    ..unreadable] [unreadable] [unreadable]..
  23. MATURATION OF COGNITIVE-RELATED BRAIN POTENTIALS
    David Friedman; Fiscal Year: 2008
    ..The data will be relevant to developmental improvements in cognitive control mechanisms, prefrontal functioning, and episodic memory, and their physiological underpinnings. ..
  24. Cognitive neuroscience of temporal processing
    H Branch Coslett; Fiscal Year: 2010
    ..Finally, we propose to use transcranial magnetic stimulation to identify specific brain regions that are necessary for normal temporal processing. ..
  25. Neural mechanisms of risk aversion
    Joshua Brown; Fiscal Year: 2007
    ..Once we know how certain parts of the brain avoid risky behavior, then we will figure out how to help these parts of the brain to keep people from taking drugs. [unreadable] [unreadable] [unreadable]..
  26. The cognitive neuroscience of body knowledge
    H Coslett; Fiscal Year: 2007
    ..Understanding the cerebral basis of motor control and the body schema is likely to contribute substantially to the development of interventions that target these representations. [unreadable] [unreadable]..
  27. DENTAL FEAR AND ANTICIPATION OF PAIN: IMAGING THE BRAIN
    Margaret Bradley; Fiscal Year: 2005
    ..The proposed methodology is, furthermore, adaptable and can be used subsequently to address other facets (sensory and emotional) of the pain experience. ..
  28. LANGUAGE PROCESSING DURING READING
    Keith Rayner; Fiscal Year: 2005
    ..The research should be useful in further understanding the process of skilled reading and also help to reveal the relationship between skilled and poor reading. ..
  29. PERCEPTION AND PRODUCTION OF EXPRESSIVE MICROSTRUCTURE
    Bruno Repp; Fiscal Year: 2002
    ..This research is expected to provide new insights into the largely subconscious psychological processes underlying the flexible control of timing in both musical and nonmusical contexts. ..
  30. VESTIBULAR AFFERENT ACTIVITY AFTER CANAL PLUGGING
    Sergei Yakushin; Fiscal Year: 2002
    ..This work should lead to a clearer understanding of how lesions, such as plugging and nerve section, affect the sensory processing of head movements and how the central vestibular system adapts to these types of lesions. ..
  31. OPTOTRAK MOTION MEASUREMENT SYSTEM
    KAREN ADOLPH; Fiscal Year: 2001
    ..abstract_text> ..
  32. SPATIAL INFLUENCES ON LANGUAGE FUNCTION
    H Coslett; Fiscal Year: 2002
    ..abstract_text> ..
  33. BODY REPRESENTATIONS--NEUROPSYCHOLOGY AND ANATOMIC BASIS
    H Coslett; Fiscal Year: 2001
    ..The potential clinical significance of this work is also clear. If, as hypothesized, the body schema is crucial to action, interventions targeting this representations may have important therapeutic implications. ..
  34. PSYCHOPHYSICAL STRUCTURE OF HUMAN VISION
    Jeremy Wolfe; Fiscal Year: 2003
    ..to reveal the structure of the channels that support preattentive processing of visual features including orientation and motion...
  35. 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. ..
  36. EFFECTS OF LESIONS ON VISUAL MOTION PERCEPTION IN HUMANS
    LUCIA VAINA; Fiscal Year: 2005
    ....
  37. CEREBRAL ORGANIZATION FOLLOWING COCHLEAR IMPLANT
    STEPHEN LOMBER; Fiscal Year: 2005
    ..The results from these studies will be directly applicable to clinical situations concerning the functional outcomes of cochlear implants in young children. ..
  38. MECHANISMS OF MITOTIC SPINDLE ASSEMBLY AND FUNCTION
    EDWARD SALMON; Fiscal Year: 2003
    ..Finally, we will analyze how MT dynamics may be involved in the regulation of cytokinesis. ..
  39. DEVELOPMENT OF LINGUISTIC COMPETENCE: FMRI STUDIES
    STEVEN PETERSEN; Fiscal Year: 2003
    ..Preliminary studies of single words. Preliminary studies of syntactic processes, including grammatical morphology and syntactic comprehension, will be initiated in normal adults and normal children. ..
