the self as intrinsically, empathically inseparable from the world in which it stands in relation to others, and the continuous sense of self, are more dependent on the right hemisphere, whereas the objectified self, and the self as an expression of will, is generally more dependent on the left hemisphere.

By paying a certain kind of attention, you can humanise or dehumanise, cherish or strip of all value. By a kind of alienating, fragmenting and focal attention, you can reduce humanity – or art, sex, humour, or religion – to nothing. You can so alienate yourself from a poem that you stop seeing the poem at all, and instead come to see in its place j

So not all of the information that your brain is processing reaches your consciousness. Your attentional processes play a big role in what stimuli you actually “know” are out there in the world acting on your sensory receptors.