Dear FreeSurfer Experts,
I ran FreeSurfer 5.1.0 and FreeSurfer 5.2.0 on identical set of 161 subjects,
and I'm interested in rh_superior_temporal_sulcus_thickness in particular.
Previously, the mean thickness is 2.24 mm in 5.1.0; now it is 3.28 mm in 5.2.0.
They are significantly different, t(1
: [Freesurfer] Very different results between 5.1.0 and 5.2.0
Dear FreeSurfer Experts,
I ran FreeSurfer 5.1.0 and FreeSurfer 5.2.0 on identical set of 161 subjects,
and I'm interested in rh_superior_temporal_sulcus_thickness in particular.
Previously, the mean thickness is 2.24 mm in 5.1.0; n
gt;
>- Original Message -
>From: Daniel Yang
>To: freesurfer@nmr.mgh.harvard.edu
>Sent: Mon, 18 Mar 2013 17:44:44 -0400 (EDT)
>Subject: [Freesurfer] Very different results between 5.1.0 and 5.2.0
>
>Dear FreeSurfer Experts,
>
>I ran FreeSurfer 5.1.
hool of Medicine
>>3rd Floor, Room 312
>>3710 Hamilton Walk (Goddard Laboratories)
>>Philadelphia, PA 19104-6241
>>email - rida...@mail.med.upenn.edu
>>
>>
>>----- Original Message -
>>From: Daniel Yang
>>To: freesurfer@nmr.mgh.harvard.edu
>>Sent: Mo
to
>>>1.9 in V1, fs 5.2 is giving me V1 thickness in the range of 2 to 2.3.
>>>
>>>Ritobrato Datta, Ph.D.
>>>Post Doctoral Researcher
>>>Department of Neurology
>>>University of Pennsylvania School of Medicine
>>>3rd Floor, Room 312
; subjects. While fs 5.1 estimated mean thickness in the range of 1.5 to
>>>> 1.9 in V1, fs 5.2 is giving me V1 thickness in the range of 2 to 2.3.
>>>>
>>>> Ritobrato Datta, Ph.D.
>>>> Post Doctoral Researcher
>>>> Department of Neur
in V1, fs 5.2 is giving me V1 thickness in the range of 2 to 2.3.
> >>>
> >>>Ritobrato Datta, Ph.D.
> >>>Post Doctoral Researcher
> >>>Department of Neurology
> >>>University of Pennsylvania School of Medicine
> >>>3rd Floor,
; >>Matt.
> >>
> >>On 3/18/13 5:13 PM, "Ritobrato Datta" wrote:
> >>
> >>>I concur. I have seen similar results in primary visual cortex from ~40
> >>>subjects. While fs 5.1 estimated mean thickness in the range of 1.5 to
> >&
le.edu>>,
"freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>"
mailto:freesurfer@nmr.mgh.harvard.edu>>
Subject: Re: [Freesurfer] Very different results between 5.1.0 and 5.2.0
You'll find attached some pr
esday, April 10, 2013 10:49 AM
> To: Bruce Fischl
> Cc: Daniel Yang , "freesurfer@nmr.mgh.harvard.edu"
>
> Subject: Re: [Freesurfer] Very different results between 5.1.0 and 5.2.0
>
> You'll find attached some preliminary data of the comparison we did
> among versions
Daniel,
We're repeating our paired-analysis of thickness measures between 5.1
and 5.2. In the meantime, to check for correctness, open the
brain.finalsurfs.mgz file with the surfaces overlayed, and check the
intensity value of the voxels which appear to be non-cortical 'black
spaces', relative to
is...@nmr.mgh.harvard.edu>>,
"freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>"
mailto:freesurfer@nmr.mgh.harvard.edu>>
Subject: Re: [Freesurfer] Very different results between 5.1.0 and 5.2.
Thanks Nick! I have uploaded the relevant files to you.
Thanks,
Daniel
--
Yung-Jui "Daniel" Yang, PhD
Postdoctoral Researcher
Yale Child Study Center
New Haven, CT
(203) 737-5454
On 4/10/13 1:19 PM, "Nick Schmansky" wrote:
>Daniel,
>
>We're repeating our paired-analysis of thickness meas
Looking at the image posted previously.
https://yalesurvey.qualtrics.com/SE/?SID=SV_ddwW7I9yMQuCtPn
I think it is pretty clear the 5.1 picture has better gray/white contrast.
It is a very subtle difference, but you can see it if you look at some
pieces of
wm that were "missed" by 5.2 in this
The 5.2 image has been smoothed, by a small degree, relative to 5.1.
Either prior to FS processing or by FS, it would seem.
On Mon, Apr 15, 2013 at 3:29 AM, Christopher Bell <
christopherbell2...@gmail.com> wrote:
> Looking at the image posted previously.
>
> https://yalesurvey.qualtrics.com
>> Daniel
>>
>>
>> --
>> Yung-Jui "Daniel" Yang, PhD
>> Postdoctoral Researcher
>> Yale Child Study Center
>> New Haven, CT
>> (203) 737-5454
>>
>> From: Pedro Paulo de Magalhães Oli
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