> these experiences -- which have an internal consistency -- seem to be inexplicably independent of culture, background or time You've repeated this point in y

> these experiences -- which have an internal consistency -- seem to be inexplicably independent of culture, background or time You've repeated this point in your other comments. Why would these experiences not simply be a result of the interactions between this chemical and typical human physiology? Alcohol has predictable effects when consumed -- I'm sure ancient Egyptians had equally impaired motor control as 21st century Australians. Why would DMT be any different?