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Hi there, have you used original (i.e. not betted data) for fnirt? And what configuration file have you used? Jesper On 9 Jul 2013, at 15:04, Stéphane Jacobs wrote: > Hello, > > I use FNIRT with default settings to register my anatomicals to the standard space, and am not completely happy with the result for some subjects. > The calibration of functional data to the highres anatomical is done using the BBR option, and woks fine. But when I look at the highres2standard output, I see some local distorions, especially in the parietal region, i.e. some spikes poking outside of the standard template. These distorsions are of course passed on to the example_func2standard registration, and the output shows the same deformations. I have put the images for the 3 registrations here: https://drive.google.com/folderview?id=0B6BVou-GmdvuNmNIdnd3eGs1MW8&usp=sharing. > > Could someone have a look and tell me what I can do to fix this? > > Many thanks for the help, and best regards > > Stephane >