Tracing of Nerve Fibers Through Brain Regions of Fiber Crossings in Reconstructed 3D-PLI Volumes

  • Marius NoldenEmail author
  • Nicole Schubert
  • Daniel Schmitz
  • Andreas Müller
  • Markus Axer
Conference paper
Part of the Informatik aktuell book series (INFORMAT)


Three-dimensional (3D) polarized light imaging (PLI) is able to reveal nerve fibers in the human brain at microscopic resolution. While most nerve fiber structures can be accurately visualized with 3D-PLI, the currently used physical model (based on Jones Calculus) is not well suited to distinguish steep fibers from specific fiber crossings. Hence, streamline tractography algorithms tracing fiber pathways get easily misdirected in such brain regions. For the presented study, we implemented and applied two methods to bridge areas of fiber crossings: (i) extrapolation of fiber points with cubic splines and (ii) following the most frequently occurring orientations in a defined neighborhood based on orientation distribution functions gained from 3D-PLI measurements (pliODFs). Applied to fiber crossings within a human hemisphere, reconstructed from 3D-PLI measurements at 64 microns in-pane resolution, both methods were demonstrated to sustain their initial tract direction throughout the crossing region. In comparison, the ODF-method offered a more reliable bridging of the crossings with less gaps.


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Copyright information

© Springer Fachmedien Wiesbaden GmbH, ein Teil von Springer Nature 2019

Authors and Affiliations

  • Marius Nolden
    • 1
    Email author
  • Nicole Schubert
    • 1
  • Daniel Schmitz
    • 1
  • Andreas Müller
    • 2
  • Markus Axer
    • 1
  1. 1.Institute of Neuroscience and Medicine (INM-1)Research Centre JülichJülichDeutschland
  2. 2.SimLab NeuroscienceJülich Supercomputing Centre, Research Centre JülichJülichDeutschland

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