I can also eliminate the illusion by covering up the blue circles and only looking at the orange circles.
Maybe that's what the DMT is doing? ... perhaps it gives you tunnel vision (or tunnels your attention) such that you only "see" (or are paying attention to) the orange and blocking out the blue from your mind.
Maybe that's what the DMT is doing? ... perhaps it gives you tunnel vision (or tunnels your attention) such that you only "see" (or are paying attention to) the orange and blocking out the blue from your mind.