  40. Conference--Medical Image Perception
    Elizabeth Krupinski; Fiscal Year: 2003
    ..This grant will be used to provide financial support for about 12 graduate students and residents, as well as logistic support for publicity and program printing. ..
  41. CONTINGENCY ANALYSIS AND OBSERVING BEHAVIOR IN MR
    WILLIAM DUBE; Fiscal Year: 2003
    ..5) To examine generalization across tasks and settings in field studies to be conducted in special-education classrooms with tasks that have been identified in participating students' educational plans. ..
  42. VESTIBULAR INFLUENCES ON SPATIAL ORIENTATION
    Richard Lewis; Fiscal Year: 2008
    ..project is to understand how the brain uses information from the vestibular labyrinth to estimate the spatial orientation and motion of the head...
  43. Praxis Behavioral Observation Software
    WILLIAM DUBE; Fiscal Year: 2008
    ..Further, the product will include tools to determine the most accurate behavioral measurement techniques for analyzing digital video samples and conducting direct (live) behavioral observation. [unreadable] [unreadable] [unreadable]..
  44. MATERNAL INFLUENCE ON DEVELOPING 24-HOUR PERIODICITY
    STEVEN REPPERT; Fiscal Year: 2002
    ..Thus, increased understanding of the basic mechanisms of biological clock function may facilitate the development of better treatment strategies for a wide range of disorders. ..
  45. NEONATAL PREDICTORS OF LANGUAGE PERFORMANCE
    Dennis Molfese; Fiscal Year: 2001
    ..The goal is to match AER and other assessment data to template data obtained from children with known outcomes so that predictions for referrals can be made and actual outcomes observed. ..
  46. Drug Abuse, Social Decision-Making, and Sex-Related Functional Brain Asymmetry
    DANIEL T TRANEL; Fiscal Year: 2010
    ..abstract_text> ..
  47. An animal model for age-related degeneration
    ANN CHARLOTTE ESTHER GRANHOLM; Fiscal Year: 2010
    ..The overall purpose of these studies is to investigate endogenous defense mechanisms as well as the degenerative process in itself, to explore if early intervention strategies can be employed. ..
  48. Multimodally encoded spatial images in sighted and blind
    JACK M contact LOOMIS; Fiscal Year: 2010
    ..More generally, this knowledge will lead to improved tests of spatial cognition that will be useful in better understanding the deficits in knowledge and behavior resulting from diseases, such as Alzheimer's, and brain damage. ..
  49. OPTIMIZING SOFTCOPY DISPLAYS FOR DIGITAL MAMMOGRAPHY
    Elizabeth Krupinski; Fiscal Year: 2003
    ..The JND metrix model will then be used to systematically explore and optimize CRT design tradeoffs for current and future digital-mammography display systems. ..
  50. Minimizing Instability with Dynamic Visual Inputs
    EMILY KESHNER; Fiscal Year: 2007
    ..learn to rely upon visual and proprioceptive pathways to produce appropriate responses for changes in postural orientation or equilibrium...
  51. Behavioral Momentum & Flexibility in Mental Retardation
    WILLIAM DUBE; Fiscal Year: 2004
    ..abstract_text> ..
  52. VISUAL CONTROL OF MOBILITY IN LOW VISION
    Kathleen Turano; Fiscal Year: 2005
    ..Preliminary data demonstrate that VE is likely to be valid in studying exploratory behavior. ..
  53. Suppression in simple recognition memory
    Stephen Dopkins; Fiscal Year: 2005
    ..abstract_text> ..
  54. AGING OF COGNITIVE MECHANISMS
    WILLIAM HOYER; Fiscal Year: 2005
    ..The outcomes of the proposed research contribute to the understanding of the effective conditions of skill acquisition and retention throughout the adult life span. ..
  55. Electrophysiology and Neurocognition in Schizophrenia
    Peter Bachman; Fiscal Year: 2004
    ..abstract_text> ..
  56. Perceptual-motor tasks in adults with Down syndrome
    SHANNON RINGENBACH; Fiscal Year: 2006
    ..This information is critical in order to communicate effectively to people with DS in a way that reduces frustration and confusion for all involved. The methods for teaching people with DS could be radically improved by this research. ..
