Re: [Freesurfer] Head circumference of fsaverage?

2018-09-10 Thread Bruce Fischl
Hi Gladia fsaverage isn't a single subject - it is an average of 40 (and we don't have heard circumference information on them) cheers Bruce On Mon, 10 Sep 2018, Gladia Hotan wrote: External Email - Use Caution Hi, What is the head circumference of the fsaverage subject?

Re: [Freesurfer] Head circumference of fsaverage?

2018-09-10 Thread Douglas N. Greve
fsaverage is an average of 40 subjects, so it does not have a circumference per se. Why do you need it? On 09/10/2018 04:31 PM, Gladia Hotan wrote: > > External Email - Use Caution > > Hi, > > What is the head circumference of the fsaverage subject? > > Thanks and Best, > Gladia > > > ___

[Freesurfer] Head circumference of fsaverage?

2018-09-10 Thread Gladia Hotan
External Email - Use Caution Hi, What is the head circumference of the fsaverage subject? Thanks and Best, Gladia ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer

Re: [Freesurfer] Head circumference

2015-10-26 Thread Aapo Nummenmaa
As a rough approximation, you can fit a sphere to the inner skull surface (created, e.g., by the watershed) as we did in some of the TMS modeling stuff (see, appendix of): http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3790855/ and then scale the result with an approximation of a brain-to-skin dista

Re: [Freesurfer] Head circumference

2015-10-26 Thread Bruce Fischl
you could probably generate a skull model from the BEM surface stuff used in MEG/EEG then find the average radius or something cheers Bruce On Mon, 26 Oct 2015, dgw wrote: > Hi John, > > There is nothing, which I can think of. What do you want the head > circumference for (perhaps we can get yo

Re: [Freesurfer] Head circumference

2015-10-26 Thread dgw
Hi John, There is nothing, which I can think of. What do you want the head circumference for (perhaps we can get you a different measure, which will help)? hth d On Sat, Oct 24, 2015 at 2:22 PM, John Anderson wrote: > Dear FS experts, > I want to inquire if there is any tool or method in Freesu

[Freesurfer] Head circumference

2015-10-24 Thread John Anderson
Dear FS experts, I want to inquire if there is any tool or method in Freesurfer that can help to calculate the head circumference from MPRAGE ? Thanks for any advice!       Bests, John  ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu htt

[Freesurfer] Head circumference

2015-10-23 Thread John Anderson
Dear FS experts, I want to inquire if there is any script in Freesurfer that can help to calculate the head circumference from MPRAGE ? Thanks for any advice!       Bests, John Anderson Senior Research Associate Psychological and Brain Sciences Dept. Dartmouth College, 419 Moore Hall, Hinman