ArticleFrontiers in psychology2026
Source-based morphometry analyses yield associations between large-scale structural brain networks and psychopathic traits in incarcerated adolescents.
Article in Frontiers in psychology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Studies commonly report that youth with elevated psychopathic traits exhibit deficits within limbic and paralimbic regions, including reduced gray matter volume (GMV) in the amygdala, orbitofrontal cortex (OFC), and temporal pole. However, studies have also reported additional structural abnormalities in regions extending beyond limbic and paralimbic regions among youth with elevated psychopathic traits, including the middle frontal gyrus (MFG), inferior frontal gyrus (IFG), precuneus, inferior parietal lobule (IPL), and fusiform gyrus. This suggests youth with elevated psychopathic traits may be associated with deficits within large-scale structural networks. The current study investigated whether youth with elevated psychopathic traits were associated with such deficits through the use of source-based morphometry (SBM), a multivariate analysis of structural magnetic resonance imaging data. SBM uses Independent Component Analysis (ICA) to identify distinct sets of brain regions that form different large-scale structural networks. We investigated whether youth psychopathy scores, assessed via the Hare Psychopathy Checklist: Youth Version (PCL:YV), were associated with SBM loading coefficients among
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