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Brain Dev. 2005 Aug;27(5):345-8.

Symptoms related to ADHD observed in patients with pervasive developmental disorder.

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Department of Child Neurology, Graduate School of Medicine and Dentistry, Okayama University, Okayama 700-8558, Japan.


To elucidate attention-deficit/hyperactivity disorder (ADHD)-related factors observed in high-function pervasive developmental disorder (PDD) and their impact on daily life, we classified high-function PDD patients according to the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) criteria for ADHD with the exception of the exclusion criteria (coexistence with PDD), and studied the relationship between ADHD-related aspects and daily behavior problems using the Child Behavior Checklist (CBCL). The subjects were divided into two groups: Group 1, eight patients less than 6 years of age; and Group II, eight patients 6 years of age and older. Six patients in Group II met the criteria for ADHD. Five of them were classified as having the predominantly inattentive type of ADHD, and the remaining patient exhibited the combined type. However, no patient in Group I met the criteria for ADHD, suggesting the low sensitivity of the DSM-IV criteria for assessing the inattentiveness of preschoolers. The analyses of the correlation between corresponding items in the DSM-IV criteria and CBCL scores suggested that ADHD-related symptoms in high-function PDD patients have an impact on their daily lives.

[Indexed for MEDLINE]

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