Document Detail


Alcohol selectively reduces brain activity during the affective processing of negative information.
MedLine Citation:
PMID:  17433007     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Although it has frequently been suggested that alcohol influences emotions such as anxiety and fear through the modulation of affective information processing, few studies addressed this topic using objective measures. OBJECTIVES: The acute effects of alcohol on affective processing of pictorial stimuli were investigated using electrophysiological measures. METHODS: Event-related brain potentials (ERP) resulting from watching pleasant, unpleasant, and neutral pictures were investigated in a group of participants receiving a beverage containing a moderate dose of alcohol (n=26) and a group of participants receiving a nonalcoholic placebo beverage (n=24). Both early [early posterior negativity (EPN)] and late [late positive potential (LPP)] ERP components were employed as index of emotional processing. RESULTS: The results show that alcohol reduced brain activity during watching unpleasant information in a late stage (700-1000 ms). This suggests that alcohol selectively influences the processing of unpleasant information. CONCLUSIONS: The findings are in concordance with theories linking alcohol administration to decreased processing of affective information. The results are discussed in the context of the role of the effect of alcohol on affective information processing, and its relevance to alcoholism.
Authors:
Ingmar H A Franken; Ilse M T Nijs; Peter Muris; Jan W Van Strien
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't     Date:  2007-04-13
Journal Detail:
Title:  Alcoholism, clinical and experimental research     Volume:  31     ISSN:  0145-6008     ISO Abbreviation:  Alcohol. Clin. Exp. Res.     Publication Date:  2007 Jun 
Date Detail:
Created Date:  2007-05-21     Completed Date:  2007-08-14     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7707242     Medline TA:  Alcohol Clin Exp Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  919-27     Citation Subset:  IM    
Affiliation:
Institute of Psychology, Erasmus University Rotterdam, Rotterdam, The Netherlands. franken@fsw.eur.nl
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Central Nervous System Depressants / blood,  pharmacology*
Emotions / drug effects*
Ethanol / blood,  pharmacology*
Evoked Potentials, Visual / drug effects*
Female
Humans
Male
Mental Processes / drug effects*
Chemical
Reg. No./Substance:
0/Central Nervous System Depressants; 64-17-5/Ethanol

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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