p385fig11.19 Dichoptic masking occurs when the bars in the left and right images have sufficiently different contrasts.
|| Dichoptic masking (McKee, Bravo, Smallman, Legge 1994). [V1 binocular boundaries -> V2 initial boundaries -> V2 final boundaries -> V4 surface] cart [very near, near, fixation plane, far, very far]