Freesurfer

freesurfer@nmr.mgh.harvard.edu

3 participants
30135 discussions

Re: [Freesurfer] extracting mean thickness values across subjects from qdec clusters
by Douglas N Greve 02 Apr '14

02 Apr '14

Did you look at the mri_glmfit-sim --help yet? On 04/01/2014 04:42 PM, Tudor Popescu wrote: > Sorry I know that our questions often have an answer in the > documentation, but this case does not seem straightforward. I ran the > following command > mri_glmfit-sim --glmdir > /media/math/all38subj/qdec/A2SepGroup_C_DODS_lgi_lh --cache 1.3 > --sim-sign abs > ..from either $SUBJECTS_DIR, the qdec folder, and the design name > folder - but in all cases I get errors such as "Flag abs unrecognized." > > I assume glmdir is the folder that QDEC creates with the DesignName > that I set. > > Doing this from qdec would be easier so hopefully there is a way to do > that instead. > Thanks! > > > On 1 April 2014 22:25, Tudor Popescu <tudor3(a)gmail.com > <mailto:tudor3@gmail.com>> wrote: > > Thanks Doug. I found older threads where you advise that > csdbase.y.ocn.dat can also be produced by running the simulation > from QDEC, but I didn't see any options for that in QDEC 1.5 (FS > 5.3.0), after selecting my contrast and running the correction - > how can this be done? > Thanks! > > > On 1 April 2014 20:37, Douglas N Greve <greve(a)nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> wrote: > > > Yes, run mri_glmfit-sim from the command line > doug > > > On 04/01/2014 02:26 PM, Tudor Popescu wrote: > > Hi Doug > > Apologies to insist, I just wasn't sure whether you'd seen > my reply. To recap, qdec only used mri_glmfit (not > mri_glmfit-sim) in my case, so I don/t have any *y.ocn* > files. Can I still extract values from my clusters? > Many thanks again > Tudor > > > On 31 March 2014 21:08, Tudor Popescu <tudor3(a)gmail.com > <mailto:tudor3@gmail.com> <mailto:tudor3@gmail.com > <mailto:tudor3@gmail.com>>> wrote: > > Looking in the command window, qdec seems to only produce > mri_glmfit (but not mri_glmfit-sim) commands, which is > probably > why the file you mention is not being produced in my case > > > On 31 March 2014 20:55, Douglas N Greve > <greve(a)nmr.mgh.harvard.edu <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> wrote: > > > That is weird. the easiest thing is to just run > mri_glmfit-sim > using the > same parameters as qdec is using. You can probably > even get the > command-line from the terminal window > doug > > On 03/31/2014 02:39 PM, Tudor Popescu wrote: > > Yes, in qdec I selected .05 for Monte-Carlo > Null-Z and ran the > > correction, which created the mc-z.abs.th13.* > files (but no > y.ocn). I > > repeated the analysis just now - same result. > > > > > > On 31 March 2014 20:13, Douglas N Greve > <greve(a)nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>> wrote: > > > > > > And did you run the clusterwise correction > for multiple > comparisons? > > Either from qdec or with mri_glmfit-sim? > That y.ocn file > should be > > there > > > > On 03/31/2014 02:02 PM, Tudor Popescu wrote: > > > 5.3.0 > > > > > > > > > On 31 March 2014 19:07, Douglas N Greve > > <greve(a)nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>>> wrote: > > > > > > > > > what version of FS are you running > > > > > > > > > On 03/31/2014 12:48 PM, Tudor Popescu > wrote: > > > > Hi Doug > > > > > > > > The only OCN files I have in my qdec > correlation > contrast > > folder > > > > (after having run the MC-Z > correction) are > > > mc-z.abs.th13.sig.ocn.annot > > > > and mc-z.abs.th13.sig.ocn.mgh. > > > > > > > > How should I obtain > mc-z.abs.th13.y.ocn.dat, and > what command > > > (if not > > > > mri_glmfit-sim) should I use on it > in order to > extract values > > > from the > > > > two clusters? > > > > > > > > > > > > > > > > On 31 March 2014 18:35, Douglas N Greve > > > <greve(a)nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>> > > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>>>> wrote: > > > > > > > > > > > > The file you are looking for > should be > something like > > > > mc-z.abs.th13.y.ocn.dat > > > > you dont need to run > mri_glmfit-sim again > > > > > > > > On 03/31/2014 12:25 PM, Tudor > Popescu wrote: > > > > > Thanks Doug, > > > > > Presumably that file is > mc-z.abs.th13.pdf.dat, which > > gets > > > created > > > > > after running the null-z > correction. > > > > > Based on the --help and on a > previous thread > > > > > > > > > > > > > > > <https://www.mail-archive.com/freesurfer@nmr.mgh.harvard.edu/msg34602.html>, > > > > > I gathered it's this command > that I need: > > > > > mri_glmfit-sim --glmdir > mc-z.abs.th13.pdf.dat > > > --cache 1.3 > > > > > --sim-sign abs > > > > > I ran it from the SUBJECTS_DIR > folder, the > design folder > > > or the > > > > > contrast folder > (lh-Avg-pial_thickness-score-Cor), > > but in all > > > > cases it > > > > > says "ERROR: cannot find > mc-z.abs.th13.pdf.dat" > > > > > Is this really the command I > need to > simply extract the > > > values from > > > > > the 2 clusters found in the > analysis? > > > > > THanks again > > > > > Tudor > > > > > > > > > > > > > > > On 31 March 2014 17:44, > Douglas N Greve > > > > <greve(a)nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>> > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>>> > > > > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>> > > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>>>>> wrote: > > > > > > > > > > > > > > > If you ran the clusterwise > correction, > then > > there will > > > be an > > > > > output file > > > > > with the data you want already > there. Run > > mri_glmfit-sim > > > > --help to get > > > > > more info > > > > > doug > > > > > > > > > > On 03/31/2014 11:28 AM, Tudor > Popescu > wrote: > > > > > > Dear Freesurfer experts, > > > > > > > > > > > > After a qdec contrast that asked > where does > > thickness > > > > correlate with > > > > > > behavioural score, I got 2 > significant > > clusters, and > > > I would > > > > > like, for > > > > > > each of these clusters, to > have a > list of > > extracted > > > average > > > > > thickness > > > > > > values (across the entire > cluster), > for each > > subject > > > that > > > > I can then > > > > > > plot externally against the > score > values. > > > > > > > > > > > > I tried applying answers to > previous > similar > > > questions with no > > > > > > success; some of them > suggested