No, your brain does not fall over. No, when you see purple you are not seeing something your brain "thinks should be green". It's true that purple is a non-sp

No, your brain does not fall over. No, when you see purple you are not seeing something your brain "thinks should be green". It's true that purple is a non-spectral colour. The rest of what that article says about purple is nonsense. (Perhaps motivated by the analogy they want to make with what they say about "customer experiences"?)