Which of the following refers to a perceptual error in which the person sees or hears something that doesn't exist? This question is based on the Faces Interactive Paranoid Schizophrenia Module

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A hallucination is a perceptual error in which a person experiences something that isn't actually there, such as seeing or hearing things that aren't real. Delusion refers to a false belief that isn't based on reality. Ecopraxia refers to a mental condition in which a person mimics the movements of others. Catatonia refers to a state of unresponsiveness in which a person may hold a rigid posture or remain completely still.

Which of the Following Refers to a Perceptual Error in Which