James A. Sorenson
Credentials: Ph.D.
Position title: Emeritus Professor, Medical Physics
Email: jasorens@wisc.edu
Address:
1005 Wisconsin Institutes for Medical Research
B.S., Physics, University of Wisconsin -Madison, 1963
Education
B.S., Physics, University of Wisconsin -Madison, 1963
M.S., Physics, University of Wisconsin -Madison, 1964
Ph.D., Radiological Sciences, University of Wisconsin-Madison, 1971
Department Affilations
Radiology
Medical Physics
Positions
- 1966-1971, University of Wisconsin-Madison, Physicist-Section of Nuclear Medicine
- 1971-1973, University of Wisconsin-Madison, Assistant Professor of Radiology
- 1973-1979, University of Utah, Associate Professor of Radiology, Director of MEDICAL PHYSICS
- 1979-1987, University of Utah, Salt Lake City, UT, Professor of Radiology, Director of MEDICAL PHYSICS
- 1987-1989, LUNAR Corp., Madison, WI, Director of R&D
Research Interests
My current research interests include the following: magnetic resonance imaging (functional MRI and MR image segmentation); diagnostic X ray; bone densitometry and body composition; absorptiometry (for bone densitometry and body composition); ROC (receiver operating characteristic) methods.
Publications
- Sorenson, J.A., Wang, X., ROC methods for evaluation of fMRI techniques. Magn. Reson. Med., 36:737-744, 1996.
- Kao, Y-H., Sorenson, J.A., Winkler S.S., MR image segmentation using vector decomposition and probability techniques: a general model and its application to dual-echo images, Magn. Reson. Med., 35:114-125, 1996.
- Ryner L.N., Sorenson, J.A., Thomas, M.A., Localized 2D J-resolved H-1 MR spectroscopy: strong coupling effects in vitro and in vivo, Magn. Reson. Imaging, 13:853-869, 1995;
- Fairbanks, E.J., Santyr, G.E., and Sorenson, J.A., One-shot measurement of spin-lattice relaxation times in the off-resonance rotating frame using MR imaging, with application to breast, J. Magn. Reson. (B) 106:279-283, 1995.
- Kao, Y-H., Sorenson J.A., Bahn M.M., Winkler, S.S., Dual-echo MRI segmentation using vector decomposition and probability techniques: a two-tissue model. Magn. Reson. Med., 32: 342-357, 1994.
- Santyr G E;Fairbanks E J;Kelcz F;Sorenson J A Off-resonance spin locking for MR imaging Magnetic Resonance In Medicine 32 43-51 1994 Jul.
- Ryner L N;Sorenson J A;Thomas M A 3d localized 2d nmr spectroscopy on an MRI scanner Journal of Magnetic Resonance Series B 107 126-37 1995 May.
- Ryner L N;Sorenson J A;Thomas M A Localized 2d j-resolved 1h MR spectroscopy: strong coupling effects in vitro and in vivo Magnetic Resonance Imaging 13 853-69 1995.
Patents
- Method for segmenting features in an image, U.S. Patent No. 5,361,763, 1993, WARF
- Suppression of oscillations in NMR measurement using off-resonance spin-locking pulses, U.S. Patent No. 5,420,510, 1993, Wisconsin Alumni Research Foundation WARF.
Memberships
- American Association of Physicists in Medicine
- Health PHYSICS Society
- International Society of Magnetic Resonance in Medicine