Dear RB, This should be answered in your other thread. Kind Regards Matthew -------------------------------- Dr Matthew Webster FMRIB Centre John Radcliffe Hospital University of Oxford On 17 Jun 2019, at 02:57, Ramesh Babu <[log in to unmask]<mailto:[log in to unmask]>> wrote: Dear Expert, I am doing VBM analysis and I need to create several masks. Are there any limitations to creating masks? If there are more than five masks, for example in the frontal region, should I create a union of mask or separate mask? Please let me know. Thanks in advance RB ________________________________ To unsubscribe from the FSL list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1 ######################################################################## To unsubscribe from the FSL list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1