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Mesozoic mammals and early mammalian brain diversity

Published online by Cambridge University Press:  12 April 2004

Emmanuel Gilissen  and
Thierry Smith
Emmanuel Gilissen*
Affiliation:
Department of Paleontology, Royal Belgian Institute of Natural Sciences, B-1000Brussels, Belgium
Thierry Smith*
Affiliation:
Department of Paleontology, Royal Belgian Institute of Natural Sciences, B-1000Brussels, Belgium
*
egilissen@hotmail.com
Thierry.Smith@naturalsciences.be
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Abstract:

Fossil remains witness the relationship between the appearance of the middle ear and the expansion of the brain in early mammals. Nevertheless, the lack of detachment of ear ossicles in the mammaliaform Morganucodon, despite brain enlargement, points to other factors that triggered brain expansion in early mammals. Moreover, brain expansion in some early mammalian groups seems to have favored brain regions other than the cortex.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 26 , Issue 5 , October 2003 , pp. 556 - 557
Copyright
Copyright © Cambridge University Press 2003

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