Teaching NeuroImages: Apathetic variant of frontotemporal dementia

A 68-year-old man displayed 3 years of progressive deterioration in behavior/personality. Previously gregarious, he developed reduced social and empathic interactions, diminished (though fluent) spontaneous speech, and indifference to personal hygiene. He denied depression, lacked insight into his predicament, and was not disinhibited, impulsive, or …