Hey Guillaume, does the spm_summarise function also work, when I have a nifti with multiple ROIs e.g. numbered 1-100 or is it necessary to run the function with seperate ROI nifti's? greetings David 2014-09-02 13:18 GMT+02:00 Guillaume Flandin <[log in to unmask]>: > Dear Mahsa, > > if you want to mask your functional image with your ROI, you can indeed > use ImCalc as suggested by David (with expression i1.*i2) or spm_mask.m. > > If you actually want to extract data from your functional image within > your ROI, you can use the spm_summarise function: > >> Y = spm_summarise('functional_image.nii','ROI.nii'); > > Best regards, > Guillaume. > > > On 31/08/14 12:32, Mahsa Alizade shalchy wrote: > > Dear all > > Hi > > Thank you so much for your time.I was able to create a mask of my > > desired ROIs(within MNI) using SPM(pickatlas).However,I could not > > extract the created ROI out of another image(i.e functional > > image)automatically and I have to multiply them using a matlab mfile as > > following: > > Masked_image=ROI * image. > > How could I extract masked_image automatically? > > I searched through the older posts and came across"peak_extract_nii > > tool",Could this be a solution?How could I download it? > > Many thanks in advance. > > Best Regards, > > Mahsa > > > > > > -- > Guillaume Flandin, PhD > Wellcome Trust Centre for Neuroimaging > University College London > 12 Queen Square > London WC1N 3BG >