[Freesurfer] mri_gtmpvc: ROI analisis no psf no rescale, negative or hight uptake.

2023-09-25 Thread Matteo Parodi
External Email - Use Caution Hello, I'm trying to perform a pet ROI analysis on an image recon from a T1. I have to perform the analysis without normalization and partial volume correction. I'm having problems with regions with few or no voxels which makes me think I'm doing the a

Re: [Freesurfer] mri_gtmpvc: ROI analisis no psf no rescale, negative or hight uptake.

2023-09-26 Thread Douglas N. Greve
External Email - Use Caution I'm not sure what problem you are describing. Can you elaborate? On 9/25/2023 9:16 AM, Matteo Parodi wrote: External Email - Use Caution Hello, I'm trying to perform a pet ROI analysis on an image recon from a T1. I have to perform the anal

Re: [Freesurfer] mri_gtmpvc: ROI analisis no psf no rescale, negative or hight uptake.

2023-09-27 Thread Matteo Parodi
External Email - Use Caution Sure I try, thank you for the replay. I'm using the above-mentioned analisis to obtain the Uptake for the region in Desikan atlas, but the results are strange. I think the error is in the last command but I'm not sure. The first time I had used mri co

Re: [Freesurfer] mri_gtmpvc: ROI analisis no psf no rescale, negative or hight uptake.

2023-10-15 Thread Douglas N. Greve
On 9/27/2023 10:17 AM, Matteo Parodi wrote: External Email - Use Caution Sure I try, thank you for the replay. I'm using the above-mentioned analisis to obtain the Uptake for the region in Desikan atlas, but the resultsĀ are strange. I think the error is in the last command but I'm