TEXT: """A woman walks past a display of a brain slice of patient """"H.M."""" at the press preview for the MIT 150 Exhibition at the MIT Museum, celebrating Massachusetts Institute of Technology's 150 year anniversary, in Cambridge, Massachusetts January 7, 2011. Patient H.M. has been extensively studied because of his inability to form long term memories following brain surgery in 1953 for his epilepsy.   REUTERS/Brian Snyder    (UNITED STATES - Tags: SOCIETY EDUCATION BUSINESS ANNIVERSARY) - GM1E71806R501"""