The -spmhrf 1 and 2 should have had additional frame in the beta.nii.gz. Is that what you are looking at?
On 6/3/2022 4:51 AM, Laura Doll wrote: > External Email - Use Caution > > Okay, thanks. > But how can I find out the influence of the derivatives used? > I also tried to check the beta.nii.gz files for three different versions of > the analysis (-spmhrf 0 1 and 2), assuming that the weights for the > derivatives might be saved as additional dimensions, but the dimensions were > the same for all (163842x1x1x10). > > I feel like I am missing something here, or maybe there is some mistake in my > analysis? > This is what I used: > > mkanalysis-sess -fsd bold -stc siemens -surface fsaverage lh -fwhm 5 -notask > -spmhrf 0 -TR 2 -polyfit 2 -analysis Test0.lh -per-run -taskreg PupAvg 1 > > selxavg3-sess -s S05 -analysis Test0.lh > > And Test1/2 with -spmhrf 1/2, respectively. > > Thanks in Advance! > > Laura > > > Am Mittwoch, 01. Juni 2022 16:50 CEST, "Douglas N. Greve" > <dgr...@mgh.harvard.edu> schrieb: > >> It uses the default parameters: >> tau1 = 1; >> tau2 = 1; >> ttp1 = 5*tau1; % 6 % >> ttp2 = 15*tau1; % 16 % >> c = 1/6; >> >> >> >> On 6/1/2022 4:27 AM, Laura Doll wrote: >>> External Email - Use Caution >>> >>> Hi Doug, >>> >>> Thanks for your hint where to find the actual function. >>> But how can I find which values were used in my analysis? I.e. the input to >>> this function? >>> >>> Best, >>> Laura >>> >>> Am Dienstag, 31. Mai 2022 17:19 CEST, "Douglas N. Greve" >>> <dgr...@mgh.harvard.edu> schrieb: >>> >>>> Look here $FREESURFER/fsfast/toolbox/fast_spmhrf.m >>>> >>>> On 5/25/2022 9:19 AM, Laura Doll wrote: >>>>> External Email - Use Caution >>>>> >>>>> Hi everyone, >>>>> >>>>> I need some help regarding the SPM-HRF with two derivatives: >>>>> Where can I find the actual function that was used for the analysis? 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