Variations in Consciousness
on pages 172 to 213
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| 3265180512 | Biological rhythms | Periodic fluctuations in physiological functioning. | 0 | |
| 3265180513 | Circadian rhythms | The 24-hour biological cycles found in humans and many other species. | 1 | |
| 3265180514 | Slow-wave sleep (SWS) | Sleep stages 3 and 4, during which high amplitude, low frequency delta waves become prominent in EEG recordings. | 2 | |
| 3265180515 | REM sleep | A relatively deep stage of sleep marked by rapid eye movements, high-frequency, low-amplitude brain waves, and vivid dreaming. | 3 | |
| 3265180518 | Insomnia | Chronic problems with getting adequate sleep. | 4 | |
| 3265180519 | Narcolepsy | Sudden and irresistible onsets of sleep during normal waking periods. | 5 | |
| 3265180521 | Nightmares | Anxiety-arousing dreams that lead to awakening, usually from REM sleep. | 6 | |
| 3265180522 | Night terrors | Abrupt awakenings from NREM sleep accompanied by intense autonomic arousal and feelings of panic. | 7 | |
| 3265180524 | Manifest content | The plot of a dream at a surface level. | 8 | |
| 3265180525 | Latent content | The hidden or disguised meaning of the events in the plot. | 9 | |
| 3265180526 | Hypnosis | A systematic procedure that typically produces a heightened state of suggestibility. | 10 | |
| 3265180528 | Meditation | A family of practices that train attention to heighten awareness and bring mental processes under greater voluntary control. | 11 | |
| 3265180529 | Psychoactive drugs | Chemical substances that modify mental, emotional, or behavioral functioning. | 12 | |
| 3265180530 | Narcotics | Drugs derived from opium that are capable of relieving pain. | 13 | |
| 3265180533 | Stimulants | Drugs that tend to increase central nervous system activation and behavioral activity. | 14 | |
| 3265180535 | Canabis | The hemp plant from which marijuana, hashish, and THC are derived. | 15 | |
| 3265180538 | Tolerance | A progressive decrease in a person's responsiveness to a drug. | 16 | |
| 3265180540 | Psychological dependence | A person must continue to take a drug to satisfy intense mental and emotional craving for the drug. | 17 | |
| 3265180541 | Lucid dreams | Dreams in which people can think clearly about the circumstances of waking life and the fact that they are dreaming, yet remain asleep in the midst of a vivid dream. | 18 | |
| 3265191912 | electroencephalograph (EEG) | 19 | ||
| 3265191913 | ethnocentrism | The tendency to view one's own group as superior to others and as the standard for judging the worth of foreign ways. | 20 | |
| 3265193146 | displacement | Diverting emotional feelings (usually anger) from their original source to a substitute target. | 21 | |
| 3265193147 | hierarchy of needs | list of needs (couldn't find this definition) | 22 | |
| 3265193166 | survey | A descriptive research method in which researchers use questionnaires or interviews to gather information about specific aspects of subjects' behavior. | 23 | |
| 3265195380 | just noticeable difference (JND) | The smallest difference in stimulus intensity that a specific sense can detect. | 24 | |
| 3265201125 | motion parallax | images of objects at different distances moving across the retina at different rates. | 25 | |
| 3265201126 | opponent process theory | Color perception depends on receptors that make antagonistic responses to three pairs of colors. | 26 | |
| 3265202159 | neurons | Individual cells in the nervous system that receive, integrate, and transmit information. | 27 | |
| 3265202160 | action potential | A brief shift in a neuron's electrical charge that travels along an axon. | 28 | |
| 3265203563 | peripheral nervous system | All the nerves that lie outside the brain and the spinal cord. | 29 |
