PSYC 2240 Lecture Notes - Lecture 11: Anterograde Amnesia, Circadian Rhythm, Sleep Paralysis
Document Summary
As discussed in class, describe sleep, the functions of sleep and how it differs across species. Slee p differs from the following sta t e s : coma, veg e t a tiv e stat e , minim ally cons cio u s sta t e , and brain de a t h. Vegetative state: periods of sleep and moderate arousal but no awareness to surroundings. Minimally conscious state: periods of purposeful action and limited speech comprehension. Brain death: no sign or response of brain activity. Functions of sleep: resting muscles, decreasing metabolism, performing cellular maintenance in neurons, reorganizing synapses, strengthening memories. Describe the sleep disorders discussed in class (6 = nisrns) Occasional cataplexy: muscle weakness triggered by strong emotions. Sleep paralysis: inability to move while falling asleep or waking up. Hypnagogic hallucinations: dreamlike experiences: caused by lack of hypothalamus cells that produce and release orexin, treatment: stimulant drugs.
