Can someone survive with only half a brain? They can: in fact, Elena del Peral thrives after losing half a brain, reported Mental Floss on Oct. 22. Ms. del Peral is a healthy, normal academically gifted student, thanks to a procedure called a hemispherectomy that saved her life. Now a Massachusetts’ Curry College student, del Peral had surgery to remove one hemisphere (half) of her brain at six.Elena del Peral thrives after losing half a brain: Hemispherectomy saves lives | Examiner.com