Colours!
I'm pondering on a question I've had for over 10 years now. The question is: does what we see, appear the same to everyone, with respect to colours. I'm thinking whether there is a way to test this out. Do all of us 'see' the colours the same way. I mean it's possible that the stimulus x gets on seeing green is what y gets on seeing blue. I mean, what appears to x as green, appears to y as what appears to x to be blue. Get it? Its a weird and scary concept. But the concept is not much of an issue (after all these years). Whats bothering me is that there doesn't seem to be any way of testing this out. This has directly got to do with the interpretation of signal from the eye by the brain. What do you mean by 'appear'? After all, the whole visual world is nothing but an abstract model that the brain has made for itself using electrical signals given by the eye in order to consistently and quickly interpret the future signals that the eye would give. T...