How to retrieve M1(Primary motor cortex) This topic has 0 replies, 1 voice, and was last updated 7 years, 1 month ago by zomboyyy. Viewing 0 reply threads Author Posts November 2, 2017 at 11:07 am #921 zomboyyyParticipant Thank you for watching. I’ve already finished surface/volume registration . But I don’t know how to cut only M1. If you know could you tell it? Thank you. Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In