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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: J Mol Neurosci. 2011 May 15;45(3):618–628. doi: 10.1007/s12031-011-9534-2

Fig. 5.

Fig. 5

The PPA-signature of cortical atrophy as measured from MRI scans is a valid reflection of the level of clinical impairment. Correlation between PPA-signature MRI biomarker and PASS Sum-of-Boxes measure of clinical impairment, with higher ratings on this measure indicating more substantial clinical language impairment