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- Title
Anatomical and functional brain imaging using high-resolution echo-planar spectroscopic imaging at 1.5 Tesla.
- Authors
Du, Weiliang; Karczmar, Gregory S.; Uftring, Stephen J.; Du, Yiping P.
- Abstract
High-resolution echo-planar spectroscopic imaging (EPSI) of water resonance (i.e. without water suppression) is proposed for anatomic and functional imaging of the human brain at 1.5 T. Water spectra with a resolution of 2.6 Hz and a bandwidth of 333 Hz were obtained in small voxels (1.7 × 1.7 × 3 mm3) across a single slice. Although water spectra appeared Lorentzian in most of the voxels in the brain, non-Lorentzian broadening of the water resonance was observed in voxels containing blood vessels. In functional experiments with a motor task, robust activation in motor cortices was observed in high-resolution T
- Publication
NMR in Biomedicine, 2005, Vol 18, Issue 4, p235
- ISSN
0952-3480
- Publication type
Article
- DOI
10.1002/nbm.952