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Dear everyone,
I know that this might be not exactly the right place to ask, but I unfortunately did not reach the authors of the publication so far.
I want to work with the evolutionary expansion map by Wei et al. published in Nat Comm (2019; https://secure-web.cisco.com/1EOa2cp_XKYtekyLUN3mqm-iZxVh0pAiE-j1_IvELbdew0_...). On their website, they provide a download link leading to two mgh files (attached; https://secure-web.cisco.com/1wjBHK0nX5LW0U-Wy1w4rY2bystAnHOCIGlVB_T3xRlPwIA...). I read them with the Matlab load_mgh.m function provided here (https://secure-web.cisco.com/1-0OpH0qgfeFpbCMfaVWHm-btTsT6A2ZX44WYfXtCEzjf9b...) and it shows a 163842 x 1 vector (which probably corresponds to fsaverage6 I guess...). I now want to convertthe 1D vector back into 3D. I have come across save_mgh.m but don't know what should be put in as M (4x4 vox2ras transform). Any ideas what is the correct way to do that?
Thank you!
Best, Melissa