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Hi On 30 Mar 2010, at 16:10, Jessica Kirkland Caldwell wrote: > Hi all, > > I am currently trying to determine if I can use featquery to > calculate % signal change for my event-related design. I have read > Jeanette Mumford's helpful guide, which states that featquery works > fine for event related designs where events are not dense. I am > guessing that I likely need to use the manual PSC calculation, but > figured it was worth asking...how dense is dense? The peristimulus windowing (for peristimulus data combining / averaging) basically only gives clean output if the events are not badly overlapping - e.g. more than 15s is pretty good. > > Also, and this might be a basic question, but I haven't found the > answer on the list yet...does anyone have any tips on where to find > a guide/how to easily run the simulation to calculate my baseline to > max range value? ? Not sure what this question means ? Cheers. > > Thanks as always for the assistance, > > Jessica --------------------------------------------------------------------------- Stephen M. Smith, Professor of Biomedical Engineering Associate Director, Oxford University FMRIB Centre FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~steve ---------------------------------------------------------------------------