Exekutive Funktionen bei Jungen mit Aufmerksamkeitsdefizit-/Hyperaktivitätsstörung im Kindesalter
Abstract
Die Studie ging der Frage nach, ob die uneinheitlichen Befunde zu einem globalen Defizit in exekutiven Funktionen bei Kindern mit Aufmerksamkeitsdefizit-/Hyperaktivitätsstörung (ADHS) durch Altersunterschiede erklärt werden können. Es wurde ein zweifaktorieller Versuchsplan mit den Faktoren „Gruppe“ (n = 45 Jungen mit ADHS vom Mischtyp vs. n = 45 gesunde, nach Alter und Intelligenz parallelisierte Jungen) und „Alter“ (8 – 9 vs. 10 – 12 Jahre) untersucht. Insgesamt zeigten die Jungen mit ADHS in allen exekutiven Komponenten signifikant schlechtere Leistungen als die gesunden Jungen. Außerdem wiesen die jüngeren Jungen schlechtere exekutive Leistungen auf als die älteren Jungen. Demnach sprechen unsere Befunde für ein globales Defizit in den exekutiven Funktionen und für die Annahme einer Entwicklungsabweichung bei Jungen mit ADHS.
This study aimed to investigate whether inconclusive results concerning a generalized executive function deficit among children with attention-deficit/hyperactivity disorder (ADHD) can be explained by age differences. A two-factorial design with the between-subjects factors “group” (n = 45 boys with ADHD combined subtype vs. n = 45 healthy boys matched by age and verbal intelligence) and “age group” (8 – 9 vs. 10 – 12 years) was applied. Boys with ADHD showed impairments in all executive functions compared to healthy controls. Moreover, younger boys performed worse than older boys in all tasks. Thus, results support a general deficit in executive functions and a developmental deviation model.
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