Hi - I think you would probably be best off taking the FIX-cleaned version of the data, and then apply additional confound regressors if they will help. Don't forget to apply the same highpass filter (to those regressors) that was applied already in the data preproc, before you use them.
Cheers. > On 16 Feb 2015, at 13:35, Miriam Klein-Flügge > <miriam.klein-flu...@psy.ox.ac.uk> wrote: > > Dear all, > > Is it correct that until now the physiological monitoring data is not made > use of in the preprocessing of the rfMRI data? I would like to correct for > cardiac and respiratory signals and wondered how to best do that. I can see > that FIX-denoising probably takes care of this type of noise but I am > particularly interested in looking at the brain stem and in my experience, > including physiological regressors in the preprocessing makes a big > difference there. > > Would you recommend using the spatially (minimally) pre-processed rfMRI data, > performing the high-pass filtering on it myself and then incorporating the > physiological regressors at that stage, or is there a better stage at which > to do it? Also, is there a standard procedure for regressing out the > physiological regressors that you can recommend? > > Many thanks in advance! > > Kind regards, > > Miriam > > -- > Miriam Klein-Flügge > Sir Henry Wellcome Postdoctoral Fellow > Department of Experimental Psychology > University of Oxford > > > _______________________________________________ > HCP-Users mailing list > HCP-Users@humanconnectome.org > http://lists.humanconnectome.org/mailman/listinfo/hcp-users > --------------------------------------------------------------------------- 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) st...@fmrib.ox.ac.uk http://www.fmrib.ox.ac.uk/~steve <http://www.fmrib.ox.ac.uk/~steve> --------------------------------------------------------------------------- Stop the cultural destruction of Tibet <http://smithinks.net/> _______________________________________________ HCP-Users mailing list HCP-Users@humanconnectome.org http://lists.humanconnectome.org/mailman/listinfo/hcp-users
