ArticleEuropean psychiatry : the journal of the Association of European Psychiatrists2021
Genetic influences on externalizing psychopathology overlap with cognitive functioning and show developmental variation.
Article in European psychiatry : the journal of the Association of European Psychiatrists, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.
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Who cites it
5 citing papers in PubMed, 1 synthesis or guideline pooled it.
- A Developmentally Informed Systematic Review and Meta-Analysis of the Strength of General Psychopathology in Childhood and Adolescence.Clinical child and family psychology review · 2024Pooled it
- Gene × sex interactions on cognition in the Philadelphia neurodevelopmental cohort.Biology of sex differences · 2026Article
- Ethnic Discrimination Moderates Genetic Influences on Adolescent Internalizing and Externalizing Psychopathology.Behavior genetics · 2026Article
- On the importance of parenting in externalizing disorders: an evaluation of indirect genetic effects in families.Journal of child psychology and psychiatry, and allied disciplines · 2022Article
- Editorial: New trends in psychiatric research: Toward the clinical characterization of the individual case and the personalization of treatments.Frontiers in psychiatry · 2022Article
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14 authors.
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Abstract
backgroundQuestions remain regarding whether genetic influences on early life psychopathology overlap with cognition and show developmental variation.
methodsUsing data from 9,421 individuals aged 8-21 from the Philadelphia Neurodevelopmental Cohort, factors of psychopathology were generated using a bifactor model of item-level data from a psychiatric interview. Five orthogonal factors were generated: anxious-misery (mood and anxiety), externalizing (attention deficit hyperactivity and conduct disorder), fear (phobias), psychosis-spectrum, and a general factor. Genetic analyses were conducted on a subsample of 4,662 individuals of European American ancestry. A genetic relatedness matrix was used to estimate heritability of these factors, and genetic correlations with executive function, episodic memory, complex reasoning, social cognition, motor speed, and general cognitive ability. Gene × Age analyses determined whether genetic influences on these factors show developmental variation.
resultsExternalizing was heritable (h2 = 0.46, p = 1 × 10-6), but not anxious-misery (h2 = 0.09, p = 0.183), fear (h2 = 0.04, p = 0.337), psychosis-spectrum (h2 = 0.00, p = 0.494), or general psychopathology (h2 = 0.21, p = 0.040). Externalizing showed genetic overlap with face memory (ρg = -0.412, p = 0.004), verbal reasoning (ρg = -0.485, p = 0.001), spatial reasoning (ρg = -0.426, p = 0.010), motor speed (ρg = 0.659, p = 1x10-4), verbal knowledge (ρg = -0.314, p = 0.002), and general cognitive ability (g)(ρg = -0.394, p = 0.002). Gene × Age analyses revealed decreasing genetic variance (γg = -0.146, p = 0.004) and increasing environmental variance (γe = 0.059, p = 0.009) on externalizing.
conclusionsCognitive impairment may be a useful endophenotype of externalizing psychopathology and, therefore, help elucidate its pathophysiological underpinnings. Decreasing genetic variance suggests that gene discovery efforts may be more fruitful in children than adolescents or young adults.
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