Semantic Dementias

《英文msh詞典》Semantic Dementias
[入口詞] Semantic Dementias
[主題詞] Dementia
[英文釋義] An acquired organic mental disorder with loss of intellectual abilities of sufficient severity to interfere with social or occupational functioning. The dysfunction is multifaceted and involves memory,behavior,personality,judgment,attention,spatial relations,language,abstract thought,and other executive functions. The intellectual decline is usually progressive,and initially spares the level of consciousness.