During a prefrontal lobotomy, holes would be drilled into ... For example, after Freeman gave President John F. Kennedy's sister Rosemary a lobotomy, she was left permanently incapacitated.

Rosemary Kennedy experienced seizures and violent mood swings when she was a young adult. 1941, at the age of 23, her father had her undergo a prefrontal lobotomy in order to deal with these issues; ...