Re: [Freesurfer] Label sizes, min ROI size
Dear Doug, Thank you for your reply! The command results in ERROR: Option --slabel unknown. I could not figure it out from the options descriptions with other option i could use, so i need some help again... Cheers thank you! Aga On 9/14/09 7:48 PM, Douglas N Greve gr...@nmr.mgh.harvard.edu wrote: Try something like this mri_segstats --slabel fsaverage lh path/to/lh.yourlabel.label --sum lh.yourlabel.sum The 4th column of the summary file will have the Area in mm^2 doug Agnieszka Burzynska wrote: Dear experts, I have 2 questions: 1) I created labels for some ROIs on fsavgerage (qdec analysis). I got statistics from these rois for each individual subject (by map-to-subjects, etc.), but what I am now interested in is to know the size of the ROI on the group level (so on the fsaverage surface). Following up on the recent post, I tried 'mris_curvature_stats' but it gives error if I dont specify the subject. I am not to familiar with different commands, perhaps there is another one that would work? 2) Is there any golden standard for the minimum p-value or minimum size of an ROI to be considered a significant finding? I expect this may differ quite a lot, depending on how strong the effects of a variable on cortical thickness can be expected. Still, if you could comment on this or refer me to some literature, I would be very grateful. Thank you a lot! Best regards, Aga ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
[Freesurfer] Label sizes, min ROI size
Dear experts, I have 2 questions: 1) I created labels for some ROIs on fsavgerage (qdec analysis). I got statistics from these rois for each individual subject (by map-to-subjects, etc.), but what I am now interested in is to know the size of the ROI on the group level (so on the fsaverage surface). Following up on the recent post, I tried 'mris_curvature_stats' but it gives error if I dont specify the subject. I am not to familiar with different commands, perhaps there is another one that would work? 2) Is there any golden standard for the minimum p-value or minimum size of an ROI to be considered a significant finding? I expect this may differ quite a lot, depending on how strong the effects of a variable on cortical thickness can be expected. Still, if you could comment on this or refer me to some literature, I would be very grateful. Thank you a lot! Best regards, Aga ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
Re: [Freesurfer] Label sizes, min ROI size
Try something like this mri_segstats --slabel fsaverage lh path/to/lh.yourlabel.label --sum lh.yourlabel.sum The 4th column of the summary file will have the Area in mm^2 doug Agnieszka Burzynska wrote: Dear experts, I have 2 questions: 1) I created labels for some ROIs on fsavgerage (qdec analysis). I got statistics from these rois for each individual subject (by map-to-subjects, etc.), but what I am now interested in is to know the size of the ROI on the group level (so on the fsaverage surface). Following up on the recent post, I tried 'mris_curvature_stats' but it gives error if I dont specify the subject. I am not to familiar with different commands, perhaps there is another one that would work? 2) Is there any golden standard for the minimum p-value or minimum size of an ROI to be considered a significant finding? I expect this may differ quite a lot, depending on how strong the effects of a variable on cortical thickness can be expected. Still, if you could comment on this or refer me to some literature, I would be very grateful. Thank you a lot! Best regards, Aga ___ 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 In order to help us help you, please follow the steps in: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
