期刊
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
卷 35, 期 7, 页码 1452-1465出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2011.03.015
关键词
Adaptive stress response; Adaptive plasticity; Cost-benefit theory; Uncertainty; Behavioral syndromes; State-dependent behavior; Human-induced rapid environmental change
资金
- Direct For Biological Sciences [951232] Funding Source: National Science Foundation
- Division Of Integrative Organismal Systems [951232] Funding Source: National Science Foundation
This paper presents a behavioral ecologist's view on adaptive responses to early stress. I first summarize two approaches to this topic drawn from other papers in this Special Issue: the 'inoculation model' and the 'adaptive calibration model'. I then describe three relevant modeling approaches from behavioral and evolutionary ecology: models of adaptive plasticity, models of adaptive prey behavior under uncertainty about risk, and models of state-dependent adaptive behavioral syndromes. These models generate some novel predictions on factors that explain variation in how organisms might respond adaptively to early stress. In particular, the state-dependent models of adaptive behavioral syndromes emphasize the importance of feedback loops between behavior and state variables in explaining the long-term persistence of effects of early experiences. State variables can include aspects of physiology, morphology or life history, differences among individuals in information state or skill, or even in social state (e.g., social rank). The feedbacks between behavior and individual state suggest a framework for an integrative approach to understanding responses to stress. The behavioral syndrome approach also emphasizes the importance of understanding stress carryovers - e.g., situations where effects of one kind of stressor (e.g., early social stress) carry over to influence other stress responses (e.g., response to danger) later in life. Finally, I discuss how responses to early stress might relate to variation in the ability of animals to cope well with novel conditions associated with human-induced rapid environmental change, a ubiquitous problem that animals face in the modern world. (C) 2011 Elsevier Ltd. All rights reserved.
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