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DTI and Bold MR Imaging

  • Luiz Celso Hygino Da CruzJr.Email author
  • Isabela Garcia Vieira
  • Tatiana Chinem Takayassu
Chapter
  • 2.9k Downloads
Part of the Learning Imaging book series (LEARN)

Abstract

Diffusion tensor imaging (DTI) is a new technique that allows the mapping of mean water diffusion in fibrous tissues. It depends on a property, known as diffusion anisotropy, which is based in the fact that water molecules diffuse more easily in the direction aligned with internal structure and with difficulty as it moves perpendicular to the preferred direction. The acquired data enable the reconstruction of 3D images of white matter tracts (tractography) and the measurement of fractional anisotropy, which reflects the anisotropy of the analyzed structure.

Keywords

Amyotrophic Lateral Sclerosis Fractional Anisotropy Alzheimer Disease Diffusion Tensor Imaging White Matter Tract 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Luiz Celso Hygino Da CruzJr.
    • 1
    Email author
  • Isabela Garcia Vieira
    • 2
  • Tatiana Chinem Takayassu
    • 3
  1. 1.CDPI and IRM Ressonancia MagneticaUniversidade Federal do Rio de JaneiroRio de JaneiroBrazil
  2. 2.Hospital Unimed ChapecóChapecóBrazil
  3. 3.Clínica de Diagnóstico por Imagem (CDPI) e MultimagemSanta Casa de Misericórdia do Rio de JaneiroRio de JaneiroBrazil

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