A medical condition (dementia) characterized by decline in memory, judgment, and cognitive abilities; commonly seen in older adults with varied causes and symptoms.
祖父は最近認知症の診断を受けた。
My grandfather was recently diagnosed with dementia.
認知症の初期症状には物忘れや時間・場所の混乱が含まれる。
Early symptoms of dementia include forgetfulness and confusion about time or place.
認知症の人への対応には根気と適切なケアが必要だ。
Dealing with people who have dementia requires patience and proper care.