No, but around 280secs should still be fine. Andreas ________________________________________ Von: FSL - FMRIB's Software Library [[log in to unmask]] im Auftrag von Reem Jan [[log in to unmask]] Gesendet: Mittwoch, 22. September 2010 23:50 An: [log in to unmask] Betreff: [FSL] Cutoffcalc query Dear FSLers Using the cutoffcalc command, my high-pass filter cutoff was calculated to be 306 Is that too high? My design is as follows: OFF (16s) - Condition 1 (40s) - OFF (16s) - Condition 2 (40s) - OFF (16s) - Condition 3 (40s) - OFF (16s) - Condition 3 (40s) - OFF (16s) - Condition 2 (40s) - OFF (16s) - Condition 1 (40s) - OFF (16s) i.e. total = 352 seconds. Many thanks for your help Cheers Reem __________ Information from ESET NOD32 Antivirus, version of virus signature database 5471 (20100922) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com