External Email - Use Caution        

Bruce,

Oh okay I understand now. This has been very enlightening! So, you think if I 
let it keep running it will eventually correct the defects? And then I just 
need to double check the result to make sure it corrected them properly? When I 
got the overlay to work, I could see two big defects on the left hemisphere (30 
and 41) so I guess it'll probably get stuck again on 40. Also, is there 
anything I can do to make it faster?

Thanks,
Brendan

-----Original Message-----
From: freesurfer-boun...@nmr.mgh.harvard.edu 
[mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Bruce Fischl
Sent: Friday, August 9, 2019 11:21 AM
To: Freesurfer support list
Subject: Re: [Freesurfer] CORRECTING DEFECT

CAUTION: External

yes, because that is the total # of defects. The 29th or 30th isn't the last 
one, just what it got stuck on. The #30 should look much bigger though (you'll 
need to change the overlay thresholds) On Fri, 9 Aug 2019, Balken, Brendan 
wrote:

>        External Email - Use Caution
>
> Bruce,
>
> I just imported lh.defect_labels as an overlay over the lh.inflated.nofix but 
> the values aren't 1-30 they're 0 - 160 roughly. I'm not sure why...
>
>
> Thanks!
>
> -----Original Message-----
> From: freesurfer-boun...@nmr.mgh.harvard.edu 
> [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Bruce 
> Fischl
> Sent: Friday, August 9, 2019 11:00 AM
> To: Freesurfer support list
> Subject: Re: [Freesurfer] CORRECTING DEFECT
>
> CAUTION: External
>
> they are an overlay not a surface. Load the surface first then load them as 
> an overlay on top of it (e.g. the lh.inflated.nofix) On Fri, 9 Aug 2019, 
> Balken, Brendan wrote:
>
>>        External Email - Use Caution
>>
>> Bruce,
>>
>> Thanks so much for the quick response! I don't know how to load the defect 
>> labels. When I try to load them as a surface, I get an error. I'm doing this 
>> in freeview gui. Also, I checked the cerebellum and it's not attached.
>>
>> Thanks,
>> Brendan
>>
>> -----Original Message-----
>> From: freesurfer-boun...@nmr.mgh.harvard.edu
>> [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Bruce 
>> Fischl
>> Sent: Friday, August 9, 2019 10:27 AM
>> To: Freesurfer support list
>> Subject: Re: [Freesurfer] CORRECTING DEFECT
>>
>> CAUTION: External
>>
>> Hi Brendan
>>
>> the time to correct goes with the square of the size of the defect (actually 
>> the convex hull of the defect) so it can take a very long time for big ones. 
>> More importantly, if the defect is that large it may not be corrected in the 
>> anatomically desired manner. You should take a look at it and see what is 
>> causing it. Is skull left over? Cerebellum attached?
>> Hemispheres connected? Usually the big ones are due to something dramatic.
>> Look at the ?h.orig.nofix and the ?h.inflated.nofix. YOu can load the 
>> ?h.defect_labels on top of the surfaces and brain.mgz and the wm.mgz to see 
>> which one is 29 (note that they defect_labels file is probably 1-based so 
>> you would need to look for 30 in it).
>>
>> If you can't sort it out gzip and tar your subject and put it on our 
>> ftp site and we will take a look for you cheers Bruce
>>
>> On Fri, 9 Aug 2019, Balken, Brendan wrote:
>>
>>>
>>>         External Email - Use Caution
>>>
>>> Hello!
>>>
>>>
>>>
>>> So I am attempting to use freesurfer’s recon-all script but for one 
>>> of our subjects I keep getting stuck at this point: “CORRECTING 
>>> DEFECT 29 (vertices=19321, convex hull=4029, v0=32423) XL defect 
>>> detected...” It has already corrected 28 defects, but they were much 
>>> smaller. It has been running for about 48 hours on a very powerful 
>>> machine and I’m wondering how long I should wait. Will it eventually 
>>> move on? If no, what is my contingency plan for processing this? I’m 
>>> using the output anatomy folder in brainstorm for source analysis.
>>> Any guidance or information would be greatly appreciated.
>>>
>>>
>>>
>>> Thanks a million!
>>>
>>> Brendan
>>>
>>>
>>>
>>>
>>>
>>> Here’s what the lh and rh.inflated.nofix look like (is that the defect?):
>>>
>>>
>>>
>>> [IMAGE]
>>>
>>>
>>>
>>
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