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ANALYSE BASEE FIXELS [1 record]

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Record 1 2024-06-14

English

Subject field(s)
  • Medical Imaging
CONT

Unlike the DT [diffusion tensor] model, FBA relies on a spherical harmonic representation of diffusion that can more readily represent complex multi-fiber geometry, allowing for anatomically-informative metrics to be separately estimated for distinct fiber populations within a voxel. Specifically, fixel-based analysis utilizes constrained spherical deconvolution (CSD) to estimate fiber orientation distribution functions (fODFs) within each voxel, and then segments fODFs into directionally distinct lobes associated with distinct fiber populations ("fixels") within a voxel.

Key term(s)
  • fixel based analysis

French

Domaine(s)
  • Imagerie médicale

Spanish

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