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Trajectories of cerebral cortical development in childhood and adolescence and adult attention-deficit/hyperactivity disorder.

ABSTRACT: BACKGROUND:Childhood attention-deficit/hyperactivity disorder (ADHD) persists into adulthood in around half of those affected, constituting a major public health challenge. No known demographic, clinical, or neuropsychological factors robustly explain the clinical course, directing our focus to the brain. Herein, we link the trajectories of cerebral cortical development during childhood and adolescence with the severity of adult ADHD. METHODS:Using a longitudinal study design, 92 participants with ADHD had childhood (mean 10.7 years, SD 3.3) and adult clinical assessments (mean 23.8 years, SD 4.3) with repeated neuroanatomic magnetic resonance imaging. Contrast was made against 184 matched typically developing volunteers. RESULTS:Attention-deficit/hyperactivity disorder persisted in 37 (40%) subjects and adult symptom severity was linked to cortical trajectories. Specifically, as the number of adult symptoms increased, particularly inattentive symptoms, so did the rate of cortical thinning in the medial and dorsolateral prefrontal cortex. For each increase of one symptom of adult ADHD, the rate of cortical thinning increased by .0018 mm (SE = .0004, t = 4.2, p < .0001), representing a 5.6% change over the mean rate of thinning for the entire group. These differing trajectories resulted in a convergence toward typical dimensions among those who remitted and a fixed, nonprogressive deficit in persistent ADHD. Notably, cortical thickening or minimal thinning (greater than -.007 mm/year) was found exclusively among individuals who remitted. CONCLUSIONS:Adult ADHD status is linked with the developmental trajectories of cortical components of networks supporting attention, cognitive control, and the default mode network. This informs our understanding of the developmental pathways to adult ADHD.

SUBMITTER: Shaw P

PROVIDER: S-EPMC5922431 | biostudies-literature | 2013 Oct

REPOSITORIES: biostudies-literature

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Trajectories of cerebral cortical development in childhood and adolescence and adult attention-deficit/hyperactivity disorder.

Shaw Philip P Malek Meaghan M Watson Bethany B Greenstein Deanna D de Rossi Pietro P Sharp Wendy W

Biological psychiatry 20130528 8

<h4>Background</h4>Childhood attention-deficit/hyperactivity disorder (ADHD) persists into adulthood in around half of those affected, constituting a major public health challenge. No known demographic, clinical, or neuropsychological factors robustly explain the clinical course, directing our focus to the brain. Herein, we link the trajectories of cerebral cortical development during childhood and adolescence with the severity of adult ADHD.<h4>Methods</h4>Using a longitudinal study design, 92 ...[more]

PMID: 23726514

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Project description:PURPOSE:Disordered eating is more prevalent among adolescents with attention deficit/hyperactivity disorder. Both inattention and hyperactivity/impulsivity symptoms show strong associations with disordered eating, but few investigations of these associations have been longitudinal. Thus, we examined the effect of childhood to adolescent inattention and hyperactivity/impulsivity symptom trajectories on late adolescent disordered eating. METHODS:We used growth mixture modeling to identify distinct inattention and hyperactivity/impulsivity symptom trajectories (called "classes") across three time points (ages 8-9, 13-14, and 16-17 years) in the Swedish Twin study of CHild and Adolescent Development. The resulting classes were used to predict Eating Disorder Inventory-2 Bulimia, Drive for Thinness, and Body Dissatisfaction subscales at age 16-17 years, with adjustment for sex and body mass index at age 16-17 years. RESULTS:The combined inattention and hyperactivity/impulsivity symptom trajectory classes included: a "low symptom" class characterized by low inattention and hyperactivity/impulsivity throughout childhood/adolescence; a "predominantly inattention" class characterized by elevated inattention, but not hyperactivity/impulsivity, throughout childhood/adolescence; a "predominantly hyp/imp" class characterized by elevated hyperactivity/impulsivity, but not inattention, throughout childhood/adolescence; and a "both inattention and hyp/imp" class characterized by elevated inattention and hyperactivity/impulsivity throughout childhood/adolescence. After adjusting for sex and body mass index or sex and anxiety/depression symptoms, the "both inattention and hyp/imp" (vs. "low symptom") class predicted significantly higher Eating Disorder Inventory-2 subscale scores during late adolescence. CONCLUSIONS:Increased vigilance for disordered eating among children who have both inattention and hyperactivity/impulsivity symptoms throughout childhood and adolescence could aid in early identification of eating disorders.

Dataset Information

Trajectories of cerebral cortical development in childhood and adolescence and adult attention-deficit/hyperactivity disorder.

Publications

Trajectories of cerebral cortical development in childhood and adolescence and adult attention-deficit/hyperactivity disorder.

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