漢英對照/歸類為「痴呆」的疾病是由異常的大腦變化引起的

歸類為「痴呆」的疾病是由異常的大腦變化引起的。 這些變化導致思維能力下降，即認知能力下降，嚴重到足以損害日常生活和獨立功能。 它們還會影響行為，感覺和人際關係。

Diseases classified as "dementia" are caused by abnormal brain changes. These changes lead to a decline in thinking ability, that is, cognitive decline, which is severe enough to impair daily life and independent functions. They also affect behavior, feelings and relationships.