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Human Brain Functional MRI and DTI Visualization With Virtual Reality

[+] Author Affiliations
Bin Chen, John Moreland, Jingyu Zhang

Purdue University Calumet, Hammond, IN

Paper No. WINVR2011-5565, pp. 343-349; 7 pages
  • ASME 2011 World Conference on Innovative Virtual Reality
  • ASME 2011 World Conference on Innovative Virtual Reality
  • Milan, Italy, June 27–29, 2011
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4432-8
  • Copyright © 2011 by ASME


Magnetic resonance diffusion tensor imaging (DTI) and functional MRI (fMRI) are two active research areas in neuroimaging. DTI is sensitive to the anisotropic diffusion of water exerted by its macromolecular environment and has been shown useful in characterizing structures of ordered tissues such as the brain white matter, myocardium, and cartilage. The diffusion tensor provides two new types of information of water diffusion: the magnitude and the spatial orientation of water diffusivity inside the tissue. This information has been used for white matter fiber tracking to review physical neuronal pathways inside the brain. Functional MRI measures brain activations using the hemodynamic response. The statistically derived activation map corresponds to human brain functional activities caused by neuronal activities. The combination of these two methods provides a new way to understand human brain from the anatomical neuronal fiber connectivity to functional activities between different brain regions. In this study, virtual reality (VR) based MR DTI and fMRI visualization with high resolution anatomical image segmentation and registration, ROI definition and neuronal white matter fiber tractography visualization and fMRI activation map integration is proposed. Rationale and methods for producing and distributing stereoscopic videos are also discussed.

Copyright © 2011 by ASME



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