It appears that DMT can induce a condition or feeling wherever the person believes to "communicate with other clever lifeforms" (see "equipment elves"). Taken with each other, the evidence for DMT being a neurotransmitter is powerful. The latest study and a lot more classical data have proven that it's synthesized, https://dmt83355.tinyblogging.com/new-step-by-step-map-for-dmt-69853611