The origin of the amniote sensory and motor cortices

Behavioral and Brain Sciences 26 (5):561-563 (2003)
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Abstract

A rigorous cladistic analysis of the dorsal pallium of amniotes indicates that the stem amniote lacked sensorimotor areas. Reptiles apparently acquired a visual cortex by parcellation from the multimodal, hippocampal-like mediodorsal pallium of stem amniotes. The high number of sensory areas of the mammalian isocortex might derive from the specific properties it shows, such as growth-promoting influence on thalamic axons.

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10.1017/s0140525x0331012x

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