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. 2019 Aug 2;8(8):1153.
doi: 10.3390/jcm8081153.

Cue-Elicited Anxiety and Alcohol Craving as Indicators of the Validity of ALCO-VR Software: A Virtual Reality Study

Alexandra Ghiţă  1 , Olga Hernández-Serrano  2 , Yolanda Fernández-Ruiz  1 , Miquel Monras  3 , Lluisa Ortega  3 , Silvia Mondon  3 , Lidia Teixidor  3 , Antoni Gual  3 , Bruno Porras-García  1 , Marta Ferrer-García  1 , José Gutiérrez-Maldonado  4
Affiliations

Cue-Elicited Anxiety and Alcohol Craving as Indicators of the Validity of ALCO-VR Software: A Virtual Reality Study

Alexandra Ghiţă et al. J Clin Med. .

Abstract

Background: This study is part of a larger project aiming to develop a virtual reality (VR) software to be implemented as a clinical tool for patients diagnosed with alcohol use disorder (AUD). The study is based on previous research in which we identified factors that elicit craving for alcohol in a sample of AUD patients, and which led to the development of a virtual reality software to be used in cue exposure treatments of alcohol use disorder (ALCO-VR). The main objective of this study was to test the effectiveness of ALCO-VR to elicit cue-induced craving and anxiety responses among social drinkers (SD) and AUD patients. Our secondary objective was to explore which responses (cue-induced craving or anxiety) can best differentiate between AUD patients and the SD group.

Method: Twenty-seven individuals (13 AUD patients and 14 SD) participated in this study after giving written informed consent. Their anxiety and alcohol craving levels were measured by different instruments at different stages of the procedure. The VR equipment consisted of Oculus Rift technology, and the software consisted of the ALCO-VR platform.

Results: Our data indicate that the ALCO-VR software can elicit responses of anxiety and alcohol craving, especially in the group of AUD patients. The cue-induced anxiety response differentiated AUD patients and the SD group better than the cue-induced craving response.

Conclusions: The general interest in applying new technologies to the assessment and treatment of mental health disorders has led to the development of immersive real-life simulations based on the advantages of VR technology. Our study concluded that the ALCO-VR software can elicit anxiety and craving responses and that cue-induced anxiety responses can distinguish between AUD and SD groups better than cue-induced craving. The data on craving and anxiety were assessed consistently by different instruments. In addition, we consider that ALCO-VR is able to ecologically assess cue-induced anxiety and alcohol craving levels during exposure to VR alcohol-related environments.

Keywords: ALCO-VR; alcohol craving; alcohol use disorder; anxiety; cue-exposure; social drinkers; virtual reality.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Pictures of the VR environments.
Figure 2
Figure 2
Self-reported mean levels of anxiety (A) on visual analogue scales (VAS)-A.
Figure 3
Figure 3
Self-reported mean levels of alcohol craving (C) on VAS-C.
Figure 4
Figure 4
Self-reports of total mean anxiety in AUD and social drinkers (SD) groups.
Figure 5
Figure 5
Self-reports of total mean craving in AUD and SD groups.
See this image and copyright information in PMC

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