PSYCH 100 Lecture Notes - Lecture 7: Narcolepsy, Sleepwalking, Weight Gain
Document Summary
Psychology 100 - lecture 7 - consciousness and the two track mind. Sleep and dreams: sleep- periodic, natural loss of consciousness, temporal lobe still active while asleep. Sleep paralysis: nrem-2, (cid:1006)0 (cid:373)i(cid:374)utes, half of sleep ti(cid:373)e duri(cid:374)g the (cid:374)ight, sleepi(cid:374)g spi(cid:374)dles- rapid bursts of rhythmic brain activity, falli(cid:374)g deeper i(cid:374)to sleep, nrem-3, (cid:1007)0 (cid:373)i(cid:374)utes, deep sleep, delta (cid:449)a(cid:448)es, (cid:449)here sleep(cid:449)alki(cid:374)g o(cid:272)(cid:272)urs. Measuring sleep activity: sleep resear(cid:272)her (cid:373)easure (cid:271)rai(cid:374)-wave activity, eye movements, and muscle tension by electrodes that pick up weak electrical signals from the brain, eyes and facial muscles. What affects our sleep patterns: ge(cid:374)eti(cid:272)ally a(cid:374)d (cid:272)ulturally i(cid:374)flue(cid:374)(cid:272)ed, bright (cid:373)or(cid:374)i(cid:374)g light, melato(cid:374)i(cid:374, moder(cid:374) life, age. Why do we sleep: prote(cid:272)ti(cid:448)e role - asleep when sun is down, restori(cid:374)g a(cid:374)d repairi(cid:374)g - body + brain, stre(cid:374)gthe(cid:374) (cid:374)eural (cid:272)o(cid:374)(cid:374)e(cid:272)tio(cid:374)s - long term memories, pro(cid:373)otes (cid:272)reati(cid:448)e pro(cid:271)le(cid:373) sol(cid:448)i(cid:374)g, gro(cid:449)th hormone. Sleep deprivation and sleep disorders effects of sleep loss.
