he·be·phre·nia /ˌhibəˈfriniə, ˈfrɛni-/
  he·be·phre·nia /ˌhɪbəˈfrɪnɪə, ˈfrɛnɪ-/ 名詞
  青春期痴呆
  hebephrenia
       n : a form of schizophrenia characterized by severe
           disintegration of personality including erratic speech
           and childish mannerisms and bizarre behavior; usually
           becomes evident during puberty; the most common
           diagnostic category in mental institutions [syn: hebephrenic
           schizophrenia, disorganized schizophrenia, disorganized
           type schizophrenia]