Effect of stage of change on cue reactivity in continuing smokers.

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Abstract
Three classical conditioning models (the conditioned compensatory response, conditioned withdrawal, and conditioned appetitive motivational models) postulate that drug cues evoke physiological and emotional responses associated with motivational states that prompt drug use. There is accumulating evidence to suggest that factors other than classical conditioning can influence emotional and physiological reactivity to drug stimuli. This study tested whether stage of change affects the nature of reactivity to smoking cues among continuing smokers. Precontemplators (smokers not considering quitting) and contemplators (smokers considering quitting in the near future) watched videotapes containing smoking cues. Emotional and physiological responses to the smoking video were contrasted with responses to a neutral videotape. Precontemplators had lower heart rates than did contemplators in response to the smoking videotape. Both contemplators and precontemplators evinced increased positive affect in response to the smoking cue. A comparison sample of nonsmokers did not show any reactivity to the smoking cue. Implications of these findings for conditioning theories of smoking are discussed.

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