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January 16, 1909, Vol LII, No. 3 >
ARTICLE | January 16, 1909

THE EVOLUTION OF THE CEREBRAL CORTEX

JAMA. 1909;LII(3):216-217. doi:10.1001/jama.1909.02540290042006.
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The problem of the structure and functions of the cerebral cortex is intimately bound up with its evolutionary history. This history has been assiduously studied during the whole modern period of comparative anatomy, notable contributions coming from Edinger and Elliot Smith, who have shown how the whole forebrain has been built up around what is in the human brain one of its relatively unimportant parts, the olfactory apparatus. The earliest cerebral cortex to appear was olfactory in function, the hippocampal formation, and has been termed the "archipallium" to distinguish it from the more recently evolved cortical centers for the other senses and their motor return paths, the neopallium.

The fundamental and far-reaching character of this distinction is confirmed by the researches of Flechsig on the sequence of development of the conduction paths in the human cerebrum, for he finds that the olfactory cortical connections come to maturity in general earlier

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BMJ 2010;341:c5893-c1494.
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