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