Abstract
Executive function deficits have been previously documented in individuals with Attention Deficit Hyperactivity Disorder (ADHD).ObjectiveThe current study aimed to compare measures of executive functions among a clinical sample of adults with ADHD and normal control subjects, matched for age, gender and education.MethodsTwenty-three self-referred adults diagnosed with ADHD according to DSM-IV criteria, and twenty-five control subjects were assessed using a neuropsychological battery which included the Wisconsin Card Sorting Test, Tower of Hanoi, Digit Span, Trail Making Test (A and B), Stroop Test and Raven’s Progressive Matrices.ResultsThe ADHD group did not differ significantly from the control subjects on any of the measures assessed.ConclusionMeasures of executive functions using this test battery were unable to discriminate between adults with ADHD and control subjects in this clinical sample.
Highlights
Executive function deficits have been previously documented in individuals with Attention Deficit Hyperactivity Disorder (ADHD)
We found no differences between ADHD and control groups in neuropsychological tests results compared using nonparametric analysis (U-test)
Some authors have suggested that the lack of differences found in studies that have used classic tests of executive functions (EFs) should be expected since such measures were not developed to evaluate persons with ADHD.[15]
Summary
Abstract – Executive function deficits have been previously documented in individuals with Attention Deficit Hyperactivity Disorder (ADHD). Objective: The current study aimed to compare measures of executive functions among a clinical sample of adults with ADHD and normal control subjects, matched for age, gender and education. Conclusion: Measures of executive functions using this test battery were unable to discriminate between adults with ADHD and control subjects in this clinical sample. Objetivo: O presente estudo objetivou comparar medidas de funções executivas entre adultos portadores de TDAH e controles normais, pareados por idade, sexo e escolaridade. Conclusão: A bateria de testes de funções executivas utilizada no presente estudo não foi capaz de discriminar adultos portadores de TDAH de controles desta amostra clínica. Some dysexecutive symptoms may be related to comorbid conditions in ADHD; for example, impulsivity and inattention may be linked to Eating Disorders, which were first documented as highly comorbid in ADHD by our group.[3]
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