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Correlation between the visual callosal connections and the retinotopic organization in striate-peristriate border region in the hamster: An anatomical and physiological study

By KF So, LS Jen and YM Xiao

Abstract

The correlation between the retinotopic organization of receptive fields in the striate-peristriate border region and the distribution pattern of the visual callosal projections was investigated in hamsters with corpus callosum transected 2 days before recording. The results showed that in all the animals studied, the V1/V2 border defined by reversal of receptive fields at the vertical meridian was located in the dense central portion of the visual callosal projection which terminated in cortical regions bordering areas 17 and 18a. The results indicate that there is a close relationship between the striate-peristriate border determined by anatomical and physiological methods. In addition, these data strengthen the suggestion that the pattern of visual callosal projections is a useful and reliable reference system for delineating boundaries of different visual areas in the golden hamster.link_to_subscribed_fulltex

Topics: Animals, Brain Mapping, Corpus Callosum - Anatomy & Histology, Cricetinae, Mesocricetus, Neuronal Plasticity, Retina - Anatomy & Histology, Visual Cortex - Anatomy & Histology, Visual Fields, Visual Pathways - Anatomy & Histology - Physiology
Publisher: 'NEN Netherlands Standardization Institute'
Year: 1984
DOI identifier: 10.1016/0306-4522(84)90284-7
OAI identifier: oai:hub.hku.hk:10722/149455
Provided by: HKU Scholars Hub
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