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Title page for ETD etd-03252014-084553

Type of Document Master's Thesis
Author West, Kathryn Louise
Author's Email Address kathryn.l.west@vanderbilt.edu
URN etd-03252014-084553
Title Multi-exponential T2 Myelin Water Imaging in Ex-Vivo Rodent Brain at 7T and 15.2T
Degree Master of Science
Department Biomedical Engineering
Advisory Committee
Advisor Name Title
Mark D. Does Committee Chair
Daniel F. Gochberg Committee Member
  • ultra-high field
  • Muliti-exponential T2
  • Myelin
Date of Defense 2014-03-25
Availability unrestricted
To apply MWI techniques to excised, fixed rodent brains, multi-exponential T2 (MET2) data were acquired at high (7T) and ultra-high (15.2T) fields with and without tissue doping with Gadolinium to increase SNR efficiency. From relaxivity measurements, optimal scan parameters are found based on the minimal Cramér-Rao lower bounds (CRLB) of variance of myelin water fraction (MWF). Subsequently acquired MET2 data were analyzed to obtain myelin water fraction (MWF) maps with and without contrast agent at each field strength with various techniques, displaying the potential for MWI in rodent brain in the study of myelin content across whole brain.
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