Dear Stephen,
Thank you very much for your reply. According to the SIENAr practicals and radomise manual --T2 option is to use TFCE on masked surface data and -T option is a general option of using TFCE, since the merged flow_AB imaging only has data on the brain edge, I wounder why --T2 makes difference in this case. Is any reference paper I can read?
Sorry for asking such basic questions. Looking forward to your reply
Joyce
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