What We Believe Is What We See | Psychology Today | The brain and illusions | Scoop.it

Some scientists visited a New Guinea tribe that believed their world ended at the nearby river. After several months one of the scientists had to cross the river to leave. When the scientist was safely across he waved, but the tribesmen did not respond. They said they didn't see him as nothing existed beyond the end of the world. Their entrenched patterns of belief about where the world ended distorted their perception of reality.