english: So what's happening here is that the brain is using its prior expectations built deeply into the circuits of the visual cortex that a cast shadow dims the appearance of a surface, so that we see B as lighter than it really is.
non_english: Pa, ovde se dešava to da mozak koristi ranija očekivanja koja su duboko ugrađena u tokove vizuelnog korteksa, da senka zamračuje izgled površine, te B vidimo svetlije nego što zaista jeste.