PSY 102 Midterm: Review Chapter 5 Consciousness
19 Mar 2017
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Document Summary
The biology of sleep: describe sleep paralysis. Consciousness our subjective experience of the world, our bodies, and our mental perspectives: describe the cycle of our circadian rhythm. Circadian rhythm cyclical changes that occur on a roughly 24 hour basis in many biological processes. Biological clock term of the area of hypothalamus that is responsible for controlling our levels of alertness. Stage 1 light stage of sleep which lasts 5-10 minutes our brain activity is down by. 50% producing theta waves 4-7 times per second. Stage 2 sleep our brain waves slow down even more, sudden intense bursts of electrical activity called sleep spindles of about 12-14 cycles a second. Occasional sharp rising and falling of waves known as k complexes, rst appear in the eeg. We spend 65% of our sleep in stage 2. Stage 3 and 4 sleep delta waves are produces in cycles of 1-2 cycles a second.
