Chronic Traumatic Encephalopathy

flickr / Creative Commons

That gap between what happens in the brain and what comes out as behavior is the field of clinical neuropsychology.  Its application can range from diagnosing and treating military personnel to people suffering from Multiple Sclerosis or dementia. 

On July 2, 1961, Ernest Hemingway rose quietly, so as not to disturb his wife.  He put on his bathrobe and slippers, walked down to the basement of his Idaho home, and unlocked his gun case.  He climbed the steps to his foyer, placed his favorite shotgun to the roof of his mouth, and blew the top of his head off.