FlashcardsChapter04
Activation-synthesis theory
A theory of dreaming; this theory proposes that the brain tries to make sense of random brain activity that occurs during sleep by synthesizing the activity with stored memories. (page 140)
Addiction
Drug use that remains compulsive despite its negative consequences. (page 148)
Change blindness
A failure to notice large changes in one’s environment. (page 129)
Circadian rhythms
Biological patterns that occur at regular intervals as a function of time of day. (page 133)
Consciousness
One’s subjective experience of the world, resulting from brain activity. (page 122)
Dreams
Products of an altered state of consciousness in which images and fantasies are confused with reality. (page 139)
Hypnosis
A social interaction during which a person, responding to suggestions, experiences changes in memory, perception, and/or voluntary action. (page 143)
Insomnia
A disorder characterized by an inability to sleep that causes significant problems in daily living. (page 135)
Meditation
A mental procedure that focuses attention on an external object or on a sense of awareness. (page 145)
Narcolepsy
A sleep disorder in which people experience excessive sleepiness during normal waking hours, sometimes going limp and collapsing. (page 136)
Obstructive sleep apnea
A disorder in which a person, while asleep, stops breathing because his or her throat closes; the condition results in frequent awakenings during the night. (page 136)
REM sleep
The stage of sleep marked by rapid eye movements, paralysis of motor systems, and dreaming. (page 135)
Subliminal perception
The processing of information by sensory systems without conscious awareness. (page 132)
Traumatic brain injury (TBI)
Impairments in mental functioning caused by a blow to or very sharp movement of the head. (page 124)