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About the brain

Changes in a person’s behaviour can be a sign of damage to certain areas of the brain.

Visit our interactive Brain Tour to see how the brain works and how it is affected by Alzheimer’s.

Below are descriptions of what each area of the brain does and how damage to that area can cause specific changes.

Limbic system

Hippocampus and temporal lobes

Parietal lobes

Frontal lobe

Occipital lobe