Did you experience hallucinations or illusions?” "What's the difference?” "An illusion is a misreading of actual sensory data, while a hallucination is seeing something that isn't there. (Michael Swanwick)

Did you experience hallucinations or illusions?” "What's the difference?” "An illusion is a misreading of actual sensory data, while a hallucination is seeing something that isn't there.

Michael Swanwick

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actual datum difference experience hallucination illusion misreading seeing sensory something while

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