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 association pathways in human brain.

M Iwata1

  • 1Department of Neurology, University of Tokyo School of Medicine.

The Tohoku Journal of Experimental Medicine
|August 1, 1990
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

Astrocytic plaques and tufts of abnormal fibers do not coexist in corticobasal degeneration and progressive supranuclear palsy.

Acta neuropathologica·1998
Same author

[Preparation and utility of glibenclamide suppository for hospital use].

Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan·1998
Same author

Induction of thymocyte apoptosis by Ca2+-independent protein kinase C (nPKC) activation and its regulation by calcineurin activation.

The Journal of biological chemistry·1998
Same author

Familial amyotrophic lateral sclerosis with widespread vacuolation and hyaline inclusions.

Neurology·1998
Same author

Progressive aphemia in a patient with Pick's disease: a neuropsychological and anatomic study.

Journal of the neurological sciences·1998
Same author

Pattern reversal visual evoked potentials in migraine with aura and migraine aura without headache.

Cephalalgia : an international journal of headache·1998
See all related articles

The posterior association cortex processes visual information through two main pathways: the dorsal (occipito-parietal) for visuospatial analysis and the ventral (occipito-temporal) for pattern recognition. The left hemisphere also has collateral pathways for reading.

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Visual Perception

Background:

  • Visual information processing is complex, involving multiple brain regions and pathways.
  • The posterior association cortex plays a crucial role in interpreting visual stimuli.
  • Understanding these pathways is key to comprehending visual perception and its disorders.

Purpose of the Study:

  • To delineate the distinct roles of the dorsal and ventral visual association pathways.
  • To explore the hierarchical functional specialization within visual processing.
  • To identify the neural basis for the verbal mode of visual information processing, specifically reading.

Main Methods:

  • Analysis of the anatomical connections of the posterior association cortex.
  • Tracing of visual information flow through occipito-parietal and occipito-temporal pathways.

Related Experiment Videos

  • Investigation of functional specialization in the left cerebral hemisphere related to reading.

    • Main Results:

    • Two major visual association pathways originate from the posterior association cortex: dorsal (occipito-parietal) and ventral (occipito-temporal).
    • The dorsal pathway handles visuospatial analysis, while the ventral pathway is involved in visual pattern recognition.
    • The left cerebral hemisphere exhibits collateral pathways supporting reading, a verbal mode of visual processing.

    Conclusions:

    • Visual information processing is organized into distinct dorsal and ventral streams with specialized functions.
    • Hierarchical processing exists alongside dichotomous pathways, particularly in the left hemisphere for reading.
    • This framework provides insights into the neural mechanisms underlying visual perception and language.