using > > mri_segstats, > > > > however I'm not > > > > > > very clear on how annotation > files > are to be used > > > (I've only > > > > > used the > > > > > > QDEC GUI), and I wasn't able > to work > out the > > syntax > > > that would > > > > > give me > > > > > > what I wanted (assuming > mri_segstats > is in > > fact the > > > command to > > > > > be used) > > > > > > > > > > > > Thanks for any help! > > > > > > > > > > > > Best wishes, > > > > > > Tudor > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > > Freesurfer mailing list > > > > > > > Freesurfer(a)nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>> > > > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>>> > > > > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>> > > > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>>>> > > > > > > > > > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > > > > > > > -- > > > > > Douglas N. Greve, Ph.D. > > > > > MGH-NMR Center > > > > > greve(a)nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>> > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>>> > > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>> > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>>>> > > > > > 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> > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > > > > > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > > > FileDrop: > https://gate.nmr.mgh.harvard.edu/filedrop2 > > > > > > www.nmr.mgh.harvard.edu/facility/filedrop/index.html > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > > > > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > > > > > > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > > > Outgoing: > > > > > > > > ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ > > > > > > > > > > > _______________________________________________ > > > > > Freesurfer mailing list > > > > > Freesurfer(a)nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>> > > > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>>> > > > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>> > > > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto: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. > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > Freesurfer mailing list > > > > > Freesurfer(a)nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>> > > > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>>> > > > > > > > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > > > > > -- > > > > Douglas N. Greve, Ph.D. > > > > MGH-NMR Center > > > > greve(a)nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>> > > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>>> > > > > 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> > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > > FileDrop: > https://gate.nmr.mgh.harvard.edu/filedrop2 > > > > > www.nmr.mgh.harvard.edu/facility/filedrop/index.html > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > > > > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > > Outgoing: > > > > > ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ > > > > > > > > > _______________________________________________ > > > > Freesurfer mailing list > > > > Freesurfer(a)nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>>> > > > > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > Freesurfer mailing list > > > > Freesurfer(a)nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>> > > > > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > > > -- > > > Douglas N. Greve, Ph.D. > > > MGH-NMR Center > > > greve(a)nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>>> > > > 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> > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > FileDrop: > https://gate.nmr.mgh.harvard.edu/filedrop2 > > > > www.nmr.mgh.harvard.edu/facility/filedrop/index.html > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > Outgoing: > > > > ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ > > > > > > > _______________________________________________ > > > Freesurfer mailing list > > > Freesurfer(a)nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>>> > > > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > > > > > > > > > > > > > _______________________________________________ > > > Freesurfer mailing list > > > Freesurfer(a)nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > -- > > Douglas N. Greve, Ph.D. > > MGH-NMR Center > > greve(a)nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>>> > > 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> > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > > FileDrop: > https://gate.nmr.mgh.harvard.edu/filedrop2 > > > www.nmr.mgh.harvard.edu/facility/filedrop/index.html > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > Outgoing: > > > ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ > > > > _______________________________________________ > > Freesurfer mailing list > > Freesurfer(a)nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>>> > > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > > > > > > > _______________________________________________ > > Freesurfer mailing list > > Freesurfer(a)nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > -- > Douglas N. Greve, Ph.D. > MGH-NMR Center > greve(a)nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu> > <mailto:greve@nmr.mgh.harvard.edu > <mailto:greve@nmr.mgh.harvard.edu>> > 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> > > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 > www.nmr.mgh.harvard.edu/facility/filedrop/index.html > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > Outgoing: > ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ > > _______________________________________________ > Freesurfer mailing list > Freesurfer(a)nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > > -- > Douglas N. Greve, Ph.D. > MGH-NMR Center > greve(a)nmr.mgh.harvard.edu <mailto:greve@nmr.mgh.harvard.edu> > 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: https://gate.nmr.mgh.harvard.edu/filedrop2 > www.nmr.mgh.harvard.edu/facility/filedrop/index.html > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > Outgoing: > ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ > > > -- Douglas N. Greve, Ph.D. MGH-NMR Center greve(a)nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/

