期刊
FRONTIERS IN NEUROENDOCRINOLOGY
卷 33, 期 2, 页码 194-209出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.yfrne.2012.04.002
关键词
Communication; Medial preoptic nucleus; Ventral tegmental area; Dopamine; Opioids; Song control system; Reward; Motivation; Birdsong; Social behavior
资金
- National Institute of Mental Health [R01 MH080225]
Many vertebrates are highly motivated to communicate, suggesting that the consequences of communication may be rewarding. Past studies show that dopamine and opioids in the medial preoptic nucleus (mPOA) and ventral tegmental area (VTA) play distinct roles in motivation and reward. In songbirds, multiple lines of recent evidence indicate that the roles of dopamine and opioid activity in mPOA and VTA in male birdsong differ depending upon whether song is used to attract females (sexually-motivated) or is produced spontaneously (undirected). Evidence is reviewed supporting the hypotheses that (1) mPOA and VTA interact to influence the context in which a male sings, (2) distinct patterns of dopamine activity underlie the motivation to produce sexually-motivated and undirected song, (3) sexually-motivated communication is externally reinforced by opioids released as part of social interactions, and (4) undirected communication is facilitated and rewarded by immediate opioid release linked to the act of singing. (C) 2012 Elsevier Inc. All rights reserved.
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