So monkeys are shown high density images and low density images and they can press the correct button for a treat. For medium denisty images they can either mak

So monkeys are shown high density images and low density images and they can press the correct button for a treat. For medium denisty images they can either make an incorrect choice, or press a skip button. If I wrote a computer program to do the exact same thing it would not prove computers had self-doubt, just that they had a programmed intelligence. Pressing the centre button gets you to a sure treat quicker.