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

Areas of brain affected by Alzheimer's and other dementias, including the frontal lobe, parietal lobe, and temporal lobe

Alzheimer's disease is a condition that destroys the connections between cells in the brain over time. Eventually these cells die. This affects how the brain works. As cells die, the brain shrinks.

The damaged areas of the brain include the hippocampus, which is an area of the brain that helps new memories form. Damage to the frontal lobe of the brain eventually causes problems with intelligence, judgment, and behavior. Damage to the temporal lobe affects memory. And damage to the parietal lobe affects language.

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

Current as of: February 9, 2022

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

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

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