Is that the only (relatively convenient) way to get this data? I'm
not sure if we're ready to start reprocessing all of our subjects.
I noticed that the selxavg-sess command had a "-svsnr" argument for
"save estimate of SNR to analysis/estsnr". Would this give me the
relevant data? My main concern is that I used "selxavg3-sess" instead
of "selxavg-sess" during processing; I'm not sure what the difference
between the two is, and I am hesitant to use a different command that
might change other aspects of our data.
-Adam
> yep, stable 5
>
> doug
>
> Adam Nitenson wrote:
>> Hi Doug,
>>
>> Is the fsnr.dat a Stable 5 feature? I'm working on Stable 4, and
>> cannot find this file in my analysis directory,
>>
>> e.g.
>> /cluster/roffman/users/folate_subjects/FB0011099AA/bold/fmcsm5_functionals
>>
>> ...or anywhere else in the subject directory. All I see are the fsnr.nii
>> overlay files.
>>
>> -Adam
>>
>>
>>
>>> There should be an fsnr.dat file in the fsfast analysis directory with
>>> the value that you want.
>>>
>>> doug
>>>
>>> On 12/20/10 1:30 PM, Adam Nitenson wrote:
>>>
>>>> Hello Freesurfers,
>>>>
>>>> We are beginning to perform QC on our subjects and want to look
>>>> at
>>>> signal to noise ratio. I've taken a look at the fsnr.nii overlay
>>>> files, but we would like to be able to calculate a whole surface
>>>> value for SNR for each functional run of each subject, so that we can
>>>> exclude runs if that SNR values falls below our designated threshold.
>>>> Is there a way to accomplish this?
>>>>
>>>> Thanks,
>>>>
>>>>
>>>> Adam Nitenson, B.S.
>>>> Brain Genomics Lab
>>>> Massachusetts General Hospital
>>>> _______________________________________________
>>>> Freesurfer mailing list
>>>> Freesurfer@nmr.mgh.harvard.edu
>>>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>>>>
>>>>
>>>>
>>> _______________________________________________
>>> Freesurfer mailing list
>>> Freesurfer@nmr.mgh.harvard.edu
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>>>
>>>
>>>
>>>
>>
>>
>> Adam Nitenson, B.S.
>> Brain Genomics Lab
>> Massachusetts General Hospital
>>
>>
>>
>
> --
> Douglas N. Greve, Ph.D.
> MGH-NMR Center
> gr...@nmr.mgh.harvard.edu
> Phone Number: 617-724-2358
> Fax: 617-726-7422
>
> Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
> FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html
>
>
>
Adam Nitenson, B.S.
Brain Genomics Lab
Massachusetts General Hospital
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