use default Tissue Probability Map option

Hi Alfonso,

I am interested in  incorporating lesion masks in CONN. Where can I find the option labeled 'use default Tissue Probability Map' that you mentioned in previous topics? In the Preprocessing GUI, I can't see this option.
Besides, I have a different lesion masks for each subject. Should I create a different TPM for each subject?
Thank you,
Marianna La Rocca