Early-life and pubertal stress differentially modulate grey matter development in human adolescents
Number of pages
SourceScientific Reports, 8, (2018), article 9201
Article / Letter to editor
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PI Group Affective Neuroscience
SW OZ BSI KLP
SW OZ BSI ON
SW OZ DCC CO
PI Group Intention and Action
Subject111 000 Intention & Action; 230 Affective Neuroscience; Action, intention, and motor control; DI-BCB_DCC_Theme 2: Perception, Action and Control; Experimental Psychopathology and Treatment; Social Development
Animal and human studies have shown that both early-life traumatic events and ongoing stress episodes affect neurodevelopment, however, it remains unclear whether and how they modulate normative adolescent neuro-maturational trajectories. We characterized effects of early-life (age 0-5) and ongoing stressors (age 14-17) on longitudinal changes (age 14 to17) in grey matter volume (GMV) of healthy adolescents (n = 37). Timing and stressor type were related to differential GMV changes. More personal early-life stressful events were associated with larger developmental reductions in GMV over anterior prefrontal cortex, amygdala and other subcortical regions; whereas ongoing stress from the adolescents' social environment was related to smaller reductions over the orbitofrontal and anterior cingulate cortex. These findings suggest that early-life stress accelerates pubertal development, whereas an adverse adolescent social environment disturbs brain maturation with potential mental health implications: delayed anterior cingulate maturation was associated with more antisocial traits - a juvenile precursor of psychopathy.
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