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attachment: diagnostic_aamod_norm_noss.jpg

Problem with two-pass normalisation

The standard aa normalisation routine ([http://imaging.mrc-cbu.cam.ac.uk/imaging/AutomaticAnalysisVersions#head-20f22d73e91b461dcf6bf69e792269bdce21ecf4 Automatic Analysis normalisation with segment]) may fail in certain cases. The example below illustrates it: at the bottom, the normalised brain on the left is smaller and has not been reoriented correctly.

attachment: diagnostic_aamod_norm_noss.jpg

In order to allow monitoring of such occurrences, please mail to imagerstech@mrc-cbu.cam.ac.uk if you notice this problem.

Our solution: For this participant, we used the SPM normalize procedure instead of the aamod_norm_noss and rewrite modules.

CbuImaging: FmriAnalysisProblems (last edited 2013-03-07 21:24:03 by localhost)