Figure 3.
Co-registration of structural MRI and proton MRS images, acquired in the same scan session from a healthy young control.  Left column (upper) illustrates unprocessed axial water-based structural image, and (lower) edge-detected version.  Right column (upper) illustrates proton inversion recovery MRS image of n-acetylaspartic acid (NAA) distribution in the axial plane, and (lower) a linear combination of NAA distribution and structural edges providing neuroanatomic definition without obscuring spectroscopic data.  Figure provided courtesy of Daniel Spielman, Department of Radiology, Stanford University.

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published 2000