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Paleoecology and the overlap of homeotic genes for isocortex evolution

Published online by Cambridge University Press:  12 April 2004

Danilo Arruda Furtado
Danilo Arruda Furtado*
Affiliation:
Departamento de Anatomia, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Centro de Ciências da Saúde, Bl. F, Cidade Universitária, 21941-590, Rio de Janeiro, Brazil
*
furtado@anato.ufrj.br
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Abstract:

Two issues in synapsid brain evolution are discussed: the presumed structure and function of the brain of the Synapsida/Diapsida common ancestral, and the enlargement of dorsal telencephalon. Ecological niches possibly occupied by some Carboniferous tetrapods are considered in order to speculate about evolution of major telencephalic sectors. An alternative interpretation of isocortical origins, based on differences in Pax-6 expression, is suggested for discussion.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 26 , Issue 5 , October 2003 , pp. 555 - 556
Copyright
Copyright © Cambridge University Press 2003

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