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[MUSIC PLAYING] PATRICIA ANDREWS: The first thing that you want to do when a person has this episode, is that you want to make sure that this is not delirium. So if this is something acute and ...

HPPD is divided into two types, according to the kinds of hallucinations the person experiences. In Type 1, an individual experiences brief, random flashbacks. In Type 2, the experience is more ...

Hallucinations involve seeing ... Some research suggests that similar genetic factors can predispose a person to develop either bipolar disorder or schizophrenia. But a doctor can base a diagnosis ...