PSYC 1001 Chapter Notes - Chapter 5: Slow-Wave Sleep, Theta Wave, Retina
Document Summary
Chapter 5: variations in consciousness: on the nature of consciousness, introduction. Biological rhythms and sleep: the role of circadian rhythms, biological rhythms are periodic fluctuations in physiological functioning. May be effective as a mild sedative, to treat insomnia. Immobilization associated with sleep reduces exposure to predators and other sources: sleep evolved to conserve organisms" energy. Insomnia chronic problem in getting enough sleep: difficulty falling asleep initially, difficulty remaining asleep, and persistent, daytime fatigue, impaired functioning, lower productivity, and health early morning awakening. problems. Chanaps: due to stress, disruptions of biological rhythms, or other temp circumstances. Excessive anxiety and tension, depression, or offshoot of health problems back pain. Due to significant stress: night/sleep terrors abrupt awakenings from nrem sleep accompanied by intense arousal and feelings of panic. Usually a temp problem: somnambulism (sleep walking) when a person arises and wanders about while asleep.
