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Sensitivity-enhanced echo-planar MRI at 1.5T using a 5 x 5 mesh dome resonator.
| Publication Type | Academic Article |
| Authors | Meyer K, Kim K, Li T, Tulipano P, Lee K, DeLaPaz R, Hirsch J, Ballon D |
| Journal | Magn Reson Med |
| Volume | 36 |
| Issue | 4 |
| Pagination | 606-12 |
| Date Published | 10/01/1996 |
| ISSN | 0740-3194 |
| Keywords | Echo-Planar Imaging |
| Abstract | In this work a 5 x 5 mesh dome resonator that has been optimized for functional brain imaging is presented. The resonator was reduced in length and diameter compared with previous versions to reduce sample losses, thus enhancing the signal-to-noise ratio of the acquired data. In addition, a 5 x 5 mesh design was employed, which offered improved axial homogeneity over an earlier 3 x 3 mesh version. The new resonator exhibited high sensitivity and good homogeneity over the brain volume, permitting analysis of functional activation over large areas of the cerebral cortex. In a direct comparison with a standard clinical head-imaging resonator, the high sensitivity of the 5 x 5 mesh dome resonator resulted in greater statistical confidence in functional activation. |
| DOI | 10.1002/mrm.1910360416 |
| PubMed ID | 8892214 |