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Randomized Controlled Trial
. 2022 Aug 31:44:e20200156.
doi: 10.47626/2237-6089-2020-0156.

Study of the effects of cognitive behavioral therapy versus dialectical behavior therapy on executive function and reduction of symptoms in generalized anxiety disorder

Behrooz Afshari  1 , Fatemeh Jafarian Dehkordi  2 , Ali Asghar Asgharnejad Farid  2 , Behnoosh Aramfar  3 , Zohreh Balagabri  4 , Mohsen Mohebi  3 , Nayereh Mardi  4 , Parisa Amiri  3
Affiliations
Randomized Controlled Trial

Study of the effects of cognitive behavioral therapy versus dialectical behavior therapy on executive function and reduction of symptoms in generalized anxiety disorder

Behrooz Afshari et al. Trends Psychiatry Psychother. .

Abstract

Introduction: The effects of dialectical behavior therapy on generalized anxiety disorder have not been examined to date, whereas cognitive behavioral therapy is a well-known psychotherapy for generalized anxiety disorder.

Objectives: This study investigated the effects of cognitive behavioral therapy versus dialectical behavior therapy on executive function and reduction of symptoms in generalized anxiety disorder.

Method: In the present study, 72 generalized anxiety disorder patients were randomly assigned to one of two groups: dialectical behavior therapy or cognitive behavioral therapy. Evaluations were performed at baseline, post-test, and three months after interventions as a follow-up. Measures included the Structured Clinical Interview for DSM-IV Axis I disorders, the Generalized Anxiety Disorder scale, the Beck Anxiety Inventory, the Beck Depression Inventory, the Tower of London Task, and the Wisconsin Card Sorting Task.Results: The results of the present study showed that both groups had reduced scores for depression and anxiety and increased scores for executive function after the psychotherapies. These changes were maintained at follow-up.

Conclusion: Although depression and anxiety symptoms were significantly reduced by cognitive behavioral therapy, dialectical behavior therapy was more effective for improving executive function.

Keywords: Generalized anxiety disorder; cognitive behavior therapy; dialectical behavior therapy; executive function.

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Conflict of interest statement

No conflicts of interest declared concerning the publication of this article.

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Figure 1. Participant selection flowchart
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