Is social anhedonia related to emotional responsivity and expressivity? A laboratory study in women.
Is social anhedonia related to emotional responsivity and expressivity? A laboratory study in women.
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DOI：
10.1016/j.schres.2010.06.012
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发表时间：
2010-12
影响因子：
4.5
通讯作者：
Llerena, Katiah
中科院分区：
文献类型：
--
作者：
Leung, Winnie W.;Couture, Shannon M.;Blanchard, Jack J.;Lin, Stephanie;Llerena, Katiah
社交快感缺失是精神分裂症的一个重要特征，也是分裂类型的一个很有前途的指标。虽然社交快感缺失被定义为一种情感结构(从社交场合获得的快乐较少)，但人们对社交快感缺失程度较高的个体的情绪响应性和表现力知之甚少。在筛选了大样本的女本科生(N=1085)之后，一组具有高度社交快感缺乏症(n=34)和正常享乐控制(n=45)的心理测量学个体参加了实验室评估，涉及特质情感、自我报告的性格情绪表达，以及对中性、非附属(即喜剧)和附属电影剪辑的情感的表达和体验。结果显示，社交快感缺乏程度较高的个体，无论是作为一种特质还是对情绪唤起刺激的反应，都具有较低的积极情绪，无论是通过自我报告还是对电影片段的反应，他们的面部表情都较少。在电影刺激中观察到了减弱的积极影响，这表明情感反应总体上减少了，而不是对附属刺激的响应性特别降低。未来的工作应该继续调查社会刺激是否在高度社会性快感缺乏症患者的情感生活中扮演着独特的角色，或者这些人是否倾向于在更广泛的范围内经历快感缺乏症，而不管社会背景如何。
Social anhedonia is an important feature of schizophrenia and it is a promising indicator of schizotypy. Although social anhedonia is defined as an affective construct (less pleasure derived from social encounters), little is known about the emotional responsivity and expressivity of individuals with high levels of social anhedonia. After screening a large sample of female undergraduate students (N = 1 085), a cohort of psychometrically identified individuals with high levels of social anhedonia (n = 34) and normally hedonic controls (n = 45) participated in laboratory assessments involving trait affectivity, self-reported dispositional emotional expressiveness, and the expression and experience of emotion in response to neutral, nonaffiliative (i.e., comedy) and affiliative film clips. Results revealed that individuals with high levels of social anhedonia are characterized by lower positive affect, both as a trait and in response to emotionally evocative stimuli, and are less facially expressive, both by their own self-report and in response to film clips. Attenuated positive affect was observed across film stimuli, indicating a general reduction in affective response rather than a specific decrease in responsivity for affiliative stimuli. Future work should continue to investigate whether there is a unique role for social stimuli in the emotional lives of individuals with high levels of social anhedonia or whether these individuals tend to experience anhedonia more broadly regardless of social context.
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