Hello,
I'm performing an ROI analysis and trying to get my time series into z-scores (I didn't do intensity normalization), using fslmeants to get the time series of a specific ROI (ROI transformed to subject's space beforehand)
fslmeants -i sub-000/sub-000_1.feat/filtered_func_data.nii.gz -o sub-000_run-1_Occipital_Fusiform_Gyrus_thr-50.txt -m $sub-000/sub-000_1.feat/reg/reg_Occipital_Fusiform_Gyrus_thr-50.nii.gz
fslstats sub-000/sub-000_1.feat/filtered_func_data.nii.gz -k sub-000/sub-000_1.feat/reg/reg_Occipital_Fusiform_Gyrus_thr-50.nii.gz -m
The mean value from fslstats is 11510.49, while the mean from the fslmeants output is 11436.97. My impression is that both methods should produce the same mean, which is not the case here. I wanted to see what is causing this discrepancy.
Thank you,
Dan
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