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Table 2 Biomarker collection

From: Brain connectivity and metacognition in persons with subjective cognitive decline (COSCODE): rationale and study design

Biomarkers

Imaging

Molecular

  Amyloid PET

Standardized uptake value ratio

  Tau PET

Standardized uptake value ratio

  Fluorodeoxyglucose PET

Standardized uptake value ratio

Magnetic resonance

  T1 3D MP-RAGE

Gray matter volume

  3D FLAIR

White matter lesions volume

  rsfMRI

Functional connectivity at rest

  DTI

Mean diffusivity, radial diffusivity, fractional anisotropy, axonal density, intra-axonal injury, inflammation

  SWI

Number of Microbleeds

  ASL

Gray matter perfusion indexes

FLUID

  CSF

Aβ40, Aβ42, P-tau, T-tau

  Blood

Aβ40, Aβ42, P-tau181, P-tau217, NfL, APOE, inflammatory markers

  Stool and saliva

Gut microbiota composition