, Volume 113, Issue 9, pp 1287-1298
Date: 06 Feb 2006

Personality profile in type I alcoholism: long duration of alcohol intake and low serotonergic activity are predictive factors of anxiety proneness

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The aim of the present study was to further investigate personality profiles in male type I alcohol-dependent subjects (n = 33), in relation to central serotonergic neurotransmission, history of excessive alcohol consumption and present use of tobacco. Central serotonergic neurotransmission was assessed by the prolactin (PRL) response to D-fenfluramine. By using the Temperament and Character Inventory and the Karolinska Scales of Personality, all subjects self-rated their personality profile. The results showed that individuals with low PRL response and long duration of excessive alcohol consumption had significantly higher anxiety proneness, and that years of excessive alcohol consumption was the strongest predictor. Long duration of excessive alcohol consumption thus appears to have an influence on personality traits in male type I alcohol-dependent individuals and these personality traits may therefore be a consequence of, rather than preceding, alcoholism in these individuals.