Years before tau tangles show up in brain scans of patients with Alzheimer's disease, a biomarker test developed at the ...

Researchers say CSF biomarker test correlates with the severity of cognitive decline, independent of other factors, including brain amyloid deposition.

Years before tau tangles show up in brain scans of patients with Alzheimer's disease, a biomarker test can detect small amounts of the clumping-prone tau protein and its misfolded pathological forms ...