is a neurocognitive disorder marked by neural plaques, often with onset after age 80, and entailing progressive decline in memory an other cognitive abilities.

Alzheimer's disease is a neurocognitive disorder marked by neural plaques, often with onset after age 80, and entailing progressive decline in memory an other cognitive abilities.

Explanation:

Alzheimer's disease is a progressive, degenerative and incurable neurological brain disease that causes deterioration of brain nerve cells and ultimately death resulting in entailing progressive decline in memory and other cognitive abilities.

The deterioration is caused especially after the age of 80 by a buildup of abnormal substances called amyloid plaques (an insoluble protien deposit) and neurofibrillary tangles.

Hence, the answer is Alzheimer's disease.

ALZHEIMER'S

Explanation:

Alzheimer's is a disorder or disease that causes the brain cells to waste and die away and it is the most common cause of dementia that affect the brain and cause a continuous decline in thinking, reasoning skills, behavioral and social skills that affect a person's ability to perform independently and the symptoms usually develop slowly and get worse over time, becoming severe enough to affect with the person daily life due to memory loss. And the most common early sign is lack of the person in remembering recent events that happen and it mostly occurs at age 80 due to old age.

In a nut shell ALZHEIMER'S is a neurocognitive disorder marked by neural plaques, often with onset after age 80, and entailing progressive decline in memory an other cognitive abilities of the person.

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