Catatonia

Japanese: 緊張病 - きんちょうびょう

A type of schizophrenia with psychomotor agitation or stupor as its primary symptoms. When psychomotor agitation is the primary symptom, patients exhibit strange and unnatural behavior, incoherent monologue, impulsive behavior, repetitive stereotypes, and an excited state accompanied by unstable emotions. When stupor is the primary symptom, patients are expressionless, silent, immobile, unresponsive, and tend to reject the outside world. However, there is no movement disorder. Many patients appear to be in a dazed, empty state, but they remember the outside world well. Both types of schizophrenia often first appear around the age of 25, progress acutely, and often go into remission within a few weeks. They have the best prognosis of all schizophrenias, but they can relapse, and as relapses occur repeatedly, emotional blunting becomes increasingly noticeable.

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

統合失調症（精神分裂病）の一病型で，精神運動興奮または昏迷(こんめい)を主徴とする。精神運動興奮を主徴とする場合は，奇妙な不自然な態度，支離滅裂な独語，衝動的行為，同一行動を激しく繰り返す常同行為，不安定な感情を伴う興奮状態などを示す。昏迷を主徴とする場合は無表情，無言，不動，無反応で拒否的傾向をもつ。しかし運動障害はない。空虚な放心状態にあると思われるものが多いが，外界状況はよく覚えている。両者とも25歳前後に初発することが多く，急性に経過し，多くは数週間で寛解する。統合失調症の中で最も予後がよいが，再発することもあり，再発をくり返すうちに次第に感情鈍麻が目立ってくる。

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