Below is a previous guide from James - Note it uses the older versions of FreeSurfer (v6.0 and below).
For FreeSurver v7.0 and above, click here for instructions on how to use freeview to make manual edits.
MANUAL EDITING
Make sure you have freesurfer set up correctly and that your subjects directory is correct e.g. SUBJECTS_DIR=/Users/Lucie/Desktop/hpc/Lucie/T1/. See "Setting up freesurfer" for more details. Confirm freesurfer is set up correctly by opening a new terminal window and comparing to Figure B. below.
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