Callous–unemotional (CU) traits in early childhood explain heterogeneity within conduct problems and are associated with higher risk for later diagnoses of childhood disruptive behavior disorders and antisocial behavior in adulthood. Emerging research implicates impairments in affiliative processes in the etiology of CU traits. The current study tests whether the imitation of intentional actions with no functional significance –a behavior that supports the acquisition of social conventions and affiliative bonds, is a specific developmental precursor to CU traits in early childhood.

中文翻译：

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对任意行为的较少模仿是儿童早期冷酷无情特征的特定发展先兆。

儿童早期的冷酷无情 (CU) 特征解释了行为问题中的异质性，并且与后来诊断出儿童破坏性行为障碍和成年期反社会行为的更高风险相关。新兴研究表明 CU 性状病因中的附属过程受损。目前的研究测试了模仿没有功能意义的有意行为——一种支持获得社会习俗和从属关系的行为，是否是儿童早期 CU 特征的特定发展先兆。