Hi, use a nifti Matlab package to convert to nifti, http://niftilib.sourceforge.net/ or http://www.rotman-baycrest.on.ca/~jimmy/NIfTI/ /Anders Muhammad Numan skrev 2011-07-25 06:40: > Hi > I have downloaded FMRI data from the Star plus data website given > below this is with .mat extention I want to analyse this data on SPM8. > Kindly help me how I convert this data in .hdr and .img format to > analyse this data on SPM8. > http://www.cs.cmu.edu/afs/cs.cmu.edu/project/theo-81/www/ > > > Muhammad Numan >