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. 2019 Mar;49(4):655–663. doi: 10.1017/S0033291718001356

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© Cambridge University Press 2018

This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 5. — HRS subscales and MEQ30 factors during the dosing session. (a) Significantly higher scores in the ayahuasca group in five HRS subscales: perception (p < 0.0001), somaesthesia (p < 0.0001), cognition (p < 0.0001), intensity (p < 0.0001), and volition (p = 0.0003). Only affect was not significantly different between groups (p = 0.38). (b) Significantly higher MEQ30 scores in the ayahuasca group in the total MEQ30 score (p = 0.004), and three of its factors: mystical (p = 0.049), transcendence of time and space (p = 0.0008), and ineffability (p = 0.003), except for the positive mood (p = 0.32). Values are expressed as a percentage of maximum possible score.