PSYC 111 Lecture Notes - Lecture 3: Barbiturate, Prenatal Care, Pineal Gland
28 Mar 2017
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* move through nrem-1, then nrem-2, then nrem-3: nrem-2 then back up through nrem-2 before we experience, nrem-3. Rem sleep ( rapid eye movement sleep) May experience hallucinations- sensory experiences that occur without sensory stimulus. Sleep spindles- burst of rapid, rhythmic brain wave activity. Can still be awakened, but you are asleep. Brain emits large, slow delta waves, hard to wake. *if you don"t sleep, you rack up sleep debt for 2 weeks. Increases cortisol, stress hormone that stimulates body fat. Major sleep disorders: insomnia: problems in falling or staying asleep. Tiredness + increased risk of depression: narcolepsy: attacks of overwhelming sleepiness lasting around 5 minutes, sleep apnea: temporary cessation of breathing during sleep + repeated momentary awakenings, night terrors: nightmares, terrifying, occur during nrem-3. Thought they were going to die, don"t remember the dream. Manifest: the remembered story line of a dream. Latent: the underlying meaning of a dream.
