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an uncommon sleep disorder,narcolepsy is marked byrecurring irrepressible attacks of sleep during normal waking hours, aswell as by cataplexy, sleep paralysis and hallucinations.

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Psychology term of the day

June 19th 2021


in operantconditioning, a method to increase the probability and strength of aresponse by removing or withholding an aversive stimuliĀ  (negative reinforcer)