- agrees that the temporal loves have a significant role in religious experiences, argues that religious experiences are no more than the brain responding to external stimuli - god helmet: simulates religious experiences. Weak magnetic fields produced specifically in the temporal lobe- 900 people taken part- when under influence of the helmet, brain is deprived of the self stimulation and sensory input that is required to define itself as being distinct from the rest of the world, the brain defaults to a sense of infinity.- sense of self expands to fill whatever the brain can sense, it senses the world, so the experience of self expands to fill the perception of the universe