Improving the temporal resolution of functional MR imaging using keyhole techniques

Magnetic Resonance in Medicine

Volumn 35, Issue 6, 1996, Pages 854-860

  Gao, Jia Hong ^a   Xiong, Jinhu ^a   Lai, Song ^b   Haacke, E Mark ^b   Woldorff, Marty G ^a   Li, Jinqi ^a   Fox, Peter T ^a  

^a UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO   (United States)

^b WASHINGTON UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

Functional MRI; keyhole; motor; temporal resolution

Indexed keywords

CHEMICAL ACTIVATION; DATA ACQUISITION; DATA SHARING; IMAGE RECONSTRUCTION; MOTORS;

ACQUISITION TIME; FUNCTIONAL MRI; FUNCTIONAL MRI (FMRI); GRADIENT ECHO IMAGING; HIGH RESOLUTION; HIGH SPATIAL RESOLUTION; KEYHOLE; TEMPORAL RESOLUTION;

MAGNETIC RESONANCE IMAGING;

ARTICLE; IMAGE QUALITY; IMAGE RECONSTRUCTION; NUCLEAR MAGNETIC RESONANCE IMAGING; OPTICAL RESOLUTION; TECHNIQUE; TIME;

EID: 0029894499     PISSN: 07403194     EISSN: None     Source Type: Journal    
DOI: 10.1002/mrm.1910350611     Document Type: Article

References (22)

1. K. K. Kwong, Functional magnetic resonance imaging with echo planar imaging. Magn. Reson. Quarterly 11, 1-20 (1995).
2. J. J. van Vaals, M. Brummer, W. T. Dixon, H. H. Tuithof, H. Engels, R. C. Nelson, B. M. Gerety, J. L. Chezmar, J. A. den Boer, "Keyhole" method for accelerating imaging of contrast agent uptake. J. Magn. Reson. Imaging 3, 671-675 (1993).
3. R. A. Jones, O. Haraldseth, T. B. Muller, P. A. Rinck, A. N. Oksendal, K-space substitution: a novel dynamic imaging technique. Magn. Reson. Med. 29, 830-834 (1993).
4. J. Bishop, R. M. Henkelman, D. B. Plewes, Dynamic spin-echo imaging: theoretical assessment and implementation. J. Magn. Reson. Imaging. 4, 843-852 (1994).
5. S. J. Riederer, T. Tasciyan, R. Farzaneh, J. N. Lee, R. C. Wright, R. J. Herfkens, MR fluoroscopy: technical feasibility. Magn. Reson. Med. 8, 1-15 (1988).
6. G. B. Pike, J. O. Fredrickson, G. H. Glover, D. R. Enzmann, Dynamic susceptibility contrast imaging using a gradient-echo sequence, in "Proc., SMRM, 11th Annual Meeting, Berlin, 1992," p. 1131.
7. R. S. Hinks, S. Einstein, Shared data dual echo in fast spin-echo imaging, in "Proc., SMRM, 10th Annual Meeting, San Francisco, 1991," p. 1011.
8. J. E. Bishop, I. Soutar, W. Kucharczyk, D. B. Plewes, Rapid sequential imaging with shared-echo fast spin-echo imaging, in "Works in Progress Supplement to Annual Meeting Program, SMRI, 10th Annual Meeting, New York, 1992," p. S22.
9. H. D. Morris, Z.-P. Liang, C. Potter, Y. Cao, P. C. Lauterbur, Efficient functional imaging with RIGR on a clinical system, in "Proc., SMRM, 12th Annual Meeting, New York, 1993," p. 1393.
10. J.-H. Gao, J. Xiong, J. Li, M. Woldorff, J. Schiff, P. T. Fox, Dynamic functional NMR imaging studies using conventional MRI systems, in "Proc., ENC, 36th Annual Meeting, Boston, MA, 1995," p. 248.
11. J. Tintera, G. Schaub, J. Gawehn, P. Stoeter, Functional MRI with keyhole technique, Human Brain Mapping, supplement 1, 124 (1995).
12. K. J. Friston, P. Jezzard, R. Turner, Analysis of functional MRI time-series. Human Brain Mapping 1, 153-171 (1994).
13. J. Xiong, J.-H. Gao, J. Lancaster, P. T. Fox, Clustered pixels analysis for functional MRI activation studies of the human brain. Human Brain Mapping 3 (4), (1995).
14. K. J. Worsley, A. C. Evans, S. Marrett, P. Neelin, A three-dimensional statistical analysis for CBF activation studies in human brain. J. Cereb. Blood Flow Metab. 12, 900-918 (1992).
15. T. A. Spraggins, Spatial distortions in keyhole imaging, in "Proc., SMRM, 12th Annual Meeting, New York, 1993," p. 1259.
16. R. T. Constable, R. P. Kennan, A. Puce, G. McCarthy, J. C. Gore, Functional NMR imaging using fast spin echo at 1.5 T. Magn. Reson. Med. 31, 686-690 (1994).
17. J.-H. Gao, J. Xiong, J. Li, J. Schiff, J. Roby, J. Lancaster, P. T. Fox, Fast spin-echo characteristics of visual stimulation-induced signal changes in the human brain. J. Magn. Reson. Imaging 5, 709-714 (1995).
18. P. V. Gelderen, N. F. Ramsey, G. Liu, J. H. Duyn, J. A. Frank, D. R. Weinberger, C. T. Moonen, Three dimensional functional magnetic resonance imaging of human brain on a clinical 1.5-T scanner. Proc. Natl. Acad. Sci. (USA) 92, 6906-6910 (1995).
19. E. M. Haacke, A. Hopkins, S. Lai, P. Buckley, L. Friedman, H. Meltzer, P. Hedera, R. Friedland, S. Klein, L. Thompson, D. Detterman, J. Tkach, J. S. Lewin, 2D and 3D high resolution gradient echo functional imaging of the brain: venous contributions to signal in motor cortex studies. NMR Biomed. 7, 54-62 (1994).
20. X. Hu, On the "keyhole" technique, J. Magn. Reson. Imaging 4, 231 (1994).
21. Z. P. Liang, P. C. Lauterbur, Improved temporal/spatial resolution in functional imaging through generalized series reconstruction, in "Works in Progress Supplement to Annual Meeting Program, SMRI, 10th Annual Meeting, New York. 1992," p. S15.
22. Z. P. Liang, P. C. Lauterbur, Efficient time-sequential imaging through generalized series modeling: a simulation analysis, in "Proc., SMRM, 11th Annual Meeting, Berlin, 1992," p. 4266.