Dr. Johnstone has expertise in the integration of the neurosciences and humanities, completing two fellowships sponsored by the Templeton Foundation, including one on “Religious Experiences and Moral Behaviours” in Princeton, and one on “Religion and Science” in Oxford, both of which involved internationally renowned theologians, philosophers, and neuroscientists. He has long-term expertise in neuropsychology, having served as the primary investigator of a TBI Model System Center, and was selected by the CDC to serve on an expert panel to write a report on TBI rehabilitation for the federal Congress in 2012. He is the author of more than 90 publications on the neurobiological foundations of spiritual experience