Day services (DS) are part of the public nursing care system in Japan. The purpose of DS is to help elderly individuals maintain mental and physical functions, eliminate feelings of isolation among homebound users, and reduce the burden of care on family members. However, the relationship between DS and the progression of Alzheimer's disease (AD) remains unclear.

中文翻译：

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使用日间服务改善阿尔茨海默病患者的认知功能

日间服务 (DS) 是日本公共护理系统的一部分。DS的目的是帮助老年人保持身心功能，消除居家用户的孤立感，减轻家庭成员的照顾负担。然而，DS 与阿尔茨海默病 (AD) 进展之间的关系仍不清楚。