PSY100Y5 Chapter Notes - Chapter 5: Jet Lag, Waking Hours, Sleep Spindle

• School: UTM
• Department: Psychology
• Course: PSY100Y5
• Professor: Dax Urbszat

Document Summary

Consciousness the awareness of internal and external stimuli. We still have some degree of awareness when we"re asleep or during surgery. William james: created stream of consciousness our consciousness is continuously changing: variations in awareness and control. Can"t tell based on measures if changes in mental states causes brain wave changes or vice versa. Some 3rd factor could be causing those changes. Biological rhythms are periodic fluctuations in physiological functioning. Ex. the daily alternation of light and darkness, annual pattern of seasons, and phases of the moon: the role of circadian rhythms. Circadian rhythms are 24 hour biological cycles found in humans + species. Role: influences regulation of sleep, produces rhythmic variations in blood pressure, urine production, hormonal secretions etc. Believed people generally fall asleep as their body temp. begins to drop and awaken as it begins to ascend once again. Circadian rhythms in humans regulated by multiple internal clocks with a central pacemaker located in scn: ignoring circadian rhythms.