Journal
INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY
Volume 65, Issue 3, Pages 284-293Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijpsycho.2007.05.006
Keywords
nicotine; tobacco; addiction memory; perception-action cycle; interference; emotion; ERP
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The concept of a specific memory network that drives addictive behavior has often been discussed in relation to the phenomenon of sudden relapse into addiction after years of abstinence. But there is still a lack of data that shows a link between drug-related cue processing and specific changes of behavior in addicts. In the present study we investigated the relationship between smoking-related picture processing, performance in a color matching task, and ERP topographies. Fifteen smokers and 19 non-smoking participants performed a color matching task including monochromic pictures with smoking-related and neutral content. Smokers and non-smokers showed remarkable differences between stimulus category-related ERP topographies. Furthermore, both smokers and non-smokers showed increased reaction times during color matching when the picture contents were related to smoking behavior. The results are discussed with respect to different drug-cue-related patterns of information processing in smokers and non-smokers. (c) 2007 Elsevier B.V All rights reserved.
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