Dr. Britten has over 25 years of experience in radiation biology, with an emphasis on particle radiation (fast neutrons, protons, Galactic Cosmic Radiation). Dr. Britten earned his Ph.D. in Radiotherapy at the University of Leeds, England in 1987. Before joining EVMS, Dr. Britten was an Assistant Professor of Oncology at the University of Alberta, Canada, where he focused on the Molecular determinants of response of cancer cells to radiation and chemotherapy, and an Instructor at M.D. Anderson Cancer Center in Texas where he conducted research on fast neutron radiobiology. Dr. Britten is funded by NASA to determine the incidence and mechanistic basis of GCR-induced neurocognitive impairment, and the interaction of sleep perturbation and GCR on neurocognitive performance. Dr. Britten has served on numerous grant reviewi