Why the cross-cultural recurrence matters
Independent emergence of recognisably similar shamanic complexes — the journey to upper and lower worlds, the spirit-helper relationship, the use of rhythmic drumming or specific plants to enter the working state, the role of healing within community context — across cultures that did not share an origin is itself a piece of ethnographic evidence. Mircea Eliade's Shamanism: Archaic Techniques of Ecstasy (1951) compiled the comparative record; Michael Harner's later core shamanism model was an attempt to extract the practical method from the cultural specifics.
Plant medicines
Many shamanic traditions use specific psychoactive plants — ayahuasca in the Amazon, peyote in Mexico and the southwestern United States, iboga in Gabon, Amanita muscaria across Eurasia — within structured ritual containers. The current psychedelic renaissance in Western clinical research (MDMA-assisted psychotherapy, psilocybin for treatment-resistant depression) is in part a careful re-discovery of what the relevant traditions have known about set, setting and integration for thousands of years.
Phil Borges in the index
Phil Borges's TEDx talk is the index's clearest contemporary articulation of one of shamanism's interesting structural claims — that what Western psychiatry pathologises as the onset of psychosis may, in indigenous frameworks, be recognised as the early stage of a shamanic vocation. The argument is not that all psychosis is shamanic; it is that the diagnostic frame we use is itself culturally specific and may be misclassifying a real phenomenon.
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