Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Form processing modules in primate area V4

G M Ghose1, D Y Ts'o

  • 1Division of Neuroscience, Baylor College of Medicine, Houston, Texas 77030, USA.

Journal of Neurophysiology
|April 1, 1997
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A rapid topographic mapping and eye alignment method using optical imaging in Macaque visual cortex.

NeuroImage·2008
Same author

A hierarchy of the functional organization for color, form and disparity in primate visual area V2.

Vision research·2001
Same author

Specialized representations in visual cortex: a role for binding?

Neuron·2000
Same author

Specificity of color connectivity between primate V1 and V2.

Journal of neurophysiology·1999
Same author

Images in neuroscience. Cognition. Perception 2.

The American journal of psychiatry·1999
Same author

Functional micro-organization of primary visual cortex: receptive field analysis of nearby neurons.

The Journal of neuroscience : the official journal of the Society for Neuroscience·1999
Same journal

Deep Learning Reveals Cross-Modal Neural Representations of Auditory and Visual Mental Imagery in MEG.

Journal of neurophysiology·2026
Same journal

Speech sensorimotor adaptation in young adult cochlear implant users with early implantation.

Journal of neurophysiology·2026
Same journal

How Visual Context Influences Lateral Stepping Regulation While Walking on Winding Paths.

Journal of neurophysiology·2026
Same journal

Simultaneous neuron evidence for much higher covariation with saccadic reaction time of superior colliculus than primary visual cortex visual responses.

Journal of neurophysiology·2026
Same journal

Separate Dorsolateral Prefrontal Cortex Regions Participate in Distinct Large-Scale Networks Differentially Recruited for Social and Cognitive Control Functions.

Journal of neurophysiology·2026
Same journal

Comprehensive Analysis of Auditory Nerve Fiber Responses using Fiber-Specific Modeling.

Journal of neurophysiology·2026
See all related articles

Neurons in the V4 area of the primate brain are organized into functional regions for orientation and stimulus size. This modular organization in V4 aids in object recognition and analysis.

Area of Science:

  • Neuroscience
  • Primate Visual Cortex

Background:

  • Area V4 is crucial for object recognition and analysis in primates.
  • V4 neurons exhibit selectivity for visual attributes like color, orientation, and disparity.
  • The spatial organization of these properties within V4 remains unclear.

Purpose of the Study:

  • To investigate the presence and nature of physiological organization within Area V4.
  • To determine if cells with shared properties are spatially grouped in V4.
  • To compare V4 organization with that of V1 and V2.

Main Methods:

  • In vivo optical imaging in macaque visual cortex.
  • Electrophysiology, including targeted single-unit recording.
  • Analysis of orientation selectivity and functional organization related to stimulus size.

Related Experiment Videos

Main Results:

  • Identified spatially organized regions of common orientation selectivity in V4.
  • Observed orientation domains within size-sensitive regions in V4.
  • Found that orientation organization in V4 was primarily in central visual fields, with larger domains than V1.

Conclusions:

  • Area V4 exhibits modular organization of neurons based on physiological properties like orientation and stimulus size.
  • This modular assembly in V4 likely contributes to sophisticated object-based representations.
  • V4's organization differs from V2, particularly in the co-occurrence of orientation and size domains.