They’re not common, but there are people in this world who have profoundly different experiences of reality than you and I have. People who are technically blind but who can see anyway, who can feel pain in amputated limbs, who believe they are God and that they have created heaven and hell, and even people who think their own parents are imposters.
These people may be called crazy, but they’re not. Their ways of thinking are limited and distorted because some parts of their brains have suffered physical damage. Today neuroscientists like Ramachandran investigate their brains and their unique make up to discover the Secrets Of The Mind.