Surface adjacency information is only available through gifti surface
files, as a list of triangles that make up the surface (each triangle has
three vertex indices). You can use wb_command -cifti-separate to get the
timeseries for full surfaces as a gifti metric file, which is easier to
match to
Thank you for the help!
To clarify, by "native space" I had meant "without spatial normalization
to MNI space". But on reflection that's probably not the proper way to
think about or describe this data. As I understand it, when we download
the preprocessed functional data we get two versions of
