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The use of Biofeedback in Clinical Virtual Reality: The INTREPID Project
Published on: November 12, 2009
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Brief Interactive Virtual Reality Mindfulness Training with Real-Time Biofeedback for Anxiety Reduction: A Pilot
Qiuxia Xu1, Yingqi Gu2, Xizhe Hu3
1Department of Psychology, Zhejiang Sci-Tech University, Hangzhou, China.
Applied Psychophysiology and Biofeedback
|June 4, 2025
Summary
This study shows that interactive virtual reality (VR) mindfulness training significantly reduces anxiety and improves mindfulness. The novel VR system uses heart rate variability (HRV) biofeedback to enhance engagement and psychological health.
Area of Science:
- Psychology
- Neuroscience
- Human-Computer Interaction
Background:
- Virtual reality (VR) mindfulness shows promise for anxiety reduction.
- Current VR mindfulness lacks interactivity, limiting user engagement.
- Interactive elements and biofeedback can enhance VR interventions.
Purpose of the Study:
- To introduce and evaluate an interactive VR mindfulness system using real-time heart rate variability (HRV) biofeedback.
- To assess the impact of a brief interactive VR mindfulness session on anxiety, mindfulness, and HRV.
- To compare the interactive VR approach with traditional mindfulness and a control group.
Main Methods:
- Seventy-five university students with anxiety were randomized into three groups: interactive VR mindfulness (VR-MG), traditional mindfulness (MG), and control (CG).
- A single five-minute intervention was administered.
- Anxiety, mindfulness, and HRV were measured before and after the intervention, with repeated measures ANOVA used for analysis.
Main Results:
- The interactive VR mindfulness group showed significant reductions in anxiety and improvements in mindfulness states.
- Heart rate variability (HRV) significantly increased in the interactive VR group.
- No significant changes in HRV were observed in the traditional mindfulness or control groups.
Conclusions:
- Brief interactive VR mindfulness training is effective in reducing anxiety and enhancing mindfulness.
- The use of HRV biofeedback in VR mindfulness creates a responsive and immersive experience.
- This technology holds potential for developing novel psychological health interventions.

