Comprehensive Meta-Analysis and Systematic Review of the Effectiveness of Interventions Based on Polyvagal Theory on

Document Type : Original Article

Authors

1 Ph.D .Student, Department of Psychology and Education of Children with Special Needs, Faculty of Educational Sciences and Psychology, Central Tehran Branch, Islamic Azad University, Tehran, Iran.

2 Associate Professor, Department of Psychology and Education of Children with Special Needs, Faculty of Educational Sciences and Psychology, Isfahan University, Isfahan, Iran

3 Assistant professor, Department of Clinical Health Psychology, Faculty of Educational Sciences and Psychology, Central Tehran Branch, Islamic Azad University, Tehran, Iran.

10.48308/apsy.2024.234006.1589

Abstract

Aim: Psychological disorders have a significant impact on the global burden of disease, so it is essential to identify and evaluate the effectiveness of non-invasive psychological interventions. Therefore, the aim of this research was to provide a comprehensive and systematic review of the efficacy of interventions based on polyvagal theory as a type of non-invasive neurobiological intervention for psychological disorders.
 
Method: Relevant studies from 1994 to 2023 were searched using reputable scientific databases and relevant keywords, and nine high-quality studies were selected based on the PRISMA statement. Data analysis was performed using the third version of comprehensive meta-analysis software. The extracted effect sizes included 26 effect sizes.
 
Results: The results showed a combined effect size of 0.26, which was statistically significant at the 0.001 level. According to Cohen's interpretation of effect size, this indicates a large effect size. In other words, interventions based on polyvagal theory can play a significant role in reducing psychological disorders. The meta-analysis results demonstrated high statistical validity, and there was no evidence of publication bias, enhancing the reliability of the results.
 
Conclusion: Interventions based on polyvagal theory can have a significant role in the treatment of psychological disorders, and it is recommended that therapists and specialists utilize them in the treatment of psychological disorders.

Keywords

Main Subjects

References

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Applied Psychology

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Available Online from 25 March 2024

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