Re: [Freesurfer] Increasing the Number of a non-FreeSurfer Parcellation

2018-12-11 Thread Bruce Fischl
I see. You will need to sample it onto the surface before you can use mris_divide_parcellation. cheers Bruce On Tue, 11 Dec 2018, Maedeh Khalilian wrote: External Email - Use Caution Dear Bruce The parcellation I have is not on surface, it is volumetric. I wanna increase

Re: [Freesurfer] Increasing the Number of a non-FreeSurfer Parcellation

2018-12-11 Thread Greve, Douglas N.,Ph.D.
can you include previous emails so that we know what you are talking about? On 12/11/18 7:15 AM, Maedeh Khalilian wrote: External Email - Use Caution Dear Bruce The parcellation I have is not on surface, it is volumetric. I wanna increase the number of its ROIs, I thought maybe I can

Re: [Freesurfer] Increasing the Number of a non-FreeSurfer Parcellation

2018-12-11 Thread Maedeh Khalilian
External Email - Use Caution Dear Bruce The parcellation I have is not on surface, it is volumetric. I wanna increase the number of its ROIs, I thought maybe I can change it into an annotation file and then use "mris_divide_parcellation". Hope it is clear enough now. Best

Re: [Freesurfer] Increasing the Number of a non-FreeSurfer Parcellation

2018-12-10 Thread Bruce Fischl
Hi Maedeh I'm not sure I understand. Are you trying to import an existing parcellation that has more parcels than the ones we use? Or something else? If the former, is the parcellation already on the surface? If so, you can always use our matlab tools to write it into an annotation file that

[Freesurfer] Increasing the Number of a non-FreeSurfer Parcellation

2018-12-10 Thread Maedeh Khalilian
External Email - Use Caution Dear experts, I have a question, if I have a parcellation which is not the output of FreeSurfer, can i increase the number of its parcels in FreeSurfer? Maybe if I can change my file into an annotation file is it possible? I would be grateful if