2013年5月28日星期二

High IQ children and adolescents with ADHD tend to suffer from significant executive function impairments



High IQ people is often envied by most of the people. It is recognized that high IQ people has so much advantages than the general population no matter in work or study nearly by all.It seems like they are entitled to special treatment.Is high IQ really unassailable?May be the damn research will subvert your impression on high IQ:
Method: From charts of 117 children and adolescents aged 6 to 17 years with high IQ ( ≥ 120) who fully met DSM-IV diagnostic criteria for ADHD, data on 8 normed measures of executive function (EF) were extracted: IQ index scores for working memory and processing speed, a standardized measure of auditory verbal memory, and 5 clusters of the Brown ADD Scale, a normed, age-graded rating scale for ADHD-related executive function impairments in daily life. Significant impairment was computed for each individual relative to age-appropriate norms for each measure and comparisons were made to base-line rates in the general population.
Results: Sixty-two percent of participants were significantly impaired on at least 5 of these 8 markers of EF. Chi-square comparisons of scores from these high IQ participants were significantly different (p < 0.001) from standardization norms for each of the eight EF measures.
Through this experimentthe researchers conclude that high IQ children and adolescents with ADHD, despite their cognitive strengths, tend to suffer from significant impairments of executive functions that can be assessed with these measures; incidence of these impairments is significantly greater than in the general population. These results are fully consistent with data on high IQ adults diagnosed with ADHD.

(source:SCIRP/ Psychiatry)

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