Reconstructing the ups and downs of primate brain evolution: implications for adaptive hypotheses and <Emphasis Type="Italic">Homo floresiensis</Emphasis> |
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| Authors: | Stephen H Montgomery Isabella Capellini Robert A Barton Nicholas I Mundy |
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| Institution: | (1) Department of Zoology, University of Cambridge, Downing Street, Cambridge, UK;(2) Evolutionary Anthropology Research Group, Department of Anthropology, Durham University, Dawson Building, South Road, Durham, DH1 3LE, UK |
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| Abstract: | Background Brain size is a key adaptive trait. It is often assumed that increasing brain size was a general evolutionary trend in primates,
yet recent fossil discoveries have documented brain size decreases in some lineages, raising the question of how general a
trend there was for brains to increase in mass over evolutionary time. We present the first systematic phylogenetic analysis
designed to answer this question. |
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