Department of Psychiatry, Systems and Psychosocial Advances Research Center
Cognitive Neuroscience | Developmental Neuroscience | Mental Disorders | Psychiatry
Adult psychopathic offenders show an increased propensity towards violence, impulsivity, and recidivism. A subsample of youth with elevated psychopathic traits represent a particularly severe subgroup characterized by extreme behavioral problems and comparable neurocognitive deficits as their adult counterparts, including perseveration deficits. Here, we investigate response-locked event-related potential (ERP) components (the error-related negativity [ERN/Ne] related to early error-monitoring processing and the error-related positivity [Pe] involved in later error-related processing) in a sample of incarcerated juvenile male offenders (n=100) who performed a response inhibition Go/NoGo task. Psychopathic traits were assessed using the Hare Psychopathy Checklist: Youth Version (PCL:YV). The ERN/Ne and Pe were analyzed with classic windowed ERP components and principal component analysis (PCA). Using linear regression analyses, PCL:YV scores were unrelated to the ERN/Ne, but were negatively related to Pe mean amplitude. Specifically, the PCL:YV Facet 4 subscale reflecting antisocial traits emerged as a significant predictor of reduced amplitude of a subcomponent underlying the Pe identified with PCA. This is the first evidence to suggest a negative relationship between adolescent psychopathy scores and Pe mean amplitude.
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Citation: Dev Cogn Neurosci. 2016 Jun;19:70-7. doi: 10.1016/j.dcn.2016.02.006. Epub 2016 Feb 22. Link to article on publisher's site
Error-related processing, Event-related potentials, Juvenile delinquency, Principal component analysis, Psychopathy
Maurer, J. Michael; Steele, Vaughn R.; Cope, Lora M.; Vincent, Gina M.; Stephen, Julia M.; Calhoun, Vince D.; and Kiehl, Kent A., "Dysfunctional error-related processing in incarcerated youth with elevated psychopathic traits" (2016). University of Massachusetts Medical School Faculty Publications. 1095.
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