Dear Sira Using the same scanner we developed this sequence for Freesurfer analysis BRAVO: TR=9.2 ms; TE = 3.7 ms; flip angle 12°; FOV = 25.6 cm; preparation time= 650 ms; slice thickness= 1 mm; Bandwith= 25. Running time: 5 min, 32 sec.
---------------------------------------------------------------------- Antonio Cerasa, PhD Neuroimaging Research Unit, National Research Council, Catanzaro, 88100 Italy.
----- Original Message ----- From: "Mira Michelle Raman" mraman@stanford.edu To: freesurfer@nmr.mgh.harvard.edu Sent: Friday, July 16, 2010 7:27 PM Subject: [Freesurfer] Any suggestions for imaging parameters on a GE 3T with 8 channel head coil
Hi Freesurfers, We would like to optimize the 'Freesurferability' of images for a new project involving fidgety young children. Ideally, the structural scan time will be under 5 minutes. We have a GE Signa 3T MR750, with an 8-channel head coil. Preliminary experiments have found two short structural scan options, but both require some intervention after autorecon2 in the Freesurfer pipeline.
Does anyone have a suggestion for a sequence that
a) runs in under 5 minutes b) freesurfs with minimal intervention
and c) that they would be kind enough to share.
Thank you in advance, Mira ____________________________________________________ Mira Michelle Raman Scientific Programmer Center for Interdisciplinary Brain Sciences Research Stanford University 401 Quarry Rd. Stanford, CA 94305 (650)498-4620
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