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

Cerebral achromatopsia in monkeys

C A Heywood1, D Gaffan, A Cowey

  • 1Department of Experimental Psychology, University of Oxford, UK.

The European Journal of Neuroscience
|May 1, 1995
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

Aging and the rehabilitation of homonymous hemianopia: The efficacy of compensatory eye-movement training techniques and a five-year follow up.

Aging brain·2023
Same author

Action blindsight and antipointing in a hemianopic patient.

Neuropsychologia·2018
Same author

Translucence perception is not dependent on cortical areas critical for processing colour or texture.

Neuropsychologia·2017
Same author

Using action understanding to understand the left inferior parietal cortex in the human brain.

Brain research·2014
Same author

A spurious category-specific visual agnosia for living things in normal human and nonhuman primates.

Journal of cognitive neuroscience·2013
Same author

Mamillary Body Lesions in Monkeys Impair Object-in-Place Memory: Functional Unity of the Fornix-Mamillary System.

Journal of cognitive neuroscience·2013
Same journal

Improved Motor Neuron Preservation and Axonal Recovery Following Experimental Sciatic Nerve Repair With Heterologous Fibrin Biopolymer.

The European journal of neuroscience·2026
Same journal

Topography of Regional Cerebral GABA<sub>A</sub> Receptor Availability in Parkinson's Disease Patients With Freezing of Gait.

The European journal of neuroscience·2026
Same journal

Enhanced Time-Locked Decoding for Spoken Words but Not Environmental Sounds in Natural-Like Auditory Conditions.

The European journal of neuroscience·2026
Same journal

Learning Dynamics in Biophysical Spiking Network Models Are Shaped by KCC2/NKCC1 Cotransporter Stoichiometry.

The European journal of neuroscience·2026
Same journal

Dopamine Receptor Agonism in the Nucleus Accumbens Shell During Aversive Learning or Memory Retrieval: Differential Effects Depending on the Degree of Sugar Familiarity.

The European journal of neuroscience·2026
Same journal

Training in the Categorization of Aerial and Terrestrial Scenes Differentially Impacts Scene-Selective and Nonscene-Selective Regions in Occipitotemporal Cortex.

The European journal of neuroscience·2026
See all related articles

Damage to a specific brain area in monkeys, not the V4 cortex, caused severe color vision loss, similar to human achromatopsia. This suggests the temporal cortex, anterior to V4, is crucial for color vision.

Area of Science:

  • Neuroscience
  • Visual Perception
  • Comparative Anatomy

Background:

  • Human cerebral achromatopsia results from extrastriate cortical damage, causing complete color vision loss.
  • Previous research suggested the V4 cortex might be a 'colour centre' in monkeys, but ablations showed only mild color discrimination impairments.

Purpose of the Study:

  • To identify the brain region responsible for color vision in macaque monkeys.
  • To determine if the V4 cortex is analogous to the human color processing center.

Main Methods:

  • Cortical ablations were performed on two groups of monkeys: one with temporal lobe lesions anterior to V4 (group AT), and another with medial occipito-temporal lesions (group MOT).
  • Color vision and non-chromatic vision were tested in both groups.
  • Behavior of affected monkeys was compared to a human patient with achromatopsia.

Related Experiment Videos

Main Results:

  • Monkeys with medial occipito-temporal ablations (group MOT) showed no color vision impairment.
  • Monkeys with temporal lobe ablations anterior to V4 (group AT) exhibited severe impairment in chromatic vision, with relative sparing of non-chromatic vision.
  • The behavioral deficits in group AT mirrored those of a human achromatopsia patient.

Conclusions:

  • The V4 cortex in macaque monkeys is not analogous or homologous to the human color center.
  • The temporal cortex anterior to V4 is likely the functional equivalent of the human color processing area.