This peculiarity of the brain could revolutionize psychotherapy

This peculiarity of the brain could revolutionize psychotherapy

Published on 20.06.2019

Will VR prevail in psychotherapy?

The lecture hall is full. The patient’s pulse is rising. Talking to people scares her, she suffers from social phobia. But the audience just looks so friendly that the situation for the patient is stressful, but feasible. Because actually the lecture hall does not exist at all. The patient stands in a room of only twelve square meters. On a screen, a therapist monitors your stress levels, he controls the situation. Virtual reality glasses put the patient in the dreaded situation.

The Paderborn start-up Psycurio develops such virtual worlds in which patients face their fears. “For our brain, it makes no difference whether I do something in the real or virtual world,” says founder Daniela Schumacher. When avatars move and behave like humans, the scene feels real to patients, explains Thies Pfeiffer, who researches virtual reality and human-machine interaction at the Bielefeld Cluster of Excellence Cognitive Interaction Technology. The quality of the presentation is not so decisive. This peculiarity of the human brain could revolutionize psychotherapy.

Virtual reality is particularly suitable for the therapy of anxiety disorders. Therapists usually work with so-called exposure therapy: the patient is gradually confronted with the dreaded situation and endures the fear until it subsides. At some point, the brain learns to cope with the situation.

Anxiety disorders are among the most common mental illnesses. “For the therapy of phobias, a therapist needs easily manageable, anxiety-triggering situations,” says Mathias Müller, Managing Director of VTplus, a Würzburg-based virtual reality company. Climbing a tower or experiencing a turbulent flight – this can also be done in the virtual world.

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Peter Zwanzger, a specialist in psychiatry and psychotherapy, explores these possibilities at the kbo-Inn-Salzlach-Klinikum in Wasserburg am Inn. Virtual reality therapy is not only more cost-effective and time-saving to implement than analogue exposure therapy, but is also more accessible to patients, says Zwanzger. The prospect of actually getting on a plane, touching a spider or speaking in front of a hundred people as part of therapy frightens many patients. These inhibition thresholds are lower in virtual reality therapy, Zwanzger has found in his studies.

Nevertheless, the breakthrough of the new method is still a long way off. Both VTplus and Psycurio are currently negotiating with health insurance companies. If they were to cover the costs of virtual reality therapy, the VR glasses could soon move into many practices, Müller and Schumacher are convinced. Peter Zwanzger is a little more reserved with forecasts: “Especially in medicine, desire and reality often diverge.”Technically, much is possible – what is therapeutically meaningful and practically applicable is another question. Pilot studies would suggest the effectiveness of virtual reality therapy – but a proper basic research with several hundred subjects is still missing.

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Zwanzger is a member of a panel of experts working on the new guidelines for the treatment of anxiety disorders. Therapists can orient themselves on these so – called S3 guidelines-they give an overview of recognised medical procedures. The current version from 2014 advises virtual reality therapy for certain phobias, but only if a real confrontation is not feasible.

Mathias Müller would like to go further. According to him, experiencing the real situation is only the icing on the cake at the end of the therapy. Psycurio even relies on purely virtual therapy, always with human accompaniment. Founder Schumacher is convinced: “Virtual reality therapy enables a modern, less unpleasant for the patient, very effective therapy.“

Peter Zwanzger agrees with her. But many things are still a dream of the future for him. “I believe that patients have a right to have the effectiveness of therapy proven.”Therefore, the new S3 guidelines will not contain an unqualified recommendation for this type of therapy – but at least the indication of a promising new technology.

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