Re: [Freesurfer] Question - multiple comparisons in FS versus SPSS

2017-05-24 Thread Noordermeer, S.D.S.
mei 2017 15:30 To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Question - multiple comparisons in FS versus SPSS I think you're first statement is accurate. On 5/24/17 1:45 AM, Noordermeer, S.D.S. wrote: > Thank you for your answer! I already thought so, but it is good to

Re: [Freesurfer] Question - multiple comparisons in FS versus SPSS

2017-05-24 Thread Douglas Greve
> Van: freesurfer-boun...@nmr.mgh.harvard.edu > [freesurfer-boun...@nmr.mgh.harvard.edu] namens Douglas N Greve > [gr...@nmr.mgh.harvard.edu] > Verzonden: woensdag 24 mei 2017 0:05 > Aan: freesurfer@nmr.mgh.harvard.edu > Onderwerp: Re: [Freesurfer] Question - multip

Re: [Freesurfer] Question - multiple comparisons in FS versus SPSS

2017-05-23 Thread Noordermeer, S.D.S.
@nmr.mgh.harvard.edu Onderwerp: Re: [Freesurfer] Question - multiple comparisons in FS versus SPSS The ROI vs voxel-wise differences can come from a lot of places. When you do an ROI analysis, you get a lot of averaging so the noise can be expected to be much less than voxel-wise. If your effect is large

Re: [Freesurfer] Question - multiple comparisons in FS versus SPSS

2017-05-23 Thread Douglas N Greve
t which add up for the region to a larger > (significant) difference? > > Thank you again! > > Best, > > Siri > > *From:*Elijah [mailto:elijah...@gmail.com] *On Behalf Of *Elijah Mak > *Sent:* dinsdag 23 mei 2017 11:52 > *To:* Freesurfer support list; Noordermeer,

Re: [Freesurfer] Question - multiple comparisons in FS versus SPSS

2017-05-23 Thread Noordermeer, S.D.S.
support list; Noordermeer, S.D.S. Subject: Re: [Freesurfer] Question - multiple comparisons in FS versus SPSS Hi Siri, Are you trying to overlay the p value associated with each region on the fsaverage surface? This may help: http://www.mail-archive.com/freesurfer@nmr.mgh.harvard.edu/msg50465.html

Re: [Freesurfer] Question - multiple comparisons in FS versus SPSS

2017-05-23 Thread Elijah Mak
] Question - multiple comparisons in FS versus SPSS   Hi there! I was hoping you could help me with the following 'problem' I am experiencing.   Short background:  I compared volumetric brain characteristics as output from FreeSurfer parcellations and segmentations between 3 groups, by

Re: [Freesurfer] Question - multiple comparisons in FS versus SPSS

2017-05-23 Thread Noordermeer, S.D.S.
Sent: zaterdag 13 mei 2017 22:22 To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] Question - multiple comparisons in FS versus SPSS Hi there! I was hoping you could help me with the following 'problem' I am experiencing. Short background: I compared volumetric brain characteristics

[Freesurfer] Question - multiple comparisons in FS versus SPSS

2017-05-13 Thread Noordermeer, S.D.S.
Hi there! I was hoping you could help me with the following 'problem' I am experiencing. Short background: I compared volumetric brain characteristics as output from FreeSurfer parcellations and segmentations between 3 groups, by extracting the volumes per anatomical label from FreeSurfer and a