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Energetic trade-offs between brain size and offspring production: Marsupials confirm a general mammalian pattern


Isler, K (2011). Energetic trade-offs between brain size and offspring production: Marsupials confirm a general mammalian pattern. BioEssays, 33(3):173-179.

Abstract

Recently, Weisbecker and Goswami presented the first
comprehensive comparative analysis of brain size, metabolic
rate, and development periods in marsupial mammals.
In this paper, a strictly energetic perspective is
applied to identify general mammalian correlates of brain
size evolution. In both marsupials and placentals, the
duration or intensity of maternal investment is a key correlate of relative brain size, but here I show that
allomaternal energy subsidies may also play a role.

Recently, Weisbecker and Goswami presented the first
comprehensive comparative analysis of brain size, metabolic
rate, and development periods in marsupial mammals.
In this paper, a strictly energetic perspective is
applied to identify general mammalian correlates of brain
size evolution. In both marsupials and placentals, the
duration or intensity of maternal investment is a key correlate of relative brain size, but here I show that
allomaternal energy subsidies may also play a role.

Citations

15 citations in Web of Science®
16 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Anthropology
Dewey Decimal Classification:300 Social sciences, sociology & anthropology
Language:English
Date:2011
Deposited On:01 Mar 2011 13:40
Last Modified:05 Apr 2016 14:52
Publisher:Wiley-Blackwell
ISSN:0265-9247
Publisher DOI:https://doi.org/10.1002/bies.201000123
PubMed ID:21254150
Permanent URL: https://doi.org/10.5167/uzh-47264

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