Callous-unemotional (CU) traits in youth are believed to be a developmental precursor to adult psychopathy, tapping its affective dimension. There is growing support for the existence of variants of psychopathy that can be distinguished based on the presence of anxiety, maltreatment histories, and comorbid psychopathology. The purpose of the present study was to examine whether primary and secondary variants of CU traits could be differentiated according to their experiences of distinct types of childhood maltreatment among a sample of 227 incarcerated adolescent boys. Results indicated that variants of youth scoring high on CU traits could be identified which were consistent with theory and prior research. Greater sexual abuse histories, violent and property delinquency, and a sexually motivated index offense distinguished secondary variants, whereas greater neglect distinguished primary variants of youth with CU traits. Psychopathy variants were behaviorally indistinguishable with respect to their levels of aggression and drug delinquency, although they differed in several important ways from youth scoring low on CU traits. Variants also showed distinct patterns of scores on the measure of CU traits. These findings are important to informing developmental theories of psychopathy and have practical and policy implications for intervening with maltreated and antisocial youth.

Callous-unemotional (CU) traits (i.e., lack of empathy/guilt, uncaring attitudes) are believed to be a developmental antecedent to adult psychopathy and identify antisocial youth at risk for severe and persistent aggression. The psychosocial histories of antisocial and aggressive individuals with psychopathic traits are characterized by abusive or unaffectionate parenting; however, there is a gap in the literature regarding the unique impact of these factors on adolescent offenders. The purpose of the present study was to examine the contribution of maternal warmth and affection (i.e., care) to dimensions of CU traits and aggression, after accounting for the influence of various types of childhood maltreatment. We investigated this aim in a sample of 227 urban male adolescent offenders housed in residential facilities. Results indicated that low maternal care was significantly associated with greater total CU traits and uncaring and callousness dimensions, even after controlling for the effects of various types of childhood abuse and neglect. Furthermore, there was a significant interaction between CU traits and care, such that aggression was highest among youths scoring high on CU traits who were exposed to low levels of maternal care. These findings draw attention to the importance of maternal bonding to CU traits and related aggressive behaviors among antisocial youth.

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