No effect of repetitive tDCS on daily smoking behaviour in light smokers: A placebo controlled EMA study

The effectiveness of repetitive transcranial Direct Current Stimulation (tDCS) on reducing smoking behaviour has been studied with mixed results. Smoking behaviour is influenced by affect and context, therefore we choose to use mobile ecological momentary assessments (EMA) to measure changes in smok...

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Bibliographic Details
Published in:PloS one 2020-05, Vol.15 (5), p.e0233414-e0233414
Main Authors: Verveer, Ilse, Remmerswaal, Danielle, Jongerling, Joran, van der Veen, Frederik M, Franken, Ingmar H A
Format: Article
Language:English
Subjects:
Addictions
Addictive behaviors
Behavior
Biology and Life Sciences
Cell phones
Cellular telephones
Cigarettes
Desire
Direct current
Drug use
Education
Electric currents
Electrical stimulation of the brain
ESB
Magnetic brain stimulation
Medicine and Health Sciences
Methods
Motivation
Research and Analysis Methods
Smokers
Smoking
Smoking cessation
Social Sciences
Studies
Testing
Tobacco
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Summary:The effectiveness of repetitive transcranial Direct Current Stimulation (tDCS) on reducing smoking behaviour has been studied with mixed results. Smoking behaviour is influenced by affect and context, therefore we choose to use mobile ecological momentary assessments (EMA) to measure changes in smoking behaviour after tDCS. In a randomized, placebo-controlled, between subject study, we applied tDCS bilaterally with the anodal electrode targeting the right DLPFC (https://clinicaltrials.gov/ct2/show/NCT03027687). Smokers were allocated to six sessions of either active tDCS (n = 35) or sham tDCS (n = 36) and received two sessions on three different days in one week. They were asked to keep track of their daily cigarette consumption, craving and affect in an application on their mobile phones for three months starting one week before the first tDCS session. Number of smoked cigarettes a day progressively decreased up to one week after the last tDCS session in both conditions. Active treatment had no additional effect on cigarette consumption, craving and affect. In this exploratory study, repetitive bilateral tDCS over the DLPFC had no effect on daily smoking behaviour. Future research needs to investigate how motivation to quit smoking and the number of tDCS sessions affect the efficacy of repetitive tDCS.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0233414