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首页> 美国卫生研究院文献>Developmental Cognitive Neuroscience >What lies beneath peer acceptance in adolescence? Exploring the role of Nucleus Accumbens responsivity to self-serving and vicarious rewards
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What lies beneath peer acceptance in adolescence? Exploring the role of Nucleus Accumbens responsivity to self-serving and vicarious rewards

机译：青春期同龄人接受感的背后是什么？探索伏隔核对自我服务和替代奖励的响应作用

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Peer relationships play an important role in adolescent social development. Adolescence is also a sensitive period for reward-related processing where Nucleus Accumbens (NAcc) shows peak levels of activity. To investigate the role of reward-related neural processes in peer relationships, we scanned 31 adolescents (16 boys, 15 girls) from 12 to 17 years old and had their classmates rate their likability and dislikability. Using these ratings, we calculated levels of peer acceptance (i.e., likability minus dislikability scores). Participants played a social gambling paradigm in the scanner where we examined NAcc responses to winning for self and winning for best friends. We showed that acceptance by peers was related negatively to activation patterns in the NAcc when winning money for self. Peer acceptance was not related to NAcc activity during vicarious reward processing where participants won money for their best friend. These results point in the direction of an underlying neural mechanism indicating that peer interactions of well-liked adolescents are characterized by a lower focus on benefits for self.
机译：同伴关系在青少年社会发展中起着重要作用。青春期也是奖励相关加工的敏感时期，其中伏隔核（NAcc）表现出最高活动水平。为了研究与奖赏相关的神经过程在同伴关系中的作用，我们对31至12岁至17岁的青少年（16名男孩，15名女孩）进行了扫描，并让他们的同学评价了他们的喜好和反感。使用这些评分，我们计算了同伴接受度（即，喜好度减去不喜好度得分）。参与者在扫描仪中扮演了社交赌博范例，在该扫描仪中，我们研究了NAcc对赢得自我和赢得最好的朋友的反应。我们证明，当为自己赢得金钱时，同龄人的接受程度与NAcc的激活模式负相关。同行接受度与替代奖励过程中的NAcc活动无关，在该过程中，参与者为自己最好的朋友赢得了金钱。这些结果指出了潜在的神经机制的方向，表明喜欢的青少年的同伴互动的特征是对自我利益的关注程度较低。

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