An amygdala-to-hypothalamus circuit for social reward.
An amygdala-to-hypothalamus circuit for social reward.
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杏仁核到下丘脑的社会奖励回路。
DOI:
10.1038/s41593-021-00828-2
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发表时间:
2021-06
影响因子:
25
通讯作者:
Hong W
中科院分区:
文献类型:
--
作者:
Hu RK;Zuo Y;Ly T;Wang J;Meera P;Wu YE;Hong W
Social interactions and relationships are often rewarding, but the neural mechanisms through which social interaction drives positive experience remain poorly understood. Here, we develop an automated operant conditioning system to measure social reward in mice and find that adult mice of both sexes display robust reinforcement of social interaction. Through cell-type-specific manipulations, we identify a crucial role for GABAergic neurons in the medial amygdala (MeA) in promoting the positive reinforcement of social interaction. Moreover, MeA GABAergic neurons mediate social reinforcement behavior through their projections to the medial preoptic area (MPOA) and promote dopamine release in the nucleus accumbens. Finally, activation of this MeA-to-MPOA circuit can robustly overcome avoidance behavior. Together, these findings establish the MeA as a key node for regulating social reward in both sexes, providing new insights into the regulation of social reward beyond the classic mesolimbic reward system.
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通讯作者:
Russo SJ