Cookies on this website
We use cookies to ensure that we give you the best experience on our website. If you click 'Continue' we'll assume that you are happy to receive all cookies and you won't see this message again. Click 'Find out more' for information on how to change your cookie settings.

For over 15 years we have combined clinical psychological science with the best immersive VR technologies to assess, understand, and treat mental health problems.

Key Publications

Freeman, D., Yu, L-M., Kabir, T., Martin, J., Craven, M., Leal, J., Lambe, S., Brown, S., Morrison, A., Chapman, K., Dudley, R., O’Regan, E., Rovira, A., Goodsell, A., Rosebrock, L., Bergin, A., Cryer, T., Robotham, D., Andleeb, H., Geddes, J., Hollis, C., Clark, D., & Waite, F. (2019). Automated virtual reality (VR) cognitive therapy for patients with psychosis: study protocol for a single-blind parallel group randomised controlled trial (gameChange). BMJ Open, 9:e031606.

Freeman, D., Lister, R., Waite, F., Yu, L.-M., Slater, M., Dunn, G., & Clark, D. (2019). Automated psychological therapy using virtual reality (VR) for patients with persecutory delusions: study protocol for a single-blind parallel-group randomised controlled trial (THRIVE). Trials, 20: 87.

Martens, M., Antley, A., Freeman, D., Slater, M., Harrison, P., Tunbridge, E. (2019). It feels real: physiological responses to a stressful virtual reality environment and its impact on working memory. Journal of Psychopharmacology.

Freeman D., Haselton P., Freeman J., Spanlang B., Kishore S., Albery E., Denne M., Brown P., Slater M., Nickless A. (2018). Automated psychological therapy using immersive virtual reality for the treatment of the fear of heights: a single-blind parallel-group randomised controlled trial. Lancet Psychiatry. 5: 625-632.

Freeman, D., Reeve, S., Robinson, A., Ehlers, A., Clark, D., Spanlang, B., & Slater, M. (2017). Virtual reality in the assessment, understanding, and treatment of mental health disorders. Psychological Medicine. 47: 2393-2400 

Freeman, D., Bradley, J., Antley, A., Bourke, E., DeWeever, N., Evans, N., Černis, E., Sheaves, B., Waite, F., Dunn, G., Slater, M., & Clark, D. (2016). Virtual reality in the treatment of persecutory delusions. British Journal of Psychiatry, 209, 62-67.

Atherton, S., Antley, A., Evans, N., Cernis, E., Lister, R., Dunn, G., Slater, M. & Freeman, D. (2016). Self-confidence and paranoia: an experimental study using an immersive virtual reality social situation. Behavioural and Cognitive Psychotherapy, 44, 56-64.

Freeman, D., Dunn, G., Murray, R., Evans, N., Lister, R., Antley, A., Slater, M., Godlewska, B., Cornish, R., Williams, J., Di Simplicio, M., Igoumenou, A., Brenneisen, R., Tunbridge, E., Harrison, P., Harmer, C., Cowen, P., Morrison, P. (2015). How cannabis causes paranoia: Using the intravenous administration of ∆9-tetrahydrocannabinol (THC) to identify key cognitive mechanisms leading to paranoia. Schizophrenia Bulletin, 41, 391-399.

Freeman, D., Evans, N., Lister, R., Antley, A., Dunn, G., & Slater, M. (2014). Height, social comparison, and paranoia: an immersive virtual reality experimental study. Psychiatry Research, 30, 348-352.

Freeman, D., Antley, A., Ehlers, A., Dunn, G., Thompson, C., Vorontsova, N., Garety, P., Kuipers, E., Glucksman, E., & Slater, M. (2014). The use of immersive virtual reality (VR) to predict the occurrence 6 months later of paranoid thinking and posttraumatic stress symptoms assessed by self-report and interviewer methods. Psychological Assessment, 36, 841-847.

Freeman, D., Thompson, C., Vorontsova, N., Dunn, G., Carter, L-A., Garety, P., Kuipers, E., Slater, M., Antley, A., Glucksman, E., & Ehlers, A. (2013). Paranoia and post-traumatic stress disorder in the months after a physical assault: a longitudinal study examining shared and differential predictors. Psychological Medicine, 43, 2673-2684.

Freeman, D., Pugh, K., Vorontsova, N., Antley, A. & Slater, M. (2010). Testing the continuum of delusional beliefs: an experimental study using virtual reality. Journal of Abnormal Psychology, 119, 83–92.

Stinson, K., Valmaggia, L., Antley, A., Slater, M. & Freeman, D. (2010). Cognitive triggers of auditory hallucinations: an experimental investigation. Journal of Behavior Therapy and Experimental Psychiatry, 41, 179–184.

Freeman, D. (2008). Studying and treating schizophrenia using virtual reality (vr): a new paradigm. Schizophrenia Bulletin, 34, 605-610.

Freeman, D., Gittins, M., Pugh, K., Antley, A., Slater, M., & Dunn, G. (2008). What makes one person paranoid and another person anxious? The differential prediction of social anxiety and persecutory ideation in an experimental situation. Psychological Medicine, 38, 1121-1132.

Freeman, D., Pugh, K., Antley, A., Slater, M., Bebbington, P., Gittins, M., Dunn, G., Kuipers, E., Fowler, D., & Garety, P. A (2008). A virtual reality study of paranoid thinking in the general population. British Journal of Psychiatry, 192, 258-263.

Fornells-Ambrojo, M., Barker, C., Swapp, D., Slater, M., Antley, A. & Freeman, D. (2008). Virtual reality and persecutory delusions: safety and feasibility. Schizophrenia Research, 104, 228-236.

Freeman, D., Pugh, K., Green, C., Valmaggia, L., Dunn, G., & Garety, P. (2007). A measure of state persecutory ideation for experimental studies. Journal of Nervous and Mental Disease, 195, 781-784.

Freeman, D., Garety, P.A., Bebbington, P., Slater, M., Kuipers, E., Fowler, D., Green, C., Jordan, J., & Ray, K & Dunn, G., (2005). The psychology of persecutory ideation II: A virtual reality experimental study. Journal of Nervous and Mental Disease, 193, 309-315.

Freeman, D., Slater, M., Bebbington, P.E., Garety, P.A., Kuipers, E., Fowler, D., Met, A., Read, C., Jordan, J., & Vinayagamoorthy, V. (2003). Can virtual reality be used to investigate persecutory ideation? The Journal of Nervous and Mental Disease, 191, 509-514.