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Jiang proposes that psychedelics may have altered perception so that shamans saw geometric signs and represented the language of the spirit world.
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Altered Perception
Jiang proposes that psychedelics may have altered perception so that shamans saw geometric signs and represented the language of the spirit world.
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"So you just have to use a symbol to represent it. Okay? Which means what? Which means that each picture is a mythology. It's..."
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"The geometric signs. So in other words, they went to the spirit world or they think they went into the spirit world and then..."
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