D-amphetamine challenge effects on Wisconsin Card Sort Test. Performance in schizotypal personality disorder.
(Clinical Trial;Journal Article)
The authors assessed the effects on Wisconsin Card Sort (WCST) performance and psychiatric symptoms of 30 mg d-amphetamine, a dopamine and norepinephrine agonist, vs placebo in nine patients with schizotypal personality disorder (SPD). Patients, particularly those who made more perseverative errors, demonstrated amphetamine-associated improvement on WCST performance. The data in this preliminary study suggest that some of the cognitive dysfunction present in SPD may improve with amphetamine challenge.
Siegel, BV; Trestman, RL; O'Flaithbheartaigh, S; Mitropoulou, V; Amin, F; Kirrane, R; Silverman, J; Schmeidler, J; Keefe, RS; Siever, LJ
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