Average timeseries from an ROI

AFNI Message Board
1

Hello AFNIers

Is it possible to extract the average timeseries of all voxels in an ROI?

Cheers,
Gerome

2

Hi, Gerome-

Yes, lots of ways to get info from ROIs. Here are several ROI-based examples:
https://afni.nimh.nih.gov/pub/dist/doc/htmldoc/tutorials/rois_corr_vis/main_toc.html

… and of particular interest for that question, using 3dmaskave:
https://afni.nimh.nih.gov/pub/dist/doc/htmldoc/tutorials/rois_corr_vis/afni11_roi_cmds.html#averaging-quantities-within-a-mask

–pt