[Freesurfer] Using funcroi-sess with per-run analysis

2024-02-06 Thread Akkoyunlu, Beyza
External Email - Use Caution Hi, We are trying to do % signal change within a ROI. However, when we run funcroi-sess function (after funcroi-config), we get following output in terminal set: variable name must begin with a letter When we run the function with -debug, we saw th

[Freesurfer] MEMPRAGE dura flags

2023-12-07 Thread Akkoyunlu, Beyza
External Email - Use Caution Hi, I have longitudinal data with MEMPRAGE. I want to improve white-gray matter boundaries by using dura flag. But I’m a bit lost about how to do it. Your previous recommendations to use echoes with “mri_make_surfaces” function, yet the surfaces onl

[Freesurfer] Functional data analysis with longitudinal data

2023-11-26 Thread Akkoyunlu, Beyza
External Email - Use Caution Hi, I am doing a longitudinal experiment and I already run the longitudinal anatomical pipeline. I am not sure which anatomical data I should register my functional data to? My first idea was to use base anatomical image, but when I checked results

Re: [Freesurfer] Drawing ROIs

2021-07-19 Thread Akkoyunlu, Beyza
a ROI that covers upper-left visual field, 3-7 degree eccentricity. I am wondering if it is possible to group certain polar angle, eccentricity based on values on the map. How can I create such ROIs? Best, Beyza On 19. Jul 2021, 16:43 +0200, Akkoyunlu, Beyza , wrote: External Email - Use

[Freesurfer] Drawing ROIs

2021-07-19 Thread Akkoyunlu, Beyza
External Email - Use Caution Dear FS experts, I am planning to extract early visual region ROIs from my retinotopy scan. Is it possible group vertices according to radian values? (Like it is done in functional scans, filling an area according to the threshold). Or is there any

[Freesurfer] retinotopy, visualization

2021-07-06 Thread Akkoyunlu, Beyza
External Email - Use Caution Dear experts, While visualizing my polar angle results using angle file, I almost don't get any interpretable results. However, if I show results with real+imag file, taken from the following link (http://secure-web.cisco.com/1JbJRUtZSYA97HQvtYOuYE