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Although mood and behavioral symptoms are described in this group, it's unclear whether these meet diagnostic criteria. We investigated the occurrence of neurodevelopmental and psychiatric disorders in a nationally representative sample, using a semistructured psychiatric interview, as well as the use of psychotropic medication. Ten of 20 individuals met the criteria for one or more current diagnoses, with an additional 5 having past diagnoses, resulting in a lifetime occurrence in 15 individuals. Anxiety disorders were the most frequent diagnostic group, followed by neurodevelopmental disorders. Attention-deficit hyperactivity disorder was the most common single diagnosis. Subthreshold psychiatric symptoms were present in all individuals. Although psychiatric disorders were frequent, few used psychotropic medication. 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