PSYC 101 Lecture Notes - Lecture 8: Nocturnal Penile Tumescence, Monday Mornings, Nextdoor
28 Dec 2017
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Circadian: [ser-kay-dee-an] rhythm the biological clock; regular bodily rhythms (for example, of temperature and wakefulness) that occur on a 24-hour cycle. (p. 92) Rem sleep: rapid eye movement sleep; a recurring sleep stage during which vivid dreams commonly occur. Also known as paradoxical sleep, because the muscles are relaxed (except for minor twitches) but other body systems are active. (p. 93) During this brief nrem-1 sleep you may experience fantastic images resembling hallucinations,, sensation of falling, or floating weightlessly. These hypnagogic sensations may later be incorporated into your memories. You then relax more deeply and begin about 20 minutes of nrem-2 sleep, with its periodic sleep spindles bursts of rapid, rhythmic brain-wave activity. Then you transition to the deep sleep of nrem-3. Rem, nrem-1, nrem-2, nrem-3; normally we move through nrem-1, then nrem-2, then nrem-3, then back up through. The_______nucleus helps monitor the brain"s release of melatonin, which affects our_______rhythm. suprachiasmatic, circadian.
