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Neurosci Lett. 1999 Jun 18;268(2):57-60.

Post-withdrawal changes in middle-latency auditory evoked potentials in abstinent human alcoholics.

Author information

  • 1Department of Psychology, University of Helsinki, Finland. jyrki.ahveninen@helsinki.fi

Abstract

We investigated the effects of chronic alcoholism on middle-latency auditory evoked potentials (MAEP) in 14 male alcoholics with 1-6 weeks of abstinence (without other severe disorders) and 13 age-matched male social-drinker controls. The peak amplitude of a positive deflection (Pa) of the MAEP, peaking at about 30 ms post-stimulus, was significantly larger in the alcoholics than in the controls (P < 0.01), and notably, a significant negative correlation (r = -0.65) was observed between the Pa amplitude and duration of abstinence in the alcoholics. The present results suggest that the post-withdrawal brain hyperexcitability in the alcoholic brain, gradually recovering with abstinence, could be objectively and non-invasively studied with the MAEP.

PMID:
10400077
[PubMed - indexed for MEDLINE]
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