Altered states of consciousness, such as induced by meditative practices or ingesting hallucinogens, radically alter one’s consciousness. But do these altered states provide veritable evidence about the nature of consciousness? Make a donation to Closer To Truth to help us continue exploring the world's deepest questions without the need for paywalls: https://shorturl.at/OnyRq Anil Kumar Seth is a British neuroscientist and professor of Cognitive and Computational Neuroscience at the University