期刊
JOURNAL OF CLINICAL PSYCHIATRY
卷 69, 期 1, 页码 32-40出版社
PHYSICIANS POSTGRADUATE PRESS
DOI: 10.4088/JCP.v69n0105
关键词
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资金
- NHLBI NIH HHS [K30 HL04095] Funding Source: Medline
- NATIONAL HEART, LUNG, AND BLOOD INSTITUTE [K30HL004095] Funding Source: NIH RePORTER
Objective: Because neuroimaging studies have shown that cue-provoked smoking craving is associated with changes in the activity of the bilateral dorsolateral prefrontal cortex (DLPFC), we aimed to investigate whether a powerful technique of noninvasive brain stimulation, transcranial direct current stimulation (tDCS), reduces cue-provoked smoking craving as indexed by a visual analog scale. Method: We performed a randomized, sham-controlled crossover study in which 24 subjects received sham and active tDCS (anodal tDCS of the left and right DLPFC) in a randomized order. Craving was induced by cigarette manipulation and exposure to a smoking video. The study ran from January 2006 to October 2006. Results: Smoking craving was significantly increased after exposure to smoking-craving cues (p < .0001). Stimulation of both left and right DLPFC with active, but not sham, tDCS reduced craving significantly when comparing craving at baseline and after stimulation, without (p = .007) and with (p = .005) smoking-craving cues. There were no significant mood changes in any of the conditions of stimulation. Adverse events were mild and distributed equally across all treatment conditions. Conclusions: Our findings extend the results of a previous study on the use of brain stimulation to reduce craving, showing that cortical stimulation with tDCS is beneficial for reducing cue-provoked craving, and thus support the further exploration of this technique for smoking cessation.
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