This episode features Dr. Martin Samuels, chairman of the department of Neurology at Brigham and Women's Hospital in Boston, MA, and Professor of Neurology at Harvard Medical School. A leading authority on the relationships between neurology and general medicine and one of the foremost medical educators in the country, Dr. Samuels has also hosted a number of programs on Reach MD. This week we discuss the cognitive mechanisms that lead to errors in diagnosis. Our guest Dr. Samuels will use examples from his own career!