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Publication Detail
A 3D fiber model of the human brainstem
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Journal Article
  • Authors:
    Axer H, Leunert M, Mürköster M, Gräßel D, Larsen L, Griffin LD, Keyserlingk DGV
  • Publication date:
    01/12/2002
  • Pagination:
    439, 444
  • Journal:
    Computerized Medical Imaging and Graphics
  • Volume:
    26
  • Issue:
    6
  • Status:
    Published
  • Print ISSN:
    0895-6111
Abstract
A new neuroanatomic approach to evaluate the fiber orientation in gross histological sections of the human brain was developed. Serial sections of a human brainstem were used to derive fiber orientation maps by analysis of polarized light sequences of these sections. Fiber inclination maps visualize angles of inclination, and fiber direction maps show angles of direction. These angles define vectors which can be visualized as RGB-colors. The serial sections were aligned to each other using the minimized Euclidian distance as fit criterion. In the 3D data set of the human brainstem the major fiber tracts were segmented, and three-dimensional models of these fiber tracts were generated. The presented results demonstrate that two kinds of fiber atlases are feasible: a fiber orientation atlas representing a vector in each voxel, which shows the nerve fiber orientation, and a volume-based atlas representing the major fiber tracts. These models can be used for the evaluation of diffusion tensor data as well as for neurosurgical planning. © 2002 Elsevier Science Ltd. All rights reserved.
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