1. a form of schizophrenia characterized by disorganized speech, behavior, and thinking, often with inappropriate emotional responses and silly or childish mannerisms.
Usage: medical/psychiatric term; now often called disorganized-type schizophrenia in modern diagnostic systems

Examples

• The patient was diagnosed with hebephrenia after displaying years of disorganized behavior and incoherent speech.
• Hebephrenia typically emerges in late adolescence or early adulthood.
• Symptoms of hebephrenia include inappropriate laughter and difficulty maintaining logical thought patterns.
• The psychiatrist noted that hebephrenia is one of the more severe forms of schizophrenia.
• Treatment for hebephrenia often involves antipsychotic medications and psychosocial support.