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Establishment of a scaffold for orientation maps in primary visual cortex of higher mammals

Grabska-Barwinska, A; von der Malsburg, C; (2008) Establishment of a scaffold for orientation maps in primary visual cortex of higher mammals. J NEUROSCI , 28 (1) 249 - 257. 10.1523/JNEUROSCI.5514-06.2008.

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Abstract

In higher mammals, environmentally driven patterns of neural activity do not play a role in the establishment of orientation specificity and maps. It has been proposed that specific long-range interactions provide the scaffold for developing orientation maps. Our model aims at explaining how such a scaffold could develop in the first place. Broad spontaneous activity waves and locally evoked spatially periodic response pattern are used. The model is discussed in relation to biological evidence, and experiments to test the model are proposed. We show that reliable orientation specificity cannot be a result of haphazard cortical wiring, as has been proposed.

Type:Article
Title:Establishment of a scaffold for orientation maps in primary visual cortex of higher mammals
DOI:10.1523/JNEUROSCI.5514-06.2008
Keywords:neonatal prenatal, development, area 17, plasticity, orientation specificity, horizontal connectivity, BASIC NETWORK PRINCIPLES, SPONTANEOUS RETINAL WAVES, OCULAR DOMINANCE COLUMNS, MONKEY STRIATE CORTEX, RECEPTIVE-FIELDS, NEURAL ARCHITECTURE, DEVELOPING FERRET, CORTICAL MAPS, LATERAL CONNECTIVITY, GANGLION-CELLS
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Life Sciences > Gatsby Computational Neuroscience Unit

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