nderstanding of consciousness, the human psyche, and the nature of reality itself that become necessary when we pay attention to the testimony of non-ordinary states, as all other cultures before us. For this purpose, it does not make much difference whether the trigger of these states is the practice of meditation, a session in experiential psychotherapy, an episode of spontaneous psychospiritual crisis (“spiritual emergency”), a near-death situation, or ingestion of a psychedelic substance