Combined amyloid and P-TAU181 positivity

Biomarker3 findings

Associations

3

EOAD signature, precuneus, and superior temporal sulcus bank cortical thickness

downin humans1

1 study
  1. Combined amyloid and P-TAU181 positivity is associated with EOAD signature, precuneus, and superior temporal sulcus bank cortical thickness in humans.

    Humanssubjective cognitive declinecerebral cortex

    Brain thinning detected before dementia in people under 65 · Journal of neurology · 7 Oct 2026

EOAD signature, precuneus, and superior temporal sulcus bank cortical thickness →

Hippocampal volume

downin humans1

1 study
  1. Combined amyloid and P-TAU181 positivity is associated with hippocampal volume in humans.

    Humansmild cognitive impairmenthippocampus

    Brain thinning detected before dementia in people under 65 · Journal of neurology · 7 Oct 2026

Hippocampal volume →

Cortical thickness

downin humans1

1 study
  1. Combined amyloid and P-TAU181 positivity is associated with cortical thickness in humans.

    Humansmild cognitive impairment; A+T1+ compared with A+T1- profilescerebral cortex

    Brain thinning detected before dementia in people under 65 · Journal of neurology · 7 Oct 2026

Cortical thickness →

Latest

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Journal of NeurologyHumans

Brain thinning detected before dementia in people under 65

An observational study of 292 people under 65 linked two positive Alzheimer’s-related spinal-fluid tests to earlier and more extensive thinning.An observational study of 292 people under 65 linked two positive Alzheimer’s-related spinal-fluid tests to earlier and more extensive thinning.