senile dementia

noun

, Pathology.

1. a syndrome of progressive, irreversible impairment of cognitive function, caused by organic factors and having its onset late in life.

senile dementia

noun

1. dementia starting in old age with no precipitating physical cause

Word History and Origins

Origin of senile dementia¹

First recorded in 1850–55

Example Sentences

We will say that this case begins with simple senile dementia—physical brain degeneration, a result of advanced age.

From Project Gutenberg

Added to senile dementia there is often found a condition of mania or melancholia or even of systematized delusional insanity.

From Project Gutenberg

Age softens some hard characters, but in John Wynne the early development of senile dementia deprived him of this chance.

From Project Gutenberg

Sexual anæsthesia or hypoæsthesia or even impotence may occur in the later stages of general paralysis and senile dementia.

From Project Gutenberg

We have seen that senile paradoxy often shows itself, as a symptom of senile dementia, by a sexual appetite for children.

From Project Gutenberg