Amnesia vs. Dementia

Amnesianoun

(pathology) Loss of memory; forgetfulness.

Amnesianoun

(figurative) Forgetfulness.

Amnesianoun

Forgetfulness; also, a defect of speech, from cerebral disease, in which the patient substitutes wrong words or names in the place of those he wishes to employ.

Amnesianoun

partial or total loss of memory;

Amnesia

Amnesia is a deficit in memory caused by brain damage or disease, but it can also be caused temporarily by the use of various sedatives and hypnotic drugs. The memory can be either wholly or partially lost due to the extent of damage that was caused.

Dementianoun

(pathology) A progressive decline in cognitive function due to damage or disease in the brain beyond what might be expected from normal aging. Areas particularly affected include memory, attention, judgement, language and problem solving.

Dementianoun

Madness or insanity.

Dementianoun

Insanity; madness; esp. that form which consists in weakness or total loss of thought and reason; mental imbecility; idiocy.

Dementianoun

mental deterioration of organic or functional origin

Dementia

Dementia manifests as a set of related symptoms, which usually surface when the brain is damaged by injury or disease. The symptoms involve progressive impairments to memory, thinking, and behavior, which negatively impact a person's ability to function and carry out everyday activities.