Dictionary
he•be•phre•ni•a
Pronunciation: (hē"bu-frē'nē-u), [key]—
n. Psychiatry.
a type of schizophrenia characterized by emotionless, incongruous, or silly behavior, intellectual deterioration, and hallucinations, frequently beginning insidiously during adolescence.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.