PSYCH101 Lecture Notes - Lecture 8: Nathaniel Kleitman, Slow-Wave Sleep, Ultradian Rhythm

• School: University of Waterloo
• Department: Psychology
• Course: PSYCH101
• Professor: Paul Wehr

Document Summary

Consciousness consists of the thoughts that we are aware of. Quantitative differences refer to more or less consciousness (stream of consciousness had depth such as when you are alert verses drowsy). Qualitative differences refer to the essence of consciousness changing. Biological rhythms are periodic cyclic phenomenon in living organisms. Ultradian rhythm happen more than once per day. The circadian rhythm reflects adaptations of organisms responding to changes in environment associated with earth"s rotation. When asleep, one"s alertness and core body temperature decreases while their secretion of the human growth hormone increases. The suprachiasmatic nucleus (scn) in the hypothalamus regulates neurotransmitters and hormones which send feedback to it. This sets your biological clock by giving your body cues such as sunlight. When humans are sequestered with no time cues, they typically live a. We can impose an artificial 28 hour day where one"s sleep and wake will follow but their hormones will remain in 24 hour.