ACTing Minds: An ACT-based Videogame for Mental Health

The goal of this clinical trial is to test whether a single-session Acceptance and Commitment Therapy (ACT) videogame (ACTing Minds) improves psychological flexibility and mental health in adults who report mild to moderate depression, anxiety or stress. The main questions are whether ACTing Minds increases psychological flexibility (CompACT Total) more than a time- and engagement-matched neutral commercial game at the end of the session and again at short-term follow-up (10-13 days), and whether it produces favourable changes in symptoms, wellbeing, social connectedness, health-related quality of life, and short seated heart-rate variability recordings. Researchers will compare ACTing Minds with the neutral game to determine whether the ACT-based experience leads to greater improvements. Participants attend one laboratory visit of about 60 minutes, complete brief questionnaires at baseline, immediately after the session and at short-term follow-up, and provide a short seated ECG at each timepoint for heart-rate variability analysis. The study uses a single-blind, two-arm, randomised, parallel-group design at Swansea University (UK).