In addition to the Buckner article, for other literature on the topic of
adjusting for volumes you can see:
O'Brien et al., Psychiatry Research: Neuroimaging 193:113-122 (2011)
Sanfilipo et al., Neuroimage 22:1732-1743 (2004)
I'll also mention that people sometimes use global global thickness as
Hi Stan, I don't think you have to correct thickness for head size or
grey matter volume, but you should do so for subcortical volumes.
Whether you use ICV or GM volume or brain volume depends on what you
believe is happening and what hypotheses you want to test. Check out the
paper by Randy B
