Simultaneous multislice acquisition using rosette trajectories (SMART): A new imaging method for functional MRI
作者： Douglas C. Noll , Scott J. Peltier , Fernando E. Boada
关键词: Rosette (botany) 、 Frequency modulation 、 Noise 、 Simultaneous multislice 、 Biomedical engineering 、 Spatial frequency 、 Spectral properties 、 Telecommunications 、 Iterative reconstruction 、 Materials science 、 Modulation
摘要: A new acquisition technique for rapid, whole-brain functional MRI is presented. In this technique, several slices are simultaneously acquired using rosette k-space trajectories and a gradient-induced frequency modulation. This modulation together with the spectral properties of allow all to be reconstructed individually. studies, rates 16.7 25 images/s were achieved, threefold improvement over single-slice acquisitions. The raw images showed some increase in noise. However, because mostly stationary, activation maps only slight noise (8%).
sci-hub.se 参考文章(31)
I.J. Lowe, R.E. Wysong, DANTE Ultrafast Imaging Sequence (DUFIS) Journal of Magnetic Resonance, Series B. ,vol. 101, pp. 106- 109 ,(1993) , 10.1006/JMRB.1993.1017
Gary P. Zientara, Lawrence P. Panych, Ferenc A. Jolesz, Dynamically adaptive MRI with encoding by singular value decomposition Magnetic Resonance in Medicine. ,vol. 32, pp. 268- 274 ,(1994) , 10.1002/MRM.1910320219
Richard Scott Likes, Moving gradient zeugmatography ,(1980)
P Mansfield, R J Ordidge, R Coxon, Zonally magnified EPI in real time by NMR Journal of Physics E: Scientific Instruments. ,vol. 21, pp. 275- 280 ,(1988) , 10.1088/0022-3735/21/3/008
Bharat Biswal, F. Zerrin Yetkin, Victor M. Haughton, James S. Hyde, Functional connectivity in the motor cortex of resting human brain using echo-planar MRI. Magnetic Resonance in Medicine. ,vol. 34, pp. 537- 541 ,(1995) , 10.1002/MRM.1910340409
Gary H. Glover, Phase-offset multiplanar (POMP) volume imaging: A new technique Journal of Magnetic Resonance Imaging. ,vol. 1, pp. 457- 461 ,(1991) , 10.1002/JMRI.1880010410
Adrian T. Lee, Gary H. Glover, Craig H. Meyer, Discrimination of large venous vessels in time-course spiral blood-oxygen-level-dependent magnetic-resonance functional neuroimaging. Magnetic Resonance in Medicine. ,vol. 33, pp. 745- 754 ,(1995) , 10.1002/MRM.1910330602
J. D. O'Sullivan, A Fast Sinc Function Gridding Algorithm for Fourier Inversion in Computer Tomography IEEE Transactions on Medical Imaging. ,vol. 4, pp. 200- 207 ,(1985) , 10.1109/TMI.1985.4307723
S. P. Souza, J. Szumowski, C. L. Dumoulin, D. P. Plewes, G. Glover, SIMA Journal of Computer Assisted Tomography. ,vol. 12, pp. 1026- 1030 ,(1988) , 10.1097/00004728-198811000-00021
D.C. Noll, Multishot rosette trajectories for spectrally selective MR imaging IEEE Transactions on Medical Imaging. ,vol. 16, pp. 372- 377 ,(1997) , 10.1109/42.611345