Hi Doug, thanks for the input. What I meant is that in version 5.1, mkanalysis-sess does not seem to recognize the -taumax flag to set the maximum delay for the autocorrelation function. Caspar
2012/11/26 Douglas N Greve <gr...@nmr.mgh.harvard.edu>: > > > On 11/26/2012 02:12 PM, Caspar M. Schwiedrzik wrote: >> >> Hi Doug, >> I'll do that. >> Two quick follow-up questions regarding 5.1: >> - it seems that I cannot specify taumax anymore in mkanalysis-sess. Is >> there another argument that would allow me to set the autocorrelation? > > What do you mean by "set the autocorrelation"? You can turn it off with > -no-whiten. > >> - in a block design, would refeventduration be the block length or the >> length of the individual events within a block? > > The block length. This will not change the p-values, only percent signal > change values (often not even looked at). > doug > >> Thanks, >> Caspar >> >> 2012/11/26 Douglas N Greve<gr...@nmr.mgh.harvard.edu>: >>> >>> Hi Caspar, I think I fixed this in later versions. If you upgrade, you >>> can run the stats from 5.1 with recons from 4.5 (just don't mix recons >>> from different versions). >>> doug >>> >>> On 11/26/2012 01:15 PM, Caspar M. Schwiedrzik wrote: >>>> >>>> Hi! >>>> I ran into a funny problem when calculating contrasts in Freesurfer >>>> 4.5.0. >>>> Namely, the center of my cluster of significant voxels has a p-value >>>> of -0.0, resulting in a funny whole where you would otherwise expect >>>> to find the most significant voxel(s). >>>> It seems that the p-value is too small. Is there a workaround available? >>>> Thank you very much, >>>> Caspar >>>> _______________________________________________ >>>> Freesurfer mailing list >>>> Freesurfer@nmr.mgh.harvard.edu >>>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer >>>> >>>> >>> -- >>> Douglas N. Greve, Ph.D. >>> MGH-NMR Center >>> gr...@nmr.mgh.harvard.edu >>> Phone Number: 617-724-2358 >>> Fax: 617-726-7422 >>> >>> Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting >>> FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html >>> Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ >>> >>> _______________________________________________ >>> Freesurfer mailing list >>> Freesurfer@nmr.mgh.harvard.edu >>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer >>> >>> >>> The information in this e-mail is intended only for the person to whom it >>> is >>> addressed. If you believe this e-mail was sent to you in error and the >>> e-mail >>> contains patient information, please contact the Partners Compliance >>> HelpLine at >>> http://www.partners.org/complianceline . If the e-mail was sent to you in >>> error >>> but does not contain patient information, please contact the sender and >>> properly >>> dispose of the e-mail. >>> >> > > -- > Douglas N. Greve, Ph.D. > MGH-NMR Center > gr...@nmr.mgh.harvard.edu > Phone Number: 617-724-2358 > Fax: 617-726-7422 > > Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting > FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html > Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer