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The current meta-analysis included 431 records (N= 123,414) to comprehensively explore the complex interaction between psychopathy, antisocial behavior, and empathy. First, empathy domains (cognitive and affective) were used to provide critical insights for distinguishing antisocial behavior from psychopathy. Cognitive empathy was more impaired in antisocial groups (gcognitive= -.40; gaffective= -.11), while high psychopathy samples displayed larger deficits in affective empathy (gaffective= -.44; gcognitive= -.23), although this dissociation was not clear in correlational analyses. Secondly, the specific associations between empathy domains and psychopathy dimensions were evaluated. Psychopathy traits closely related to antisocial behavior were mildly associated with both empathy domains (r= -.07 to -.14). Callous-affective traits were largely associated with affective empathy (r= -.32 to -.35) and moderately correlated to cognitive empathy (r= -.26). Diverging results were found for the interpersonal dimension, as boldness-adaptive manifestations were unrelated to cognitive empathy (r= .05), while non-adaptive interpersonal traits were negatively associated with both empathy domains (rcognitive= -.14; raffective= -.25). Overall, these findings suggest that: (1) psychopathy and antisocial behavior display distinct empathic profiles; (2) psychopathy dimensions are differentially associated with cognitive and affective empathy; (3) the interaction between interpersonal traits and empathic processes is different across the conceptual models of psychopathy.

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The organization of the Hierarchical Taxonomy of Psychopathology (HiTOP) model provides unique opportunities to evaluate whether neural risk measures operate as indicators of broader latent liabilities (e.g., externalizing proneness) or narrower expressions (e.g., antisociality and alcohol abuse). Following this approach, the current study recruited a sample of 182 participants (54% female) who completed measures of externalizing psychopathology (also internalizing) and associated traits. Participants also completed three tasks (Flanker-No Threat, Flanker-Threat, and Go/No-Go tasks) with event-related potential (ERP) measurement. Three variants of two research domain criteria (RDoC)-based neurophysiological indicators—P3 and error-related negativity (ERN)—were extracted from these tasks and used to model two latent ERP factors. Scores on these two ERP factors independently predicted externalizing factor scores when accounting for their covariance with sex—suggesting distinct neural processes contributing to the broad externalizing factor. No predictive relation with the broad internalizing factor was found for either ERP factor. Analyses at the finer-grained level revealed no unique predictive relations of either ERP factor with any specific externalizing symptom variable when accounting for the broad externalizing factor, indicating that ERN and P3 index general liability for problems in this spectrum. Overall, this study provides new insights about neural processes in externalizing psychopathology at broader and narrower levels of the HiTOP hierarchy.