Clinical Trial Evaluates Avatar Therapy for Schizophrenia

Overview of Avatar Therapy

Recent clinical trials have explored the effectiveness of avatar therapy in addressing auditory hallucinations experienced by patients with schizophrenia. This innovative therapy involves interactions between a patient and a computer-generated avatar that embodies their auditory hallucinations. The findings suggest that avatar therapy may outperform traditional treatment methods.

The Challenge of Hearing Voices

Between 60% and 70% of individuals diagnosed with schizophrenia encounter hallucinations, often hearing voices that are derogatory and frightening. While cognitive behavioral therapy (CBT) can be beneficial, its effects are often limited and take time to manifest, leaving many patients to struggle with persistent auditory hallucinations despite continuous treatment.

Study Details

This study, published in the British Medical Journal, introduced a novel treatment approach where patients engage in dialogue with a computer-generated avatar that represents the voices they hear. During the sessions, a therapist takes on the roles of both the avatar and the therapist, guiding the patient, encouraging assertive responses to the avatar, and facilitating a supportive environment. As therapy progresses, the avatar becomes less aggressive, gradually conceding control to the patient.

Trial Participants and Methodology

The trial involved 150 adult patients diagnosed with schizophrenia who had experienced persistent auditory hallucinations despite ongoing treatment within the last year. Participants were randomly assigned to either the avatar therapy group or a control group that received standard supportive counseling. Their experiences with auditory verbal hallucinations were assessed at three and six months.

Results of the Study

The results indicated that participants in the avatar therapy group experienced a significantly greater reduction in auditory verbal hallucination scores compared to the control group. Patients reported notable decreases in the frequency of voices and reduced distress levels at three months, with these improvements sustained at the six-month mark. Crucially, no adverse events were reported as a result of this treatment.

Future Research Directions

Given that avatar therapy is a relatively new treatment option, further studies are necessary to validate these findings. Currently, the results are based on data from a single treatment center, and additional research is required to assess the therapy’s effectiveness in various settings and refine its delivery. Understanding patient perceptions of the avatar and its impact on their experience of auditory hallucinations will also be critical for future developments.

Source

Written by Lisa Borsellino, BSc
Reference: Mayor, Susan. “Avatar therapy reduces auditory hallucinations in schizophrenia, trial finds.” (2017): j5458. BMJ 2017;359:j5458 doi: 10.1136/bmj.j5458 (Published 24 November 2017)