Sleep Med Psychophysiol.  1995 Dec;2(2):165-170.

EP Augmenting/Reducing : Personality Correlates and Topographic Distribution

  • 1Yonjung Brain Function and Sleep Research Center, Seoul, Korea.
  • 2Department of Psychiatry, University of California, Irvine, California, U.S.A.


Augmenting-reducing evoked potentials(AREP) were studied in 38 college students to explore the topographic distribution between AR slope and personality. The Zuckerman Seeking Scale(SSS) and Eysenck Personality Questionnaire(EPQ) assessed personality. There was a significant positive correlation between AR slope and Extraversion-Introversion(E) in the frontocentral area : the right posterior area showed a significant negative correlation with E. The Thrill and Adventure Seeking(TAS) subscale showed a significant negative correlation with slope in the right posterior temporal area. The average slope map of all subjects revealed a distribution showing more augmenting in frontocentral areas and more reducing in posterior areas.


Visual evoked potential; Personality; Brain mapping
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