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

Visual integration in the split brain

M C Corballis1

  • 1Department of Psychology, University of Auckland, New Zealand.

Neuropsychologia
|August 1, 1995
PubMed
Summary
This summary is machine-generated.

Subjects with forebrain commissurotomy can integrate visual information across hemifields, demonstrating distinct cortical and subcortical visual processing systems. This highlights separate pathways for form analysis and spatial/movement attention.

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

Complementarity or independence of hemispheric specializations? A brief review.

Neuropsychologia·2015
Same author

Response set effects in recognition memory.

Memory & cognition·2011
Same author

Cerebral asymmetry: motoring on.

Trends in cognitive sciences·2011
Same author

Lateralized regular spatial patterns in oscillating drawing arm movements of right-handed young women.

Perceptual and motor skills·2004
Same author

Turn that frown upside down: ERP effects of thatcherization of misorientated faces.

Psychophysiology·2004
Same author

Non-identical neural mechanisms for two types of mental transformation: event-related potentials during mental rotation and mental paper folding.

Neuropsychologia·2003
Same journal

Prevalence and modulation of rat off-track head scanning on linear tracks: possible implications for representational and dynamic properties of hippocampal place cells.

Neuropsychologia·2026
Same journal

Identifying networks within an fMRI multivariate searchlight analysis.

Neuropsychologia·2026
Same journal

Modulating sentence comprehension in people with aphasia through anodal tDCS: A double-blind randomized cross-over study.

Neuropsychologia·2026
Same journal

Deficient processing of regularity violations during visuospatial neglect: a visual mismatch negativity study.

Neuropsychologia·2026
Same journal

Seeing is believing: mental imagery amplifies moral, emotional, and motivational responding to mentally constructed hypothetical events.

Neuropsychologia·2026
Same journal

From past recall to future projection: What does verb tense production reveal about mental time travel in Alzheimer's disease?

Neuropsychologia·2026
See all related articles

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Visual Perception

Background:

  • Forebrain commissurotomy severs the corpus callosum, leading to a disconnection syndrome.
  • Understanding interhemispheric visual information transfer is crucial for cognitive neuroscience.

Purpose of the Study:

  • To review evidence on visual information integration in subjects with forebrain commissurotomy.
  • To elucidate the distinct roles of cortical and subcortical visual systems.

Main Methods:

  • Review of existing evidence and studies on visual processing after forebrain commissurotomy.
  • Analysis of spatial, temporal, and attentional processing capabilities.

Main Results:

  • Subjects integrate location, orientation, and movement information across visual hemifields, despite some resolution loss.

Related Experiment Videos

  • Lack of subcortical form transfer explains the classic disconnection syndrome.
  • Location-based attention is integrated, while object-based attention and visual search function independently per hemisphere.

    • Conclusions:

    • Evidence supports two distinct visual systems: a precise cortical system for form and a subcortical system for movement/location.
    • These systems possess unique perceptual and attentional subsystems.
    • Forebrain commissurotomy reveals the specialized functions of these visual processing pathways.