a neuroimaging study of the phenomenon of speaking in tongues, or “glossolalia.”75 The subjects were Pentecostal women who had reported experiencing regular, daily episodes of speaking in tongues for several years. In the lab, they were scanned while either speaking in tongues or singing relatively mellow gospel songs, accompanied by music and gentle movement. Compared to the singing condition, the subjects showed “decreased activity in the prefrontal cortices during the glossolalia state.” In other words, these Pentecostals seemed to be able to use prayer-induced glossolalia to knock out
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