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Review
, 56 (2), 239-51

Mapping Behavioral Repertoire Onto the Cortex

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Review

Mapping Behavioral Repertoire Onto the Cortex

Michael S A Graziano et al. Neuron.

Abstract

A traditional view of the motor cortex in the primate brain is that it contains a map of the body arranged across the cortical surface. This traditional topographic scheme, however, does not capture the actual pattern of overlaps, fractures, re-representations, and multiple areas separated by fuzzy borders. Here, we suggest that the organization of the motor cortex, premotor cortex, supplementary motor cortex, frontal eye field, and supplementary eye field can in principle be understood as a best-fit rendering of the motor repertoire onto the two-dimensional cortical sheet in a manner that optimizes local continuity.

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