Dementia Atlas
terms

Glossary

Glossary with plain-English TL;DRs and Wikipedia links.

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Twenty kinds of term, each with a short animation of what that kind is about. Click one to filter the glossary; every term page opens with its own picture.

4 terms
Mild cognitive impairment
Thinking changes that are noticeable but do not, by themselves, take away everyday independence.
Mixed dementia
More than one brain disease is contributing, often Alzheimer’s pathology plus vascular injury.
Amyloid PET
A PET scan that can show amyloid plaques. It answers a biology question, not 'how severe is the dementia'.
ARIA
ARIA is swelling or bleeding seen on MRI in people receiving amyloid antibodies. It can be silent or, less often, symptomatic.