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Case Lab · Type A · Foundation

F16

The colours were part of the plan

Nina, 21, used a classic hallucinogen at a supervised gathering and experienced marked visual distortions, altered sense of time, and synaesthesia (seeing sounds as colours) for about six hours, all consistent with what she had been told to expect. She had no distressing paranoid beliefs, and by the following day the effects had completely worn off with no lingering symptoms.

What is the best-supported classification?