PSYC 1010 Chapter Notes - Chapter 9: Serval, Hypothalamus, Circadian Clock

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Rebecca Jubis

Document Summary

Hh/psyc1010 e - introduction to psychology (full year. Sleep: periodic, natural loss of consciousness- as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation: eeg recording confirms that the brains auditory cortex responds to sound stimuli even during sleep. Our two biological rhythms- our 24 hours" biological clock and our 90-minute sleep cycle. They have been linked to various sleep disorders, such as insomnia. Abnormal circadian rhythms have also been associated with obesity, diabetes, depression, bipolar disorder and seasonal affective disorder: circadian rhythms are important in determining human sleep patterns. The body"s master clock, or scn, controls the production of melatonin, a hormone that makes you sleepy. Since it is located just above the optic nerves, which relay information from the eyes to the brain, the. Like at night the scn tells the brain to make more melatonin so you get drowsy: jet lag occurs when travelers suffer from disrupted circadian rhythms.