2 5

Cortical thickness measurement using Freesurfer v 5.3
by Saurabh Thakur 02 Apr '14

02 Apr '14

Hello Freesurfer Expert, I am trying for measurement of cortical thickness using Freesurfer v5.3. I have getting values for cortical thickness, surface area and gray matter volume using stats/rh.aparc.a2009.stats file. But i am looking for general value for entire Frontal,Temporal, parietal and occipital lobe, and not very specific region wise value. Is is possible to get avg thickness value for all lobes? and If possible how to get that..? Thanks in advanced, Saurabh Thakur,

1 1

mri_glmfit question
by Govindarajan, Koushik Athreya 01 Apr '14

01 Apr '14

Dear all, I am trying to run a group analysis between 2 groups of subjects. I did the mris_preproc and mri_surf2surf steps. When I set up my mri_glmfit, the end of the output is: Reshaping mriglm->mask... search space = 74485.691578 DOF = 1344 Starting fit and test Fit completed in 0.481417 minutes Computing spatial AR1 on surface Residual: ar1mn=0.996928, ar1std=0.000586, gstd=7.275170, fwhm=17.131715 Writing results wholegrp_contrast maxvox sig=1e+10 F=33202.6 at index 0 0 0 seed=1396057719 mri_glmfit done Now, from past experience, I know that the search space I get here is large. Why does my maxvox sig say infinite? Am I missing something? Has this happened to others? Thanks Koushik

