Medical Journal of Mashhad university of Medical Sciences

Medical Journal of Mashhad university of Medical Sciences

Comparison the Effect of Transcranial Direct Current Stimulation and Cognitive-Behavioral Therapy on Obsessive Compulsive Symptom, Obsessive Beliefs and Guilty Feeling in Obsessive-Compulsive Disorder

Document Type : Research Paper

Authors
Rezvan Mahab 1
Farah Naderi 2
Parvin Ehtesham Zadeh 3
Fariba Hafezi 4
Hossein Ebrahimi Moghadam 5
1 Department of Psychology, Khuzestan Pardis Science and Research Campus,Islamic Azad University, Ahvaz, Iran.
2 Department of Psychology, Ahvaz branch, Islamic Azad University, Ahvaz, Iran.
3 2. Department of Psychology, Ahvaz branch, Islamic Azad University, Ahvaz, Iran.
4 Assistant Professor, Department of Psychology, Islamic Azad University, Ahvaz Branch. Ahvaz, Iran.
5 Department of Psychology, Roodehen branch, Islamic Azad University, Roodehen, Iran.
10.22038/mjms.2021.19341
Abstract
Introduction: the purpose of this study was to compare the effect of transcranial direct current stimulation and cognitive-behavioral therapy on obsessive compulsive symptom, obsessive-compulsive beliefs and guilty feelings in people with obsessive-compulsive disorder in Tehran.
Methods: The research method is quasi-experimental research (pre-test-post-test design with control group). The statistical population included all patients with obsessive-compulsive disorder referred to psychiatric centers and psychological services and counseling in Tehran. The sample size was 30 people who were divided into three groups (two experimental groups and one control group). The first experimental group received transcranial direct current stimulation for 24 sessions of 20 minutes. In the second experimental group, cognitive-behavioral therapy was performed for 10 sessions of 90 minutes and the control group did not receive any intervention. Research data were collected using the Yale Brown Obsessive Compulsive Scale (1986),  Obsessive-Verity Questionnaire (2011), and guilty feelings of Kauger and Jones (1998). For data analysis, univariate analysis of covariance (ANCO) and multivariate analysis of covariance (MANCOVA) were used by SPSS-v.21.
Results: the results showed that both brain electrical stimulation treatments from the skull and cognitive-behavioral therapy separately reduced obsessive-compulsive beliefs and guilty feelings in people with obsessive-compulsive disorder (P< 0.05).
Conclusion: among the two treatments, the treatment of transcranial direct current stimulation was more effective than cognitive-behavioral therapy in reducing the obsessive compulsive symptom and guilty feelings, but it was more effective in reducing the cognitive-behavioral beliefs of obsessive beliefs; these results were also observed after one-month follow-up period.
Keywords
Guilty feelings
obsessive beliefs
Transcranial direct current stimulation
cognitive-behavioral therapy
obsessive compulsive symptom
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Medical Journal of Mashhad university of Medical Sciences
Volume 64, Issue 3
September and October 2021
Pages 3357-3371