Bradley is watching his twin daughters play on a playground seesaw, and is fascinated by the way only one side can be up or down at a time. he thinks about color vision, and recognizes that this is similar to how the theory describes his ability to see just one color of a color-pair at a time.

Bradley is watching his twin daughters play on a playground seesaw, and is fascinated by the way only one side can be up or down at a time. He thinks about color vision, and recognizes that this is similar to how the opponent process theory describes his ability to see just one color of a color-pair at a time.

Ithink or blue