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12 Cards in this Set

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Stage 1 Sleep
The state of transition between wakefulness and sleep, characterized by relatively rapid, low-amplitude brain waves.
State 2 Sleep
A sleep deeper than that of stage 1, characterized by a slower, more regular wave pattern, along with momentary interruptions of "sleep spindles."
Stage 3 Sleep
A sleep characterized by slow brain waves, with greater peaks and valley in the wave pattern than in stage 2 sleep.
Stage 4 Sleep
The deepest stage of sleep, during which we are least responsive to outside stimulation.
Rapid Eye Movement (REM) Sleep
Sleep occupying 20 percent of an adult's sleeping time, characterized by increased heart rate, blood pressure, and breathing rate; erections; eye movements; and the experience of dreaming.
Unconscious Wish Fulfillment Theory
Sigmund Freud's theory that dreams represent unconscious wishes that dreamers desire to see fulfilled.
Latent Content of Dreams
According to Freud, the "disguised" meaning of dreams, hidden by more obvious subjects.
Manifest content of Dreams
According to Freud, the overt story line of dreams.
Dreams-for-survival Theory
The thoery suggesting that dreams permit information that is critical for our daily survival to be reconsidered and reprocessed during sleep.
Activation-synthesis Theory
Hobson's theory that the brain produces random electrical energy during REM sleep that stimulates memories lodges in various portions of the brain.
Circadian Rhythms
Biological processes that occur repeatedly on approximately a twenty-four hour cycle.
Daydreams
Fantasises that people construct while awake.