herself, he decides this is the procedure she should have done. >> the surgeon gives the patient a local and then begins to cut into the prefrontal lobe. the surgeon asks the patient to sing, and the surgeon continues cutting as long as the patient sings. rosemary is a very dutiful daughter, and she sings and she sings and she sings. and when she stopped singing, she has the mental age of a 5-year-old. >> by the end of the procedure, she's basically lost the ability to talk, and it's clear that this has gone terribly wrong. >> and rosemary's then institutionalized from 1941 until she passes in 2005.