Hi, I want to do source localization on 128-channel EEG. For that, I need to create 3-layer head models for our subjects. However, our current MRI protocol only includes MPRAGE.
I've talked with the (f)MRI team on our project about adding a single FLASH scan in their protocol. They are mainly concerned about the time requirement. So my questions are: 1) Is it possible to get a decent 3-layer head model just from MPRAGE using FreeSurfer or other tools like SPM? 2) If we have to use FLASH, which protocol we should use? I found one at https://surfer.nmr.mgh.harvard.edu/fswiki/FreeSurferWiki?action=AttachFile&do=get&target=FreeSurfer_Suggested_Morphometry_Protocols.pdf I don't know if this is the most recent one -- is there a newer FLASH protocol that can produce decent skull boundaries and takes less time to run. 3) Is there a FLASH protocol already imported on Bay 1 (Skyra scanner) at Martinos (where the MPRAGE was run)? If not, is it ok to run FLASH and MPRAGE on different scanners for the same subject? I know this is a lot of questions. I really appreciate any responses. Thanks! Le
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