CAS PS 101 Lecture Notes - Lecture 9: Allan Hobson, Slow-Wave Sleep, Sleep Paralysis
18 Oct 2018
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If it is vivid, bizarre, emotionally intense. If we are not distracted upon awakening. Recording the voltage coming off of the brain. Switch that turns on dreaming is in pons at the bottom of the brain above the spinal cord. Pons sends neurons to other areas of brain. Hindbrain (autonomic functions) regulates sleep and dreaming. Switches in pons that causes paralysis when you"re having vivid dreams (only moving part is rapid eye movement), sensations not present in environment, stimulates sleep. Deep sleep / slow wave sleep / stage 3 sleep. Fewest amounts of action potential as group in cortex. Looked for to indicate someone is going to fall asleep. Compared with nrem sleep: vivid, longer, visual. Muscle tone suppressed, a kind of paralysis. Blind persons, cats raised in darkness have rem. Just before sleep- alpha waves: stage 1: alpha > theta. I wasn"t sleep : stage 2: spindles (bursts) and k complexes (hi amp)
