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Areas of the Brain Affected by Alzheimer's and Other Dementias

Areas in the brain affected by Alzheimer's and other dementias

Alzheimer's disease is a progressive condition that destroys the connections between cells in the brain. Eventually these cells die, which affects how the brain works. As cells die in the outer layer of the brain-called the cortex-it shrinks, and the spaces in the brain get larger. The cortex includes the hippocampus, which is an area of the brain that helps new memories form.

The damage to the brain eventually causes problems with memory, intelligence, judgment, language, and behavior.

Alzheimer's is the most common form of mental decline, or dementia, in older adults.

Current as of: June 16, 2021

Author: Healthwise Staff
Medical Review:
Anne C. Poinier MD - Internal Medicine
Kathleen Romito MD - Family Medicine
Myron F. Weiner MD - Psychiatry, Neurology

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