Re: [Freesurfer] ASL perfusion maps

2006-11-30 Thread Abi Gopal
> 3dvolreg. As for analysis, you should be able run > > mri_concat --paired-diff --mean inputaslvolume outputvolume > > I've never actually tried it like this, but it should work. > > doug > > > On Mon, 27 Nov 2006, Abi Gopal wrote: > >> Hi all >> >>

[Freesurfer] ASL perfusion maps

2006-11-27 Thread Abi Gopal
Hi all I have collected some raw Arterial Spin Labeling (ASL) data. I would like to use freesurfer to create perfusion maps of this data. Is it possible to take the raw data, motion correct it, perform a pairwise subtraction, and then average all the subtractions to create a mean perfusion map?

[Freesurfer] visualizing ASL images

2006-11-17 Thread Abi Gopal
Hello all I'm new to the freesurfer mailing list, so I was hoping I could get some advice here. As part of my research, I have been acquiring arterial spin-labeling (ASL) images of subjects with cortical dysplasia (a type of brain malformation). However, I've been having problems visualizing th

Re: [Freesurfer] Re: help with cortical thickness maps

2006-11-14 Thread Abi Gopal
are of the remaining steps and created these files. ThanksabiOn 11/14/06, Bruce Fischl <[EMAIL PROTECTED]> wrote: but how did you reun recon-all and what did it output?On Tue, 14 Nov 2006,Abi Gopal wrote:> Hi all, below is my information.>> rhinal>> cat $FREESURFER_HOME/build-stamp.txt

Re: [Freesurfer] Re: help with cortical thickness maps

2006-11-14 Thread Abi Gopal
l info and what is not. To assist you, we have prepared the following web site: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting. Please look over that and supply all the information is asks for. thanks! doug Abi Gopal wrote: Hello all Hello all I am trying to view my outputted images from reco

[Freesurfer] Re: help with cortical thickness maps

2006-11-13 Thread Abi Gopal
Hello allHello allI am trying to view my outputted images from reconstruction in tksurfer.  However, there are no files in the 'surf' folder in my subject.  The 'mri' folder only has the orig.mgz file.  How do I get the other files, such as .wm, .filled, etc, that result from the 'tesselating' and

[Freesurfer] help with cortical thickness maps

2006-11-13 Thread Abi Gopal
Hello allI have a basic question.  How do I create cortical thickness maps?  I have been through most of the freesurfer tutorial and understand most of the commands.   However, I am wondering how I can create a cortical thickness map for some of my own MRI data.  Please let me know what steps I sho