Religious practices centered on controlled trance states, such as Siberian shamanism or North African zar, are ubiquitous, yet their characteristics vary. In particular, cross-cultural research finds that female-dominated spirit possession cults are common in stratified societies, whereas male-dominated shamanism predominates in structurally flatter cultures. Here, we present an agent-based...
Singh deploys cultural evolution to explain recurrent features of shamanistic trance forms, but fails to substantively address important distinctions between these forms. Possession trance (vs. trance without possession) is disproportionately female-dominated and found in complex societies. The effects of cultural conditions on shamanism thus extend beyond its presence or absence and are vital...