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Analysis of corpus callosum fiber composition reveals that inter-hemispheric transmission time may put constraints on the development of inter-hemispheric synchronic ensembles, especially in species with large brains like humans. In order to overcome this limitation, a subset of large-diameter callosal fibers are specialized for fast inter-hemispheric transmission, particularly in large-brained species. Nevertheless, the constraints on fast inter-hemispheric communication in large-brained species can somehow contribute to the development of ipsilateral, intrahemispheric networks, which might promote the development of brain lateralization.

Type

Journal article

Journal

Biol Res

Publication Date

2003

Volume

36

Pages

89 - 99

Keywords

Axons, Brain, Corpus Callosum, Functional Laterality, Humans, Neural Pathways, Visual Fields, Visual Pathways