Dr. Cohen is a Diplomate of the American Board of Psychiatry and Neurology and board certified in neurology with special qualification in child neurology. He earned his Bachelor of Science degree from Illinois Institute of Technology and then a Ph.D. in biochemistry from Iola University in Chicago. Following that, he did 5 years of research in neurology as an assistant professor of neurology at Johns Hopkins University. Dr. Cohen graduated from the Johns Hopkins University School of Medicine with his M.D. degree in 1982.
From 1982 to 1987 he was an intern and resident first in pediatrics and then in adult and pediatric neurology at the Johns Hopkins Hospital. He has published 36 scientific articles during his career and has participated as an investigator in over 50 clinical trials researching new treatments for dementia and other neurological conditions.