acting in an abnormal or confused manner; out of one's mind; absent-minded

Taiwan term for a brain disorder involving the loss of cognitive abilities such as memory and judgment, specifically when consciousness remains unaffected; includes conditions such as [[阿兹海默症|阿茲海默症|a1 zi1 hai3 mo4 zheng4]] and [[帕金森氏症|帕金森氏症|pa4 jin1 sen1 shi4 zheng4]]

senile dementia; a condition occurring in old age characterized by cognitive decline and memory loss, of which Alzheimer's disease is the most common cause