A chronic or persistent disorder of the mental processes caused by brain disease or injury and marked by memory disorders, personality changes, and impaired reasoning
her failing memory is not necessarily a symptom of dementia
Severe mental deterioration in old age, characterized by loss of memory and control of bodily functions
Dated term for schizophrenia.
A common form of dementia caused by an impaired supply of blood to the brain, such as may be caused by a series of small strokes