What colour is that Orange? I’ll give you a tip. The answer is in the question.

But is the Orange still orange if I’m not looking at it? Is my perception of orange the same as your perception of Orange? Does it feel, taste, smell the same for me as it does for you? Almost certainly not.

So what then am I experiencing when I encounter an orange or indeed any aspect of reality? 

Donald Hoffman is a Cognitive Scientist and author of Visual Intelligence: How We Create What We See, and he joined Jonathan to talk about how we perceive reality...

First aired: 05/01/2019