Dr. Jayakumar completed a fellowship in transplant hepatology at University of Alberta Hospital and one in non-alcoholic fatty liver disease at University of Virginia School of Medicine in Charlottesville. She did her residencies in both internal medicine and gastroenterology at University of Western Ontario in London, Canada, where she was chief resident. Dr. Jayakumar earned her medical degree from University of Manitoba Faculty of Medicine. She is a fellow of the Royal College of Physicians and Surgeons of Canada (FRCPC) in gastroenterology and internal medicine. She has published several articles in peer-reviewed journals and is author of many book chapters as well. She served as the GI consultant to the Calgary Zoo.
Dr. Perlmutter is a frequent lecturer at symposia sponsored by such medical institutions as Harvard University, the University of Arizona, Scripps Institute, New York University, and Columbia University. He has contributed extensively to the world medical literature with publications appearing in The Journal of Neurosurgery, The Southern Medical Journal, Journal of Applied Nutrition, and Archives of Neurology. He is the author of many books, including:The Better Brain Book, Raise a Smarter Child By Kindergarten, Power Up Your Brain: The Neuroscience of Enlightenment, the #1 New York Times Bestseller Grain Brain – The Surprising Truth About Wheat, Carbs, and Sugar – Your Brain’s Silent Killers, New York Times Bestseller The Grain Brain Cookbook, and New York Times Bestseller Brain Maker: The Power of Gut Microbes to Heal and Protect Your Brain – For Life, and is recognized internationally as a leader in the field of nutritional influences in neurological disorders.
Dr. Perlmutter has been interviewed on many nationally syndicated radio and television programs including 20/20, Larry King Live, CNN, Fox News, Fox and Friends, The Today Show, The Oprah Winfrey Show, Like with Kelly and Michael, Montel Across America and The CBS Early Show.
The cornerstone of Dr. Perlmutter’s unique approach to neurological disorders is founded in the principles of preventive medicine. He has brought to the public awareness a rich understanding that challenging brain problems including Alzheimer’s disease, other forms of dementia, depression, and ADHD may very well be prevented with lifestyle changes including a gluten free, low carbohydrate, higher fat diet coupled with aerobic exercise.
He has been president of the following organizations: the American Urological Association, the American Board of Urology, the American Association of Genitourinary Surgeons, the Western Section of the American Urological Association, the Northwest Urological Society, the Oregon Urological Society, the Urologic Society of Transplantation and Vascular Surgery, the Western Association of Transplant Surgeons, and the Pacific Northwest Transplant Society.
He has been a member of the Board of Directors of the United Network for Organ Sharing. He has been labeled as "One of the Best Doctors in America" by Woodward/White, as "One of our Best Doctors" in the Portland Magazine, "One of the Best 400 Physicians in America" by Good Housekeeping Magazine, and as "One of the Best Medical Specialists in the USA" by Town and Country Magazine.
Recently, He has oriented his research toward establishing neural features associated with consciousness. he is leading a multimodal PET/fMRI study of brain mechanisms associated with the serotonin psychedelic psilocybin, to better understand how this promising and broadly applicable therapeutic affects the brain. He is collaborating with neurologists at Rigshospitalet including a project evaluating fMRI measures in coma patients to identify neural markers of conscious awareness and recovery.
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