Jon Lieff, M.D., a graduate of Harvard Medical School, is a neuropsychiatrist who is a past president of the American Association for Geriatric Psychiatry and a Distinguished Life Fellow of the American Psychiatric Association. He treats hospitalized patients with complex medical illnesses, as well as patients in brain injury programs. Dr. Lieff’s blog and website, Searching for the Mind, explores scientific data relevant to the emerging view of mind as an integral aspect of nature.