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Behav Res Ther. 2015 Nov;74:18-24. doi: 10.1016/j.brat.2015.08.010. Epub 2015 Aug 31.

Can virtual reality exposure therapy gains be generalized to real-life? A meta-analysis of studies applying behavioral assessments.

Author information

1
Department of Clinical Psychology, University of Amsterdam, Amsterdam, The Netherlands; Amsterdam Brain and Cognition Center, University of Amsterdam, Amsterdam, The Netherlands. Electronic address: n.morina@uva.nl.
2
Department of Clinical Psychology, University of Amsterdam, Amsterdam, The Netherlands.
3
Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
4
Netherlands Institute for Advanced Study, Wassenaar, The Netherlands; Center for Social and Humanities Research, King AbdulAziz University, Jeddah, Saudi Arabia.

Abstract

In virtual reality exposure therapy (VRET), patients are exposed to virtual environments that resemble feared real-life situations. The aim of the current study was to assess the extent to which VRET gains can be observed in real-life situations. We conducted a meta-analysis of clinical trials applying VRET to specific phobias and measuring treatment outcome by means of behavioral laboratory tests or recordings of behavioral activities in real-life. Data sources were searches of databases (Medline, PsycInfo, and Cochrane). We included in total 14 clinical trials on specific phobias. Results revealed that patients undergoing VRET did significantly better on behavioral assessments following treatment than before treatment, with an aggregated uncontrolled effect size of g = 1.23. Furthermore, patients undergoing VRET performed better on behavioral assessments at post-treatment than patients on wait-list (g = 1.41). Additionally, results of behavioral assessment at post-treatment and at follow-up revealed no significant differences between VRET and exposure in vivo (g = -0.09 and 0.53, respectively). Finally, behavioral measurement effect sizes were similar to those calculated from self-report measures. The findings demonstrate that VRET can produce significant behavior change in real-life situations and support its application in treating specific phobias.

KEYWORDS:

Anxiety disorders; Behavioral assessment; Meta-analysis; Specific phobias; Virtual reality therapy

PMID:
26355646
DOI:
10.1016/j.brat.2015.08.010
[Indexed for MEDLINE]

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