Q Barthes asserts that perceiving a photograph is "a temporal hallucination."

This must mean "an hallucination," because as far as I know there is no such thing as a "non-temporal" hallucination, at least not for people who are not dead.

Be that as it may, surely some photographs are more hallucinogenic than others.

Further, any photograph should be rendered more hallucinogenic for a person perceiving same, if the person consumes an hallucinogenic substance shortly beforehand by a route appropriate for the substance's hallucinogenic effects.
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