PSCH 100 Chapter Notes - Chapter 5: Barbiturate, Disinhibition, Alcoholic Drink
Document Summary
Home > chapter 05 - variations in consciousness. Consciousness allows thinking through courses of action and their consequences. Then to choose the best course without having to try all the bad http://www. course-notes. org/print/14947. Chapter 05 - variations in consciousness ones. iii. Forethought and planning are valuable conscious adaptations: consciousness & brain activity i. electroencephalograph (eeg) measures electrical activity in the brain. ii. Internal clocks control many functions like sleep, hormones, urine, etc. ii. Melatonin hormone that adjusts biological clocks: ignoring circadian rhythms i. Going to sleep at an irregular time causes poorer quality of sleep. Affecting many conscious processes: realigning circadian rhythms i. Taking melatonin reduces effects of irregular circadian rhythms, reducing jet. Lag: sleep & waking cycle, electromyograph (emg) records muscular activity and tension, electrooculograph (eog) records eye movement, stages of sleep sleep cycles through 5 stages, stages 1-4 non-rem sleep (nrem) i. Stage 1 brief transitional stage of light sleep: hypnic jerks muscular contractions occur during stage 1. ii.
