Choosing the polarity of the phase-encoding direction in diffusion MRI: Does it matter for group analysis?

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Kennis, M. ; van Rooij, S.J.H. ; Kahn, R.S. ; Geuze, E. ; Leemans, A. (2016)
  • Publisher: Elsevier
  • Journal: NeuroImage : Clinical, volume 11, pages 539-547 (issn: 2213-1582, eissn: 2213-1582)
  • Related identifiers: doi: 10.1016/j.nicl.2016.03.022, pmc: PMC4845159
  • Subject: Data quality | R858-859.7 | EPI distortions | Computer applications to medicine. Medical informatics | Neurology. Diseases of the nervous system | Phase-encoding polarity | Susceptibility artifacts | RC346-429 | Regular Article | Diffusion tensor imaging | Fractional anisotropy | Group analysis

Notorious for degrading diffusion MRI data quality are so-called susceptibility-induced off-resonance fields, which cause non-linear geometric image deformations. While acquiring additional data to correct for these distortions alleviates the adverse effects of this art... View more
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