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Lecture 1

PSYC 3P68 Lecture 1: PSYC_3P68_D2_S1_2017_11_16_Lecture

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Narcolepsy What is Narcolepsy? Chronic neurological disorder that causes involuntary sleep attacks Age of onset: 1530 years Symptoms Excessive Daytime Sleepiness (EDS) Sleep attacks Cataplexy Facial weakness, head drooping, knees buckling to the ground, may look like they have passed out on the floor usually triggered by strong emotions, this is because the brain areas that cause the loss of muscle interact with those in emotion areas. Sleep paralysis (parasomnia) Unable to move or speak for brief period while waking up or just before falling asleep Hypnagogic hallucinations (parasomnia) Scary dreams or sounds reported as subject falls asleep Both of these represent the patient going right into REM sleep. They are manifestation of the REM sleep atonia with rem and the dream like visions of dreaming during sleep Automatic behaviors Prevalence: 1 in 2,000 Estimated that only 55 of cases diagnosed Time to diagnose often >10 years Very insidious disease By the time you get a diagnosis the symptoms usually very severe. Impact on Quality of Life Cant get a drivers license Scholastic work performance; safety (driving) History of Narcolepsy stimulant treatments; may mask the sleepiness, but not effective at treating underlying issues discovery of REM sleep, led to discovery of another type of consciousness led of many more disorders being understood, and better diagnosed and treated. Canine Model of Narcolepsy
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