Multiple Sources of Attentional Dysfunction in Adults With Tourette's Syndrome: Comparison With Attention Deficit-Hyperactivity Disorder

Steven M. Silverstein, Peter G. Como, Donna R. Palumbo, Laura L. West, Leah M. Osborn

Research output: Contribution to journalArticlepeer-review

Abstract

Seventeen adult Tourette's syndrome (TS) patients, 17 adult attention deficit-hyperactivity disorder (ADHD) patients, and 17 adult controls completed a battery of attentional tests and self-report measures of ADHD and obsessive-compulsive disorder (OCD) symptoms. ADHD but not TS participants performed significantly worse than controls on tests of mental flexibility and psychomotor speed. Both the ADHD and TS groups, however, had significantly greater test performance variability as well as several outliers on most of the measures. Among TS patients, those with comorbid ADHD performed significantly worse than TS patients without ADHD on tests of mental flexibility and psychomotor speed, suggesting ADHD-related attentional impairment in TS. In addition, greater amounts of OCD symptomatology were associated with poorer test performance among TS patients.

Original languageEnglish (US)
Pages (from-to)157-164
Number of pages8
JournalNeuropsychology
Volume9
Issue number2
DOIs
StatePublished - Apr 1995
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Neuropsychology and Physiological Psychology

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