Journal
PSYCHIATRY RESEARCH-NEUROIMAGING
Volume 330, Issue -, Pages -Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.pscychresns.2023.111614
Keywords
Conduct problems; Brain development; Cortical thickness; Externalizing
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This study examines the association between conduct problems and cerebral cortical development in a large longitudinal sample of adolescents. The results show an interaction between conduct problem scores and age-related cortical thinning in several brain regions. Higher levels of conduct problems are associated with accelerated age-related thinning.
Few studies have examined the association between conduct problems and cerebral cortical development. Herein, we characterize the association between age-related brain change and conduct problems in a large longitudinal, community-based sample of adolescents. 1,039 participants from the IMAGEN study possessed psychopathology and surface-based morphometric data at study baseline (M = 14.42 years, SD = 0.40; 559 females) and 5-year follow-up. Self-reports of conduct problems were obtained using the Strengths and Diffi-culties Questionnaire (SDQ). Vertex-level linear mixed effects models were implemented using the Matlab toolbox, SurfStat. To investigate the extent to which cortical thickness maturation was qualified by dimensional measures of conduct problems, we tested for an interaction between age and SDQ Conduct Problems (CP) score. There was no main effect of CP score on cortical thickness; however, a significant Age by CP interaction was revealed in bilateral insulae, left inferior frontal gyrus, left rostral anterior cingulate, left posterior cingulate, and bilateral inferior parietal cortices. Across regions, follow-up analysis revealed higher levels of CP were associated with accelerated age-related thinning. Findings were not meaningfully altered when controlling for alcohol use, co-occurring psychopathology, and socioeconomic status. Results may help to further elucidate neuro-developmental patterns linking adolescent conduct problems with adverse adult outcomes.
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