[Mristudio-users] difference between JHU_MNI_SS_FA and JHU_MNI_SS_FA_ss

[Risen, Sarah]

Yesterday at 3 pm we did the initial multichannel LDDMM and typed my email.  In the tutorial, they said results are emailed in 30 min - 5 hours.  Is this an accurate time frame?  Is there a contact if we have not received a reply email in >15 hours? Thank you. sarah

From: mristudio-users-bounces at mristudio.org [mailto:mristudio-users-bounces at mristudio.org] On Behalf Of susumu mori
Sent: Wednesday, July 21, 2010 8:34 AM
To: DTI Studio, ROI Editor, DiffeoMap Questions/Support
Subject: Re: [Mristudio-users] difference between JHU_MNI_SS_FA and JHU_MNI_SS_FA_ss

"SS" means "single-subject", while "ss" means "skull stripped".

Sorry for the confusing nomenclature.
If your data is skull stripped, you should use "ss" atlas.
Usually linear transformation works between non-skull stripped data. However, sometimes some extra signal such as sinus interferes with the registration. In this case, you may need to do registration between skull-stripped images.
For LDDMM, it is safe to use skull-stripped images.
On Tue, Jul 20, 2010 at 5:44 PM, Josselin <j.houenou at yahoo.fr<mailto:j.houenou at yahoo.fr>> wrote:
Hi,
In many files provided, some have the letters "_ss" attached to them. What does it mean ? e.g. what's the difference between JHU_MNI_SS_FA and JHU_MNI_SS_FA_ss ?
thanks,
Josselin





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