Association of Olfactory Dysfunction, Subjective Cognitive Decline and Alzheimer’s Biomarkers With Dementia Risk

Abstract

Integrating early dementia manifestations, including subjective cognitive decline (SCD, self-reported cognitive changes without objective evidence) and olfactory dysfunction (OD), with plasma biomarkers of Alzheimer’s and neurodegeneration (Amyloid-β (Aβ) 42/40, phosphorylated-tau-181, Glial Fibrillary Acidic Protein,