Rezultati pretraživanja
  1. 29. lis 2018.

    : Vessel noise. Even though these sub-millimeter voxels are mostly limited by thermal noise, the physiological noise can still matter in resting-state analysis pipelines

  2. 10. kol 2018.

    : GRAPPA ghosts in EPI as a function of bandwidth. The EPI ramp-sampling ratio matters more than the acoustic resonances.

  3. 5. ruj 2018.

    : Assuming a smooth cortical curvature in segmentation methods give nice looking images, but it introduces biases in layer-fMRI. Layers are shifted towards CSF in bottom of sulcus and towards WM at crown on gyrus.

  4. 20. sij

    Another support that Boundary Based Registration can be advantageous for motion correction in layer-fMRI. NeuroImage paper from Cambridge 7T Terra:

  5. 25. velj 2019.

    : tSNR edge artifact in SMS. Since neighbouring voxels are aliased from non-neighbouring locations, tSNR has sharp edges. Example data from the new shiny Terra in Korea, thnx

  6. 22. lip 2019.

    : Fold-over fat signal with MP2RAGE. More MP2GARE layer-fMRI artifact are here:

  7. 14. ruj 2019.
    Odgovor korisnicima

    I agree, there is no artifact here. It really just depends on the exact choice of TI/TR.

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