Auditory P300 and self-reported impulsive aggression

John E. Gerstle, Charles W. Mathias, Matthew S. Stanford

Research output: Contribution to journalArticlepeer-review

50 Scopus citations

Abstract

1. The purpose of the present study was to determine the cognitive psychophysiological correlates of impulsive aggression in a population considered 'normal' by societal standards: college students. 2. Auditory event-related potentials were acquired on all subjects during a standard oddball task. The stimuli consisted of a random sequence of two tones, a frequent 1,000 Hz tone and a rare 2,000 Hz tone. Tones were presented in a ratio of 80/20. 3. Results of the study demonstrated that impulsive aggressive subjects show significantly lower P300 amplitude at frontal electrode sites when compared to nonaggressive controls. 4. These findings are consistent with the psychophysiological findings in impulsive aggressive incarcerated criminals and support the notion of a specific behavioral syndrome associated with spontaneous aggressive outbursts.

Original languageEnglish (US)
Pages (from-to)575-583
Number of pages9
JournalProgress in Neuro-Psychopharmacology and Biological Psychiatry
Volume22
Issue number4
DOIs
StatePublished - May 1 1998
Externally publishedYes

Keywords

  • Aggression
  • Event-related potentials
  • Impulsiveness
  • P300

ASJC Scopus subject areas

  • Pharmacology
  • Biological Psychiatry

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