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The DRD4 VNTR polymorphism influences reactivity to smoking cues
Journal of Abnormal Psychology
Recent research has indicated that craving for tobacco can be reliably elicited by exposure to smoking cues, suggesting that cue-elicited craving for tobacco may be a useful phenotype for research on genetic factors related to nicotine dependence. Given the potential role of dopamine in cue-elicited craving, the authors examined whether the DRD4 VNTR polymorphism is associated with cue-elicited craving for tobacco. Participants who were homozygous or heterozygous for the 7 repeat (or longer)doi:10.1037/0021-843x.111.1.134 fatcat:dmwnbqknmrgerhsr4nfhimnwmm