If you can get it past the reviewers. It might be better to report the actual significance of the clusters.
doug liang wang wrote: > Hello Doug, > > Thanks for your kind response. I have tried to use mri_glmfit-sim to > correct the results. However, no significant differences were > observed. To compare with other studies, I would like to report the > results (p < 0.001, uncorrected) and mention that they will disappear > if corrected by cluster-based threshold method. Is it a acceptable way? > > Liang > > 2010/7/11 Douglas N Greve <[email protected] > <mailto:[email protected]>> > > You should correct for multiple comparisons using cluster-wise > correction. See the tutorials on group analysis on our wiki. > > doug > > liang wang wrote: > > Hi, > > Using mri_glmfit, I found significant between-group difference > in cortical thickness in some regions. However, there are a > lot regions with very small vertices surviving the given > threshold. What I need to do is displaying large clusters > (e.g. having 20 vertices at least) assumed as "true" > difference. I don't know how to make it by a selected > threshold of cluster size . Any suggestions would be appreciated. > > Liang > > -- > Liang Wang, PhD > Postdoctoral Fellow > Woodward Lab > Department of Psychiatry > University of British Columbia > BC Mental Health & Addiction Services > 938 West 28th Avenue > Vancouver BC V5Z 4H4 > Telephone: 1-604-875-2000 (ext. 4735) > Fax: 1-604-875-3871 > Email: [email protected] <mailto:[email protected]> > <mailto:[email protected] <mailto:[email protected]>> > > ------------------------------------------------------------------------ > > _______________________________________________ > Freesurfer mailing list > [email protected] > <mailto:[email protected]> > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > -- > Douglas N. Greve, Ph.D. > MGH-NMR Center > [email protected] <mailto:[email protected]> > Phone Number: 617-724-2358 Fax: 617-726-7422 > > Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > > > -- > Liang Wang, PhD > Postdoctoral Fellow > Woodward Lab > Department of Psychiatry > University of British Columbia > BC Mental Health & Addiction Services > 938 West 28th Avenue > Vancouver BC V5Z 4H4 > Telephone: 1-604-875-2000 (ext. 4735) > Fax: 1-604-875-3871 > Email: [email protected] <mailto:[email protected]> > ------------------------------------------------------------------------ > > _______________________________________________ > Freesurfer mailing list > [email protected] > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center [email protected] 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 _______________________________________________ Freesurfer mailing list [email protected] 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.
