A term used to broadly classify mental illnesses according to their causes, as opposed to endogenous psychoses. Exogenous causes broadly include physical, environmental, and mental (psychogenic) causes, but when it comes to psychological causes, the term psychogenic psychoses is used, so when referring to exogenous causes, physical factors are given the most importance. Physical factors include inflammation, trauma, tumors, poisoning, acute infections, uremia, diabetes, nutritional disorders, heart disorders, liver disorders, endocrine disorders, and fatigue. Of these, those caused by organic changes in the brain are called organic psychoses, those caused by poisoning with alcohol or stimulants are called toxic psychoses, and those caused by other physical diseases are called symptomatic psychoses. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
精神病を原因によって大きく分類するときに用いられる用語で,内因性精神病に対する。外因には広く身体的から環境的,精神的 (心因) までが含まれるが,心因による場合には心因性精神病という用語があるので,外因性という場合には身体的因子が最も重視される。身体的因子には炎症,外傷,腫瘍,中毒,急性感染症,尿毒症,糖尿病,栄養障害,心臓障害,肝臓障害,内分泌異常,疲労などがある。そのうち,脳の器質的変化によるものを器質精神病,アルコール,覚醒剤などの中毒によるものを中毒性精神病,その他の身体的疾患を基礎として起るものを症状精神病と呼ぶ。
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