The newest and most controversial way of carrying on that most important study is with the aid of drugs that produce hallucinations or illusions. But the responsible hopes raised by serious and ...

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Patients with Parkinson disease (PD) can experience hallucinations (spontaneous aberrant perceptions) and illusions (misinterpretations of real perceptual stimuli). Of such phenomena, visual ...

LSD affects serotonin and dopamine receptors ... and other sensory disturbances colloquially known as “trips.” Since disturbing hallucinations may also be caused by other disorders ...