To investigate the role of personality factors and attentional biases towards emotional faces, in establishing concurrent and prospective risk for mental disorder diagnosis in adolescence.
Data were obtained as part of the IMAGEN study, conducted across 8 European sites, with a community sample of 2257 adolescents. At 14 years, participants completed an emotional variant of the dot-probe task, as well two personality measures, namely the Substance Use Risk Profile Scale and the revised NEO Personality Inventory. At 14 and 16 years, participants and their parents were interviewed to determine symptoms of mental disorders.
Personality traits were general and specific risk indicators for mental disorders at 14 years. Increased specificity was obtained when investigating the likelihood of mental disorders over a 2-year period, with the Substance Use Risk Profile Scale showing incremental validity over the NEO Personality Inventory. Attentional biases to emotional faces did not characterise or predict mental disorders examined in the current sample.
Personality traits can indicate concurrent and prospective risk for mental disorders in a community youth sample, and identify at-risk youth beyond the impact of baseline symptoms. This study does not support the hypothesis that attentional biases mediate the relationship between personality and psychopathology in a community sample. Task and sample characteristics that contribute to differing results among studies are discussed.
This work was supported by The IMAGEN study, which receives research funding from the European Community’s Sixth Framework Programme (LSHM-CT-2007-037286). Further support was provided by the FP7 projects ADAMS (genomic variations underlying common neuropsychiatric diseases and disease-related cognitive traits in different human populations; 242257), the Innovative Medicine Initiative Project EU-AIMS (115300-2), the UK National Institute for Health Research Biomedical Research Centre Mental Health, the Medical Research Council Programme Grant ‘Developmental pathways into adolescent substance abuse’ (93558), the German Bundesministerium für Bildung und Forschung (NGFN Plus; FKZ: 01GS08152), as well as the Fondation de Recherche Santé-Québec (Chercheur-Boursier Pc 20393). Ms. O’Leary-Barrett is supported by an Aides a la Formation-Recherche (AFR) grant from the Fonds National de Recherche (FNR) du Luxembourg and Le Centre de Documentation et d’Information sur l’Enseignement Supérieur (CEDIES) Luxembourg. Dr. Conrod is supported by a Scientist career (2010–2013) award from the Fondation de Recherche en Santé du Québec (FRSQ), a Canadian Institute of Health Research (CIHR) grant, and funding from the National Institute for Health, Research Biomedical Research Centre for Mental Health at the South London and Maudsley National Health Service Foundation Trust, at the Institute of Psychiatry, King’s College, London. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
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