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Method To Correct The Voxel Size In Press Localized Nmr Stereoscopy, Diana M. Lindquist, Roger M. Hawk, Richard A. Komoroski
Method To Correct The Voxel Size In Press Localized Nmr Stereoscopy, Diana M. Lindquist, Roger M. Hawk, Richard A. Komoroski
Journal of the Arkansas Academy of Science
Two techniques commonly used on human magnetic resonance spectroscopy systems to obtain spectra from localized volumes in the brain are point resolved spectroscopy (PRESS) and stimulated echo acquisition mode (STEAM) spectroscopy. PRESS gives a signal twice as large as that obtained with STEAM, but suffers from longer minimum echo times. While STEAM must be used to detect species with short spin-spin relaxation times, PRESS can be used for species with longer relaxation times to give a spectrum with a better signal to noise ratio. Only STEAM was provided for the GE Omega 4.7 T small animal imager used in this …