Percent BOLD signal change for FEF-L (left), FEF-R (right), PPC-L, PPC-R, CV, Broca-L, and Broca-R for CI subjects before vergence training (blue), CI subjects after vergence training (red), and the BNC subjects (green). Bar plots are the average plus one standard deviation. Color images available online at www.liebertpub.com/brain