Chapter 5: Variations in Consciousness Flashcards
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595027121 | Electroencephalograph | A device that monitors the electrical activity in the brain | |
595027122 | Electromyograph | A device that records muscle activity and tension | |
595027123 | Electrooculograph | A device that records eye movements | |
595027124 | Biological Rhythms | Periodic fluctuations in physiological functioning | |
595027125 | Circadian Rhythms | The 24-hour biological cycles found in humans and many other species | |
595027126 | REM sleep | Sleep involving rapid eye movements | |
595027127 | Non-REM sleep | Sleep stages 1 through 4, which are marked by an absence of rapid eye movements | |
595027128 | Ascending reticular | Consists of the afferent fibeers running through the reticular formation that influence physiological arousal | |
595027129 | Narcotics | Drugs that are derived from opium that are capable of relieving pain | |
595027130 | Insomnia | Involves chronic problems in getting adequate sleep | |
595027131 | Narcolepsy | A disease marked by sudden and irresistable onsets of sleep during normal waking hours | |
595027132 | Sleep apnea | Reflexive grasping for air that awakens a person and disrupts sleep | |
595027133 | Night terrors | Abrupt awakenings from NREM sleep accompanied by intense autonomic arousal and feelings of panic | |
595027134 | Nightmares | Anxiety arousing dreams that lead to awakening, usually from REM sleep | |
595027135 | Somnambullism | Occurs when a sleeping person arises and wanders about in deep NREM sleep | |
595027136 | Hypnosis | A systematic procedure that typically produces a heightened state of suggestibility | |
595027137 | Dissociation | Involves a splitting off of mental processes into two separate, simultaneous streams of awareness | |
595027138 | Meditation | A family of medical excersises in which a conscious attempt is made to focus attention in a nonanalytical way | |
595027139 | Psychoactive drugs | Chemical substances that modify mental, emotional, or behavioral functioning | |
595027140 | Slow-wave sleep (SWS) | Sleep stages 3 and 4, in which low-frequency delta waves become prominent in EEG recordings | |
595027141 | Sedatives | Drugs that have sleep-inducing and behavioral depression effects | |
595027142 | Stimulants | Drugs that tend to increase central nervous system activation and behavioral activity | |
595027143 | Hallucinogens | A diverse group of drugs that have powerful effects on mental and emotional functioning, marked most prominently by distortions in sensory and perceptual experience | |
595027144 | Cannabis | The hemp plant from which marijuana, hashish, and THC are derived | |
595027145 | Alcohol | A variety of beverages containing ethyl alcohol | |
595027146 | Tolerance | A progressive decrease in a persons responsiveness to a drug | |
595027147 | Physical dependence | A condition that exists when a person must continue to take a drug to avoid withdrawal illness | |
595027148 | Psychological dependence | A condition that exists when a person must continue to take a drug to satisfy mental and emotional craving for the drug | |
595027149 | Manifest content | Freud's term that refers to the plot of a dream at the surface level | |
595027150 | Latent content | Freud's term that refers to the hidden or disguised meaning of events in a dream | |
595027151 | Lucid dreams | Dreams in which persons are aware that they are dreaming | |
595027152 | MDMA | A drug, also known as ecstacy, compounded from both amphetamine and hallucinogens that produces a short-lived high |