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Clustered organization of neurons with similar extra-receptive field properties in the primary visual cortex.

Authors
Type
Published Article
Journal
Neuron
0896-6273
Publisher
Elsevier
Publication Date
Volume
35
Issue
3
Pages
547–553
Identifiers
PMID: 12165475
Source
Medline

Abstract

The primary visual cortex is organized into clusters of cells having similar classical receptive field (CRF) properties. Nonclassical, extra-receptive fields (ERFs) can either inhibit or facilitate the response elicited by stimulation within the CRF. Here, we report that in the primary visual cortex of cat, neurons with similar inhibitory or facilitatory ERF properties are also grouped into clusters. These clusters are randomly distributed in all cortical layers, with no detectable relationship with orientation and ocular dominance columns. This functional organization of neurons with respect to ERF properties may allow an efficient processing of global visual information.

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