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 greve@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 Grevegreve@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 greve@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422
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-- Douglas N. Greve, Ph.D. MGH-NMR Center greve@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/