Hi Maryam there is implemented by default a 'standard' high pass filter for fMRI see spm_filter.m and related cyril -- Dr Cyril Pernet, Senior Academic Fellow Neuroimaging Sciences Centre for Clinical Brain Sciences Chancellor's Building, Room GU426D The University of Edinburgh 49 Little France Crescent Edinburgh BioQuarter EH16 4SB [log in to unmask] tel: +44 (0)131 465 9530 http://www.sbirc.ed.ac.uk/cyril http://www.ed.ac.uk/edinburgh-imaging <http://www.ed.ac.uk/edinburgh-imaging> ________________________________ From: SPM (Statistical Parametric Mapping) <[log in to unmask]> on behalf of maryam momeni <[log in to unmask]> Sent: 19 January 2019 14:21 To: [log in to unmask] Subject: [SPM] Temporal filtering of fmri signals Hi, I want to do the temporal filtering of fMRI signals in spm, how can I do it in SPM? Thanks in advanced. M.M The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.