Thanks Doug, After re-watching these tutorial videos, I think I've understood these questions. Really appreciated for your answer.
Regards *-------------* Mr Xianwei Che PhD Candidate Monash Alfred Psychiatry Research Centre (MAPrc) Central Clinical School & the Alfred Monash University Level 4, 607 St Kilda Road, Melbourne 3004, Australia On 4 September 2017 at 09:04, Douglas Greve <gr...@nmr.mgh.harvard.edu> wrote: > > > On 8/27/17 4:35 AM, Xianwei Che wrote: > > Dear freesurfer experts, > > I am wring to ask a stupid question, which I did not find the answer in > the mailing list. > > I am going to run stats on the thickness data as described in the > tutorial, do I have to run separately for each hemisphere? If I am not > wrong, we have to specify the hemi in the data assembling stage. Are we > able to run once for both hemis in the glm and correction stage? > > When you run recon-all, it will processes both hemis. After that, eg, > mris_preproc, you must specify the hemi > > > If not, I am a little confused in the correction stage, which we specify > the --2spaces in the simulation. As indicated in the tutorial, this is for > adjusting p for both hemis. > > Right, if you are eventually going to analyze both hemis, then you need to > correct for multiple comparisons across both hemispheres. > > > Another question is about subcortical areas. Do we have to run stats for > the cortical and subcortical areas separately? > > Do you mean an ROI volume or surface area analysis? Then, yes. > > > Thanks > > *-------------* > Mr Xianwei Che > PhD Candidate > Monash Alfred Psychiatry Research Centre (MAPrc) > Central Clinical School & the Alfred > Monash University > Level 4, 607 St Kilda Road, Melbourne 3004, Australia > > > _______________________________________________ > Freesurfer mailing > listfreesur...@nmr.mgh.harvard.eduhttps://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 > > > 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. > >
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