期刊
CURRENT OPINION IN NEUROBIOLOGY
卷 23, 期 3, 页码 318-323出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.conb.2013.03.002
关键词
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资金
- German Research Council (DFG) [STE 714/4-1]
Aggression is a highly plastic behaviour, shaped by numerous experiences, and potential costs and benefits of competing, to optimize fitness and survival. Recent studies on crickets provide insights into how nervous systems achieve this. Their fighting behaviour is promoted by physical exertion, winning disputes and possession of resources. These effects are each mediated by octopamine, the invertebrate analogue of noradrenaline. Submissive behaviour, in less well understood. It is induced when the accumulated sum of the opponent's agonistic signals surpass some critical level, and probably mediated by nitric oxide, serotonin and other neuromodulators. We propose that animals can make the decision to fight or flee by modulating the respective behavioural thresholds in response to potentially rewarding and aversive attributes of experiences.
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