Synergistic efficacy of cognitive-behavioral therapy and transcranial direct current Stimulation targeting the dorsolateral prefrontal cortex on baseline craving and cue-induced craving in methamphetamine dependence

Document Type : Research Paper

Authors

1 Ph.D. student in psychology, Faculty of Educational Sciences and Psychology, Islamic Azad University, Bojnord Branch, Bojnord, Iran.

2 Department of Clinical Psychology, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.

3 Assistant professor of psychology, Faculty of Educational Sciences and Psychology, Islamic Azad University, Bojnord Branch, Bojnord, Iran.

10.22038/JFMH.2025.86815.3230

Abstract

Introduction: Methamphetamine (crystal meth) is a highly addictive stimulant with devastating effects on the human mind and body. This study aimed to investigate the synergistic efficacy of combined Cognitive-Behavioral Therapy (CBT) and transcranial Direct Current Stimulation (tDCS) targeting the DorsoLateral PreFrontal Cortex (DLPFC) in reducing baseline and cue-induced craving among methamphetamine users. 
 
Materials and Methods: The statistical population included all patients with clinical symptoms of methamphetamine use disorder who attended addiction treatment centers in Mashhad, Iran, between 2022-2024. Using convenience sampling, 40 clinically diagnosed methamphetamine users were selected and randomly assigned to four groups (CBT, tDCS, CBT+ tDCS, and control). Data were analyzed using descriptive statistics, independent t-test, ANOVA, and ANCOVA. 
 
Results: Findings demonstrated that the interventions reduced both baseline and cue-induced craving in methamphetamine users. The most pronounced effects were observed in the group receiving both therapies simultaneously (CBT+ tDCS). 
 
Conclusion: The results indicate combined cognitive-behavioral therapy and transcranial direct current stimulation reduces craving among methamphetamine users.

Keywords


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