Hi Doug,
I have two groups of subjects and I want to study the difference in cortical
thickness between the groups. I used Qdec to run the analysis and I got
significant difference between the groups in areas support what I am looking
for.
I repeated the analysis as mentioned in Wiki
https://su
what is your mri_glmfit-sim command line? Try running it with --cwp 1 to
get all clusters regardless of their p-value
doug
On 01/23/2015 04:01 PM, Hirsch, Gabriella wrote:
>
> Hi freesurfer experts,
>
> I have a question I was hoping someone could help me with;
>
> I am currently analysing the co
Hi freesurfer experts,
I have a question I was hoping someone could help me with;
I am currently analysing the cortical thickness of two subject populations
(patient and control) using the group analysis tutorial
(https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/GroupAnalysisDng).
However, wh
Hi Xin-Fa
there are tutorials on our website for doing the individual analyses, then
when they are done doing a group thickness study:
http://surfer.nmr.mgh.harvard.edu/fswiki/Tutorials
cheers
Bruce
On Sat, 30 Aug 2014, Xinfa Shi wrote:
Hi ,
I want to make a cortical thickness analysis ,a
Hi ,
I want to make a cortical thickness analysis ,and could you provide me for
a user guide or tool ?
Regards.
Xin-Fa Shi.
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The in
is.
>>
>> Chris
>> __**__
>> From:
>> freesurfer-boun...@nmr.mgh.**harvard.edu[
>> freesurfer-boun...@nmr.mgh.**harvard.edu]
>> on behalf of Bruce Fischl [fis...@nmr.mgh.harvard.edu]
>> Sent: Monday, February 18, 2013 1
.edu] on behalf of Bruce Fischl
> [fis...@nmr.mgh.harvard.edu]
> Sent: Monday, February 18, 2013 10:59 AM
> To: Jorge Jovicich
> Cc: Sinead Kelly; freesurfer@nmr.mgh.harvard.edu
> Subject: Re: [Freesurfer] Cortical thickness analysis on data acquired from
> multiple sites
>
> Hi
h running the
combined analysis.
Chris
From: freesurfer-boun...@nmr.mgh.harvard.edu
[freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Bruce Fischl
[fis...@nmr.mgh.harvard.edu]
Sent: Monday, February 18, 2013 10:59 AM
To: Jorge Jovicich
Cc: Sinead Kelly; freesurfer@nmr.mgh.harvar
Hi Sinead
I agree with Jorge - there is bound to be a substantial scanner effect. You
might be better off keeping the data separate and treating the 3T as a
confirmatory study.
cheers
Bruce
On
Mon, 18 Feb 2013, Jorge Jovicich wrote:
> Dear Sinead,
>
> we found global significant difference
Dear Sinead,
we found global significant differences in thickness between 1.5T and
3T, in a group of subjects that was scanned at both scanners
(http://www.ncbi.nlm.nih.gov/pubmed/16651008). I think that nothing
stops you from doing the analysis, but maybe model in a field effect to
asset it i
Dear members,
I would like to get your opinion on this issue - I have a dataset of over
400 subjects but under half of this data was acquired on a 1.5T scanner and
the rest was acquired on a 3T scanner. Would it be acceptable to conduct
cortical thickness analysis on the combined dataset? From rea
Hi Sinead,
sure, just give recon-all the .nii as input with -i instead of the
dicoms and you should be all set.
cheers
Bruce
On Wed, 16 Jan 2013, Sinead Kelly wrote:
> Dear members,
>
> I am new to Freesurfer and to cortical thickness analysis so I would
> like to ask a very basic question th
Dear members,
I am new to Freesurfer and to cortical thickness analysis so I would
like to ask a very basic question that I cannot find the answer to
online - is it possible to conduct cortical thickness analysis using
T1 files in *.nii format?
--
Sinead Kelly
Neuropsychiatric Genetics Group
Tri
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