[Freesurfer] cortical thickness of a ROI

2010-12-29 Thread angela . favaro
Dear all, I have not received any advice about this point. Can somebody help me? thank you! I followed the instructions found in Freesurfer tutorials ('cortical thickness of a volume-defined ROI'). However, in the point 4 of the procedure I am not able to change the --reshape default. My run is:

[Freesurfer] Interpreting results from Qdec

2010-12-29 Thread Gallen, Courtney (NIH/NIDA) [F]
Hi, I'm currently running analyses in Qdec and have identified areas that show significant effects in my contrasts. I have two questions related to interpreting these results. 1. How can you interpret the effect in each "blob?" (i.e., which group has a greater cortical surface area, etc.)

Re: [Freesurfer] (no subject)

2010-12-29 Thread FIDEL ALFARO ALMAGRO
Hello experts, After several days of trying, I have accomplished to get what you thought I was asking for. Unfortunately I was not asking for that. First, I have to say that there is no --lobes option in mri_annotation2label (It is not documented, and if you try it, nothing happens). Then I ran

[Freesurfer] Virtualtoolbox

2010-12-29 Thread Liukarl
Hello, Freesurfer users: I am new to Freesurfer. I have two questions when I tried to install the Virtualtoolbox-Freesurfer into Window-XP system. 1) I downloaded the VirtualBox 4.0 for Windows hosts, but in the step of “Adding the downloaded hard disk image”, there is no “Add” button

[Freesurfer] Covariates in Qdec

2010-12-29 Thread Gallen, Courtney (NIH/NIDA) [F]
Hi, I'm running an analysis in Qdec in which I'd like to control for 3 variables (1 discrete (sex), 2 continuous (age and IQ)). In the output after I run the model: I only see a reference to an effect of my factor of interest controlling for sex (i.e., there is no contrast that also explicitly

Re: [Freesurfer] (no subject)

2010-12-29 Thread Bruce Fischl
I guess you could use the ribbon.mgz and mask it with various labels in the aparc+aseg.mgz cheers Bruce On Wed, 29 Dec 2010, FIDEL ALFARO ALMAGRO wrote: > Hello experts, > > After several days of trying, I have accomplished to get what you thought > I was asking for. Unfortunately I was not aski

Re: [Freesurfer] inter vertex distance

2010-12-29 Thread YUMI MAEDA
Yes, I will ask him more information. yumi > did Rudolpha's answer work for you? > On Wed, 29 Dec 2010, YUMI MAEDA wrote: > >> Bruce, >> I meant the distance of 2 nodes along the surface. >> >> YUMI >> >> >>> do you mean on along the surface or in the volume? >>> On Mon, 27 Dec 2010, YUMI >>> MAE

Re: [Freesurfer] cortical thickness of a ROI

2010-12-29 Thread Bruce Fischl
Hi Angela Doug as been away and this is really his domain. If you haven't gotten an answer in a week so please repost one more time Bruce On Dec 29, 2010, at 5:35 AM, angela.fav...@unipd.it wrote: > Dear all, > I have not received any advice about this point. Can somebody help me? > thank you!