Dr. Stephan has kindly provided a "stripped" binary mask for the N2K macaque templates for those who require an image in this format for registration or statistical analysis. It is available at http://purl.org/net/kbmd/n2k following the link to download, then finding the n2k / SPM / mask link. Kevin J. Black, M.D. On 01 Oct 2001 Klaas Enno Stephan wrote: > Dear Kevin, > ... > > I have now finally found some time to compute a "stripped" version of your > atlas brain (i.e. without skull, muscles, etc.) as an image in SPM format. > It has been computed by SPM's ImCalc function, using the equation > > i1.*(i2>0) > > with i1=n2k.img and i2=n2ktightmask.img (note that the dot in the equation > is essential for giving the right result: in MATLAB it means "multiply > corresponding elements of the two image vectors"). > > I have attached the image so that you could put it on your web site of you > think that others find it useful. > > Best wishes, > Klaas