Behaviorism Weak behaviorism We don't need to talk about consciousness That is not a great loss, this not relevant for science Consciousness just beside the point for scientific explanation Are intelligent actors conscious? We don't need to pursue that question, for it is irrelevant Science explains behavior Strong behaviorism It is nonsense to talk about such things as consciousness They do not exist A mistake to talk about consciousness, because then we cannot get scientific explanation going Behaviorism was developed as a Scientific program Replace all the mental language by talk about conditioning, response Instead of saying, he felt tired say he behaved thus- he yawned, closed his eyes, Instead of saying, he saw red, say he said (speech= verbal behavior) He was in pain replace with: he said ouch, grimaced, etc