Journal
FRONTIERS IN NEUROENDOCRINOLOGY
Volume 32, Issue 3, Pages 320-335Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.yfrne.2010.12.004
Keywords
Genomics; Social behavior network; Mesolimbic reward system; Evolution; Decision-making; Approach; Avoidance; Challenge response; Phenologs; Developmental system drift
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Funding
- NSF [DDIG 1011253, IOS 0843712, IOS 0751311]
- Alfred P. Sloan Foundation
- Dwight W. and Blanche Faye Reeder Centennial Fellowship in Systematic and Evolutionary Biology
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [1011253] Funding Source: National Science Foundation
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [0843712] Funding Source: National Science Foundation
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Tremendous progress has been made in our understanding of the ultimate and proximate mechanisms underlying social behavior, yet an integrative evolutionary analysis of its underpinnings has been difficult. In this review, we propose that modern genomic approaches can facilitate such studies by integrating four approaches to brain and behavior studies: (1) animals face many challenges and opportunities that are ecologically and socially equivalent across species; (2) they respond with species-specific, yet quantifiable and comparable approach and avoidance behaviors; (3) these behaviors in turn are regulated by gene modules and neurochemical codes; and (4) these behaviors are governed by brain circuits such as the mesolimbic reward system and the social behavior network. For each approach, we discuss genomic and other studies that have shed light on various aspects of social behavior and its underpinnings and suggest promising avenues for future research into the evolution of neuroethological systems. (C) 2010 Elsevier Inc. All rights reserved.
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