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Student
Title
Supervisor
Faculty
Educational Programme
Final Grade
Year of Graduation
Burachai Asawathaweeboon
The Investigation of Compulsive Buying Behavior by Transcranial Direct Current Stimulation (TDCS) of Dorsal Lateral Prefrontal Cortex (DLPFC)
2017
Compulsive buying is a phenomenon that needs to be treated as a behavioral addiction. The present study investigated the effect of Transcranial Direct Current stimulation (tDCS) over Dorsal Lateral Prefrontal Cortex (DLPFC) as an alternative treatment for compulsive buying.

42 participants (21 for each group namely compulsive and non-compulsive buyers) received 3 separate session of tDCS, bilateral over the DLPFC (left-cathode, right-anode), cathodal over the left DLPFC, and sham stimulation (using cathodal over the left DLPFC) followed by a shop task and a flanker task (control task) in a randomized and counterbalanced ordered across participant.

Results showed that bilateral stimulation decrease buying behavior in the shop task without effect for the flanker task on both group of participants. Moreover, cathodal stimulation (only left DLPFC) decreased speed of performance (Reaction Times) in the flanker task, only for the compulsive buyers group.

These findings confirmed the effect of bilateral tDCS over DLPFC on behavioral addiction.

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