  57. Infant Temperament and Cognitive Development
    MARTHA BELL; Fiscal Year: 2004
    ..Likewise, they have the potential to generate hypotheses about foundations for the development of extremes in self-regulation (i.e., attention deficit disorder, depression) and associated complexities in cognition. ..
  58. FLUCTUATIONS IN COGNITIVE AND PERCEPTUAL ACTIVITY
    David Gilden; Fiscal Year: 2006
    ..Finally, the manner in which attention modulates the formation of residual correlation will be studied by varying the stimulus complexity in visual search and in forced choice discrimination. ..
  59. Bilingual Speech Segmentation
    Daniel Weiss; Fiscal Year: 2006
    ..In sum, the proposed research will fill gaps in current knowledge regarding both bilingual language acquisition as well as statistical learning. ..
  60. Peripheral Visual Function of Children with Low Vision
    JOSEPH LAPPIN; Fiscal Year: 2006
    ..of children with low vision suggest that often they are unresponsive to peripheral information relevant to orientation and mobility, even though standard visual assessments indicate that such stimulus patterns should be visible...
  61. PROCESSING OF VISUAL SCENES BY THE LGN
    R Reid; Fiscal Year: 2004
    ..Only by exploring the normal activity of multiple thalamic inputs to cortical neurons can we begin to understand functional disorders of this pathway, such as in certain forms of epilepsy. ..
  62. The Study of Task-Level Control Signals Using fMRI
    STEVEN PETERSEN; Fiscal Year: 2006
    ..abstract_text> ..
  63. Learning and Adaptation in Primary Visual Cortex
    ANDREW TEICH; Fiscal Year: 2005
    The goal of this proposal is to investigate the mechanism by which learning and adaptation can alter the orientation tuning of neurons in primary visual cortex...
  64. 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]..
  65. COMPARATIVE ANALYSIS OF CLOCK GENES
    STEVEN REPPERT; Fiscal Year: 2001
    ..Increased understanding of the fundamental mechanisms of biological clock function will facilitate the development of better treatment strategies for a wide range of disorders. ..
  66. Optimized Compression for Telepathology Virtual Slides
    Elizabeth Krupinski; Fiscal Year: 2009
    ....
  67. Inferring Cortical Feed-Forward and Feedback Processes with Human Neuroimaging
    SEPPO AHLFORS; Fiscal Year: 2009
    ..It could lead to a better understanding of the neural mechanisms underlying cognitive functions, as well as to potential applications for revealing mechanisms of neural disorders. ..
  68. MIPS XII Conference
    Elizabeth Krupinski; Fiscal Year: 2007
    ..unreadable] [unreadable] [unreadable]..
  69. Medical Image Perception Society Confrence XI
    Elizabeth Krupinski; Fiscal Year: 2005
    ..abstract_text> ..
  70. Neural Mechanisms of Motion Sensitivity in V1 and MT
    LUIS LESMES; Fiscal Year: 2007
    ..abstract_text> ..
  71. Genetic Associations with Biased Processing of Emotion Cues in MDD
    CHRISTOPHER BEEVERS; Fiscal Year: 2009
    ..Thus, the proposed study should advance our knowledge of the etiological and maintenance processes for MDD and provide specific direction for the design of treatment programs for this serious psychiatric problem. ..
  72. INTERMODAL TEMPORAL INFORMATION PROCESSING IN INFANTS
    DAVID LEWKOWICZ; Fiscal Year: 2003
    ..abstract_text> ..
  73. Fastigial nucleus role in long-term saccade adaptation
    Robijanto Soetedjo; Fiscal Year: 2004
    ..2) To measure the long-term adaptation after permanently lesioning the CFN bilaterally (3) To determine the anatomical pathway of Iong-term adaptation. ..
  74. Postural instability & visually-induced motion sickness
    THOMAS STOFFREGEN; Fiscal Year: 2006
    ..The experimental' hypotheses focus on the combinations of frequency and amplitude that may produce postural instability and motion sickness, and on particular types of instability that may be expected. ..