The neuroscientist Andrew Newberg59 has studied the brains of people undergoing mystical experiences, mostly during meditation, and has found where that off-switch might be. In the rear portion of the brain’s parietal lobes (under the rear portion of the top of the skull) are two patches of cortex Newberg calls the “orientation association areas.” The patch in the left hemisphere appears to contribute to the mental sensation of having a limited and physically defined body, and thus keeps track of your edges. The corresponding area in the right hemisphere maintains a map of the space around
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