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14 terms

Chapter 7 Vocab

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consciousness
a state of awareness, including a person's feelings, sensations, ideas, and perceptions
REM sleep
a stage of sleep characterized by rapid eye movements, a high level of brain activity, a deep relaxation of the muscles, and dreaming
circadian rhythm
the rhythm of activity and inactivity lasting approximately one day
insomnia
the failure to get enough sleep at night in order to feel rested the next day
sleep apnea
a sleep disorder in which a person has trouble breathing while asleep
narcolepsy
a condition characterized by suddenly falling asleep or feeling very sleepy during the day
night terrors
sleep disruptions that occur during State IV of sleep, involving screaming, panic, or confusion
hypnosis
a state of consciousness resulting from a narrowed focus of attention and characterized by heightened suggestibility
posthypnotic suggestion
a suggestion made during hypnosis that influences the participant's behavior afterward
biofeedback
the process of learning to control bodily states with the help of machines monitoring the states to be controlled
meditation
the focusing of attention to clear one's mind and produce relaxation
hallucinations
perceptions that have no direct external cause
hallucinogens
drugs that often produce hallucinations
LSD
a potent psychedelic drug that produces distortions of perception and thought