Psychosis caused by organic or morphological changes in the brain (→ exogenous psychosis). Causes include inflammation, trauma, tumors, and degenerative diseases. The main symptoms are a decline in intellectual function and personality changes, mainly dementia due to chronic brain disease. In addition, hallucinations and delusions may be severe, and focal symptoms may appear in the localized area of the brain where the lesion is located. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
脳の器質的変化や形態学的変化による精神病(→外因性精神病)。炎症,外傷,腫瘍,変性疾患などが原因になる。おもな症状は,慢性の脳疾患による痴呆を中心とする知的機能の低下や人格の変化である。そのほか,幻覚や妄想の激しい場合もあり,また,脳の病変部が限局されて,それに対応する巣症状が出ることもある。
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