Alcohol and Alcoholism Vol. 38, No. 1, pp. 35-39, 2003
© 2003 Medical Council on Alcohol
REWARD CRAVING AND WITHDRAWAL RELIEF CRAVING: ASSESSMENT OF DIFFERENT MOTIVATIONAL PATHWAYS TO ALCOHOL INTAKE
1 Department of Addictive Behaviour and Addiction Medicine, Departments of
2 Clinical Psychology and
3 Biostatistics, Central Institute of Mental Health, Mannheim and
4 Department of Psychiatry of the Charité, Humboldt University, Berlin, Germany
Received 31 December 2001; in revised form 11 June 2002; accepted 28 June 2002
— Aims: Craving for the rewarding effects of alcohol may be evoked by conditioned alcohol-like effects whereas conditioned compensatory responses may induce withdrawal relief craving. We tested the hypothesis that drinking in positive emotional states is associated with appetitive reactions to alcohol-associated cues and contributes to reward craving, while conditioned withdrawal is associated with drinking in negative situations and distressful, obsessive preoccupations with alcohol. Methods: In 38 detoxified alcoholics, the Obsessive Compulsive Drinking Scale was used to assess the craving factors ‘impaired control’, ‘interference with social functioning’ and ‘obsession’. Affective responses to alcohol-associated visual stimuli were measured with the affect-modulated eyeblink startle reflex, positive and negative drinking situations with the Inventory of Drinking Situations (IDS) and withdrawal-like symptoms preceding alcohol intake with the revised Clinical Institute Assessment for Alcohol Scale (CIWA-Ar). Results: Appetitive reactions to alcohol-associated cues correlated positively with drinking in positive situations and contributed significantly to the craving factor ‘interference’ with social and work functioning. The severity of withdrawal-like symptoms preceding alcohol intake contributed to the craving factor ‘obsession’; however, contrary to our hypothesis, this measure of conditioned withdrawal correlated with drinking not only in negative but also in positive situations. Conclusions: Drinking in positive and negative situations, appetitive reactions to alcohol and withdrawal-like symptoms contributed differentially to the craving factors ‘obsession’ and ‘interference’, supporting the notion of different craving factors with separate underlying mechanisms.
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