External Email - Use Caution Hi Jim, >From my experience .8 isotropic is on the edge. Did you take a look at the >output? You can always send us the data if you want us to take a look. Cheers, /Eugenio
-- Juan Eugenio Iglesias ERC Senior Research Fellow Translational Imaging Group University College London http://www.jeiglesias.com http://cmictig.cs.ucl.ac.uk/ On 19/04/2018, 19:55, "freesurfer-boun...@nmr.mgh.harvard.edu on behalf of Alexopoulos, Dimitrios" <freesurfer-boun...@nmr.mgh.harvard.edu on behalf of dimitriosalexopou...@wustl.edu> wrote: External Email - Use Caution Thanks. I ran several subjects that were native 0.82 x 0.82 x 0.85mm through the standard recon-all -all stream, with the -hires flag (but with no experts file). The volumes and surafces look good. Is there any need to be concerened with the output since I did not use an experts file? Jim -----Original Message----- From: freesurfer-boun...@nmr.mgh.harvard.edu [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Bruce Fischl Sent: Wednesday, April 04, 2018 7:52 AM To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu> Subject: Re: [Freesurfer] using T2 for hippo subfields no it is not required cheers Bruce On Wed, 4 Apr 2018, Alexopoulos, Dimitrios wrote: > Per an earlier post below, is an 'expert_file' always required when using the -hires option? > > Jim > > ______________________________________________________________________ > ______________________________ > From: freesurfer-boun...@nmr.mgh.harvard.edu > <freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Alexopoulos, > Dimitrios <dimitriosalexopou...@wustl.edu> > Sent: Sunday, March 25, 2018 9:47:07 PM > To: Freesurfer support list > Subject: Re: [Freesurfer] using T2 for hippo subfields > > Thanks for the input. I processed a few subjects (T1-mprage, 0.8mm > isotropic) using the -hires flag, with no expert file, which generated nice surfaces. > > Is an 'expert_file' required ?? > > > Jim > > ______________________________________________________________________ > ______________________________ > From: freesurfer-boun...@nmr.mgh.harvard.edu > <freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Iglesias > Gonzalez, Eugenio <e.igles...@ucl.ac.uk> > Sent: Friday, March 23, 2018 11:02:00 AM > To: Freesurfer support list > Subject: Re: [Freesurfer] using T2 for hippo subfields > > Hi Jim, > > In the end it's an empirical question, but my gut feeling is that the > T1 with hi-res flag will be best. > > Cheers, > > /E > > > > -- > > Juan Eugenio Iglesias > > ERC Senior Research Fellow > > Translational Imaging Group > > University College London > > http://www.jeiglesias.com > > http://cmictig.cs.ucl.ac.uk/ > > > > > > From: <freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of "Alexopoulos, Dimitrios" > <dimitriosalexopou...@wustl.edu> > Reply-To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu> > Date: Friday, 23 March 2018 at 16:00 > To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu> > Subject: [Freesurfer] using T2 for hippo subfields > > > > Hi. We are acquiring sequences on a pediatric cohort that include a > T1-mprage (0.8mm isotropic) and a T2-space (1mm isotropic), and I'd > like to run the hippocampal subfields module on the subjects using FS 6.0. > > > > Is it recommended/useful to run the multispectral segmentation mode > with the additional lower resolution T2 sequence? > > I read that you really only benefit if the T2 is of similar or better resolution than the T1. > > > > If that's the case, would it be best to just run with the single T1 > but with the hi-res flag in the recon-all command? > > > Thanks. > > Jim > > > > > > > > > > > > > ______________________________________________________________________ > ______________________________ > > > The materials in this message are private and may contain Protected > Healthcare Information or other information of a sensitive nature. If > you are not the intended recipient, be advised that any unauthorized > use, disclosure, copying or the taking of any action in reliance on > the contents of this information is strictly prohibited. If you have received this email in error, please immediately notify the sender via telephone or return mail. > > > > > ______________________________________________________________________ > ______________________________ > > > The materials in this message are private and may contain Protected > Healthcare Information or other information of a sensitive nature. If > you are not the intended recipient, be advised that any unauthorized > use, disclosure, copying or the taking of any action in reliance on > the contents of this information is strictly prohibited. If you have received this email in error, please immediately notify the sender via telephone or return mail. > > > > > ______________________________________________________________________ > ______________________________ > > > The materials in this message are private and may contain Protected > Healthcare Information or other information of a sensitive nature. If > you are not the intended recipient, be advised that any unauthorized > use, disclosure, copying or the taking of any action in reliance on > the contents of this information is strictly prohibited. If you have received this email in error, please immediately notify the sender via telephone or return mail. > > > ________________________________ The materials in this message are private and may contain Protected Healthcare Information or other information of a sensitive nature. 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