Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Metrics obtained using DKI. DKI parametric maps and T2-FLAIR images of 60-, 70-, and 80-year-old participants (all female, white, and right-handed). The calibration bars for the diffusivities are in units of mm2/ms, whereas those for the AWF, FA, and MK are dimensionless. Abbreviations: AWF, axonal water fraction; DKI, diffusional kurtosis imaging; FA, fractional anisotropy; MK, mean kurtosis.
