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Department of Psychiatry and Behavioral Sciences

Cross-cultural store and forward telepsychiatry

Principal Investigator:  Peter Yellowlees, M.D., M.B.B.S.
Co-Investigator:  Don Hilty, M.D.

This project is designed to assess whether psychiatrists can accurately diagnose patients and create treatment plans when supplied with carefully formatted electronic histories and video clips of patient interviews with their primary care providers. The patients are clinically assessed in both English and Spanish, with cross-translation by trained interpreters, allowing us to also measure diagnostic reliability across languages, as well as between psychiatrists. The two-year project is funded by Blue Shield and commenced in July 2007.

Virtual reality environments

Principal Investigator:  Peter Yellowlees, M.D.

Virtual reality environments have developed rapidly in recent years, especially in the computer gaming industry. "Virtual worlds," or computer simulations of the real world, are now accessible via broadband Internet. These are attracting thousands of users on a daily basis, most of whom build fantasy environments. Our research program at UC Davis is exploring the use of these environments in healthcare. In one project, we have built a demonstration of examples of virtual auditory and visual hallucinations of patients with schizophrenia which occur in a 3-dimensional model of the Sacramento County Mental Health Treatment Center. In a second project, we have constructed a scale model of the Sacramento Exposition Center set up as it was in May 2006 when it was used as for a large-scale bioterrorism response emergency medical clinic. The virtual environment includes moving "patients" who automatically flow through the clinic, and allows health and security staff to take up practice positions in the clinic and experience what working in such an environment would be like. We have evaluated the environment from both technical and human perspectives.

Sample video clips 
Virtual Psychois Project
Introduction to the virtual psychosis environment at the Sacramento County Mental Health Treatment Center (SCMHTC) built in Second Life
Demonstratation of the SCMHTC reception area and an educational PowerPoint presentation on schizophrenia 
Demonstrates auditory hallucinations (voices) and visual hallucinations (visions - the floor dropping away so that the patient feels like they are walking on clouds)
Mass Prophylaxis Bioterrorism Clinic
The overall set up of the mass prophylaxis clinic modelled on the main agricultural hall at the Sacramento's Cal Expo site
Shows where the medications to be handed out at the clinic are delivered