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A Pilot Study Revealing Impaired P50 Gating in Antisocial Personality Disorder

Received January 22, 2008; revised April 17, 2008; accepted April 21, 2008. Drs. Lijffijt, Moeller, Steinberg, Lane, and Swann are affiliated with the Department of Psychiatry and Behavioral Sciences, University of Texas, Houston. Dr. Boutros and S. Burroughs are affiliated with the Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, MI. Address correspondence to Marijn Lijffijt, Ph.D., 1300 Moursund Street, Houston, TX 77030; marijn.lijffijt{at}uth.tmc.edu (e-mail).

ABSTRACT

The authors investigated preattentive filtering assessed by P50 gating in nine participants with antisocial personality disorder (ASPD) and seven with adult-onset antisocial behavior (AAB). Relative to 15 comparison subjects, gating was impaired in ASPD, suggesting abnormal pre-attentive filtering in pathological impulsivity.

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