For now, I am just trying to get any arbitrary ROI that I define. (I'm new to this and am just trying to figure out how to get the basic process first.) Eventually, I will want it related to another signal such as the EEG from an epilepsy subject for example. In that case, it would be the active region that I want to capture and then map it to the surface. First, I want to be sure that I can get an ROI that I can then project to the surface (which I assume would be something like mri_vol2surf) if that makes sense. So i first need to be able to create the volume or label.
Thank you, Anna ________________________________________
From: freesurfer-bounces@nmr.mgh.harvard.edu [freesurfer-bounces@nmr.mgh.harvard.edu] on behalf of Bruce Fischl [fischl@nmr.mgh.harvard.edu] Sent: Monday, September 26, 2016 1:16 PM To: Freesurfer support list Subject: Re: [Freesurfer] Co-registering different source data
can you explain what the ROI is supposed to represent? If you can create it in the volume, you can use mri_vol2surf to map it onto the surface.
cheers Bruce
On Mon, 26 Sep 2016, Crawford, Anna wrote:
Hi,
I am having trouble figuring out how to create my own ROI. I can visualize the anatomical ROI created automatically. How do I create a new ROI?
Thanks, Anna ________________________________________ From: freesurfer-bounces@nmr.mgh.harvard.edu [freesurfer-bounces@nmr.mgh.harvard.edu] on behalf of Bruce Fischl [fischl@nmr.mgh.harvard.edu] Sent: Monday, September 26, 2016 10:44 AM To: Freesurfer support list Subject: Re: [Freesurfer] Co-registering different source data
Hi Anna
I'm not exactly sure what you mean, but if you register EEG electrodes to the white or pial surface, then you can visualize them on the inflated surface trivially. That is, you can create your ROI on any surface of the same hemisphere/subject and visualize it on any other
cheers Bruce
On Mon, 26 Sep 2016, Crawford, Anna wrote:
Hello,
I am trying to create a new surface area on the inflated brain given by freesurfer using recon-all. I make to create my own ROI that is co-registered onto this surfer. Ultimately, I want to be able to take information from a different data source such as EEG and have it co-registered onto the inflated surface. How do I go about creating this new ROI surface?
Thanks, Anna
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