2 3

Questions aobut using monte carlo sim in Qdec
by Ashley Shurick 01 Apr '14

01 Apr '14

Hi, I have some questions about using monte carlo sim in qdec: First of all, I just want to verify it's ok to use the simulation with a whole-brain analysis and not just an ROI analysis. Second, I'm a bit confused about how to calculate the p-threshold for my max clusters. Looking here: http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/GroupAnalysisClusterSum… tells me how to calculate the p-value of my clusters, but according to the page, max = -log(base10) (pvalue). The example given is the 13th cluster where max = -5.981, and the stated p value is p < .006. I can't figure out how you came up with this p-value, can you please clarify your calculations? Finally, in qdec when I change my "threshold" from say 1.3 (.05) to 2.0 (.01) I notice the CW Pvalue threshold doesn't change in the terminal output, and remains at .05. Can you please explain this? What exactly am I changing when I change the "threshold" in qdec? Thank you in advance for your assistance, Ashley -- Ashley A. Shurick Ph.D. Candidate Department of Psychology Stanford University

3 4

question about running a post-hoc group analysis
by Terri Scott 01 Apr '14

01 Apr '14

Hello, I'm working with a data set which has been analyzed entirely in the subjects' native spaces in Freesurfer, but now I would like to run a group analysis on the data. Is it necessary to re-run the preprocessing and contrasts in normalized space, or is there a small set of files that are looked for by the group analysis scripts (isxconcat-sess?) that I might be able to register to mni305 space and run the group analysis from there? Thanks! Terri

2 1

Pial surface error
by Eleanor Stahura 01 Apr '14

01 Apr '14

> > Hello, > > During a visual check of recon-all output, I found an error in the pial > surface. As you can see in the attached screenshot, a portion of the left > pial surface extends past the right hemisphere and into non-brain space. > Looking at the coronal and sagittal views, I can see a hole where pial > surface is identified where no pial surface should be. I don't see any > problems in the white matter volume or unusual voxels in the brainmask. How > do I fix this? > > Thanks >

2 1

Gray to White Matter Intensity Ratio
by N. Medic 01 Apr '14

01 Apr '14

Dear FreeSurfers, The pctsurfcon calculates the contrast between the white and gray matter using the formula below and saves the output in the ?h.w-g.pct.mgh file, which can be used for analysis. 100*(W-G) pct = --------- 0.5*(W+G) However, I would like to get separate measures of white and gray matter intensity, as well as a ratio of gray to white matter (as in the Salat 2009 and 2011 Neuroimage papers). How can this be done? Your help will be greatly appreciated Nenad

2 4

FWHM in mri_glmfit-sim
by Mariam Sood 01 Apr '14

01 Apr '14

Hi Doug, I have a few queries regarding FWHM used in multiple comparisons correction program mri_glmfit-sim My data at present is analysed in FSL & Freesurfer following the procedure in the link http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/FslFeatFreeSurfer. No volume based smoothing at single subject level (in FSL) is done at the moment, and a 4 mm surface level smoothing was applied during mris_preproc stage. 1. I have noticed that mri_glmfit computed a FWHM of 8.578114 using residuals. How exactly is this value computed? 2. I understand that the cached simulation used in mri_glmfit-sim is selected based on the above computed smoothness value. Is this fine, or should I override? If I also smooth the data at the single subject level on the volume (in FSL), can I still follow the above process? Many thanks, Mariam.

2 4

displaying annotations on inflated brain in freeview
by Laura Taylor 01 Apr '14

01 Apr '14

Hi, I'm having trouble displaying annotations on inflated brains in freeview. I have loaded and selected the inflated surface and annotation for that subject, but nothing shows up on the brain. I have had no trouble displaying annotations on the pial surface of the brain. Thank you for your time, Laura

1 0

Freesurfer version after 5.3.0 from May 2013?
by Janosch Linkersdörfer 01 Apr '14

01 Apr '14

Hi all, I am a little confused about what the latest Freesurfer version is. I thought that v5.3.0 from May 15, 2013 would be the latest, but today I saw in the Tracula update list that there is apparently a version from December 9, 2013. Could you please clear that up for me? Thanks, Janosch

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