Hi Torben, Thank you for your suggestion. I think it is a good compromise because in this case for example, 1 3 5 which should be offset by zero (because its acquired simultaneously) but will be offset by TR/15 (using default SPM). Indeed for TRs < 1s, this would be negligible. Cheers, Rajat Rajat Mani Thomas Social Brain Lab Netherlands Institute for Neuroscience Amsterdam ________________________________ From: Torben Lund <[log in to unmask]> Sent: 02 June 2014 11:48 To: Rajat Thomas Cc: spm Parametric Mapping) Subject: Re: [SPM] Multiband Slice timing Hi Rajat This is a wild guess which I have not testet, but have you tried a sliceorder vector which reflects the situation e.g. with 15 slices and multislice acceleration of 3 [1 3 5 2 4 1 3 5 2 4 1 3 5 2 4 ] Best Torben Torben Ellegaard Lund Associate Professor, PhD Center of Functionally Integrative Neuroscience (CFIN) Aarhus University Aarhus University Hospital Building 10G, 5th floor, room 31 Noerrebrogade 44 8000 Aarhus C Denmark Phone: +45 7846 4380 Fax: +45 7846 4400 http://www.cfin.au.dk<http://www.cfin.au.dk/> [log in to unmask]<mailto:[log in to unmask]> Den Uge:23 02/06/2014 kl. 11.08 skrev Rajat Thomas <[log in to unmask]<mailto:[log in to unmask]>>: ?Dear SPMers, Any suggestion on how to perform multiband slice timing in SPM? Thanks. Rajat Rajat Mani Thomas Social Brain Lab Netherlands Institute for Neuroscience Amsterdam