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|Titolo:||The contribution of the corpus callosum to receptive fields in the lateral suprasylvian visual areas of the cat|
|Autori interni:||MARZI, Carlo Alberto|
|Data di pubblicazione:||1982|
|Rivista:||BEHAVIOURAL BRAIN RESEARCH|
|Abstract:||In both ordinary and Siamese cats, the visual areas in the lateral parts of the middle and posterior suprasylvian gyri (LSA) contained an extensive representation of the ipsilateral half of the visual field. In addition, in both groups the overwhelming majority of neurons in LSA could be driven from both eyes. In Siamese Ss, this binocular interaction was in marked contrast with what was found in area 17 where neurons were almost exclusively activated through the contralateral eye. Transection of the posterior third to half of the corpus callosum had a different effect on the physiological organization of LSA in the groups. In ordinary Ss it caused the loss of the ipsilateral hemifield representation in the eye ipsilateral to the side of recording and reduced this representation in the other eye. However, after the section of the corpus callosum, LSA neurons remained binocular. In Siamese, the callosal transection left the representation of the ipsilateral hemifield in LSA unaffected but totally abolished the input from the ipsilateral eye. Findings suggest that the visual callosal input to LSA has a different functional significance in ordinary and Siamese cats. (80 ref) (PsycLIT Database Copyright 1982 American Psychological Assn, all rights reserved)|
|Appare nelle tipologie:||01.01 Articolo in Rivista|
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