J Korean Acad Child Adolesc Psychiatry.  2008 Jun;19(2):104-111.

A Preliminary Study for Continuous Performance Test by Subtypes of Attention-Deficit Hyperactivity Disorder

Affiliations
  • 1Subdivision of Child & Adolescent Psychiatry, Department of Neuropsychiatry, College of Medicine, Kyung Hee University, Seoul, Korea. berbet@khmc.or.kr
  • 2Department of Counseling & Psychology, Gwangju Women's University, Gwangju, Korea.

Abstract


OBJECTIVES
The purpose of this study was to compare two subtypes of attention-deficit hyperactivity disorder (ADHD) and controls in their attention using ADHD diagnostic system(ADS), a kind of continuous performance test.
METHODS
Subjects of this study were 8 children with ADHD-predominantly inattentive type, 28 children with ADHDcombined type and 20 control children. Ages ranged from 5 to 14 years. The Korean Educational Development Institute version of the Wechsler Intelligence Scale for Children(KEDI-WISC) and the ADS were administered to all subjects to provide measures of intelligence and attention.
RESULTS
Significant differences were found in the ADS variables for the three groups. When compared with controls, the ADHD-predominantly inattentive type children scored significantly higher on the omission error at middle stage and later stage and ADHD-combined type children scored significantly higher on the omission error and reaction time at later stage. When compared with the other two groups, the ADHD-combined type children scored significantly higher on the commission error at all three stages.
CONCLUSION
Our results suggest that the two subtypes of ADHD have different features in attention deficit. And there was a possibility that commission error is available variable to show cognitive characteristics of ADHD-combined type than any other ADS variables. Further studies are needed to evaluate this finding.

Keyword

ADHD Subtypes; Continuous Performance Test; Inattention; Omission Error; Commission Error

MeSH Terms

Child
Humans
Intelligence
Reaction Time
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