Fractional anisotropy (FA) indicates the orientation of diffusion and is high along well-defined pathways such as the corpus callosum, pyramidal tracts, and optic radiations. A reduction in FA in such pathways is therefore a potential marker of axonal structural integrity.
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Fractional anisotropy (FA) is a scalar value between zero and one that describes the degree of anisotropy of a diffusion process. A value of zero means that ...
Measures the degree of anisotropy of water molecules. Without obstacles, water molecules diffuse freely in any direction, a pattern that may be changed by the ...
Cognitive aging, executive function, and fractional anisotropy - PubMed
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Background and purpose: Fractional anisotropy (FA) is a useful measure of connectivity in the brain that can be derived from the diffusion tensor imaging (DTI) ...
Jan 14, 2022 · Fractional anisotropy (FA), axial diffusivity (AD), and radial diffusivity (RD) are commonly used as MRI biomarkers of white matter ...
We examined age trajectories of fractional anisotropy (FA) of cerebral white matter (WM) and thickness of cortical gray matter (GM) in 1,031 healthy human ...
Jul 20, 2018 · Fractional anisotropy is the preference of water to diffuse along an axis. It is a unitless value ranging from 0 to 1.
BACKGROUND AND PURPOSE: Fractional anisotropy (FA) is a useful measure of connectivity in the brain that can be derived from the diffusion tensor imaging (DTI) ...
May 4, 2021 · White Matter Fractional Anisotropy Is a Superior Predictor for Cognitive Impairment Than Brain Volumes in Older Adults With Confluent White ...