PSYC 101 Lecture Notes - Lecture 5: Sedative, Psychological Dependence, Cardiac Arrhythmia

• School: UBC
• Department: Psychology
• Course: PSYC 101
• Professor: Catherine Rawn

Document Summary

* sleep paralysis: state of being unable to move just after falling asleep or night before waking up. * consciousness: our subjective experience of the world, out bodies, and our mental perspectives. Circadian rhythm: cyclical changes that occur on a roughly 24-hour basis in many biological processes. Biological clock: term for the suprachiasmatic nucleus (scn) in the hypothalamus that"s responsible for controlling our levels of alertness. The urge to snooze over us at well because levels of the hormone. Melatonin, which triggers feelings of sleepiness, increase after dark. Jet lag: the result of a disruption of our body"s circadian rhythms. Most of us need seven to ten hours. Newborns are gluttons for sleep and need about 16 hours over the course of a day. Last for five to ten minutes, our brain activity powers down by. 50 percent or more, producing theta waves, which occur four to seven times per second.