Laughter conveys important information that supports social communication and bonding. Research suggests that unique acoustic properties distinguish laughter that promotes affiliation from laughter that conveys dominance, but little is known about potential individual differences in laughter interpretation or contagion based on these specified social functions of laughter. Psychopathy is associated with both affiliative deficits (e.g., lack of empathy and impaired social bonding) and behaviors that assert social dominance (e.g., manipulativeness). Thus, relationships between psychopathic traits and impaired laughter interpretation or contagion could give insight into etiological pathways to psychopathy.

中文翻译：

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你是在跟我笑还是在嘲笑我？精神病态特征和区分从属关系和支配性笑声线索的能力

笑声传达了支持社会交流和联系的重要信息。研究表明，独特的声学特性将促进归属感的笑声与传达支配地位的笑声区分开来，但基于笑声的这些特定社会功能，人们对笑声解释或传染的潜在个体差异知之甚少。精神病与从属缺陷（例如，缺乏同理心和受损的社会联系）和主张社会支配地位的行为（例如，操纵性）有关。因此，精神病特征与笑声解释受损或传染之间的关系可以深入了解精神病的病因途径。