Re: [Freesurfer] Process monkey data

2011-10-07 Thread Sebastian Moeller
Hi Pedro,


On Oct 7, 2011, at 9:02 , Pedro Paulo de Magalhães Oliveira Junior wrote:

> I have data from 100 monkeys and I need to compare cortical thickness
> among two groups.
> 
> In the wiki page there is an entry MonkeyData that has a set of
> scripts which break-down the steps needed, unfortunately I'm having
> trouble with this scripts and FS 5.1

I was somewhat involved with these scripts in the past, I only used 
them with 4.5 so far, therefore I do not know what issues you encounter, care 
to elaborate what causes the trouble? (BTW the old monkey pipeline will fake 
the resolution information in the volume headers so Freesurfer sees 1mm 
isotropic and does not go and resamples the data to 1mm, at least for macaques 
and smaller monkeys that would throw away too much information in my opinion 
(don't know for apes...)). So if you use these scripts for morphometry keep in 
mind that all length measurements are off by 1/real_isotropic_voxel_size, area 
and volume are therefore off as well; but then this can be easily corrected for 
I think... 
Now, I hope some other monkey people can chime in and share their 
improved freesurfer pipeline :)


Best
Sebastian


> 
> Are there an updated version of those procedures?
> 
> Thanks
> 
> PPJ
> 
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[Freesurfer] Process monkey data

2011-10-07 Thread Pedro Paulo de Magalhães Oliveira Junior
I have data from 100 monkeys and I need to compare cortical thickness
among two groups.

In the wiki page there is an entry MonkeyData that has a set of
scripts which break-down the steps needed, unfortunately I'm having
trouble with this scripts and FS 5.1

Are there an updated version of those procedures?

Thanks

PPJ

-- iOS 5.0
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The information in this e-mail is intended only for the person to whom it is
addressed. If you believe this e-mail was sent to you in error and the e-mail
contains patient information, please contact the Partners Compliance HelpLine at
http://www.partners.org/complianceline . If the e-mail was sent to you in error
but does not contain patient information, please contact the sender and properly
dispose of the e-mail.