Are you getting a 0.8mm isotropic T2w or FLAIR? You would probably get better
mileage out of a different type of scan that can help exclude dura and blood
vessels if you aren’t already getting one. Also what coil are you using? I
might prefer a TI=1000ms simply because it spreads the CSF, GM, and WM
histogram peaks out a little more evenly, whereas 1060 will have GM and WM
closer together than GM and CSF.
on behalf of Alessandra Macbeth
Reply-To: Freesurfer support list
Date: Wednesday, March 7, 2018 at 1:29 PM
Subject: [Freesurfer] Collecting 2 T1s Best?
I know in the past, it was recommended to acquire 2 T1 scans so that they could
be averaged for better SNR, etc. in order to improve cortical thickness and
surface area measurements. Is this still the recommendation? We have a few
extra minutes in our scanning protocol and are debating whether to include a
Our parameters are: MPRAGE with .8mm^3 voxel size, slice thickness of .8, FA =
8 degrees, TR = 2400ms, TE = 2.72ms, TI = 1060ms.
Alessandra Macbeth, M.A.
Doctoral Candidate - Department of Psychology
University of California, Riverside
Freesurfer mailing list
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.