The influence of smoking on reward responsiveness and cognitive functions: a natural experiment.


AIMS To investigate the effects of (a) nicotine abstinence and (b) cigarette smoking after abstinence, on reward responsiveness and cognitive functions which are putatively dependent on activity in the dopaminergic system implicated in smoking. DESIGN During Ramadhan, Muslim smokers elected to abstain from smoking either for the whole month (RAMQUIT) or… (More)


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