Psychology Ch. 4 2
Terms
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- alteration in consciousness that occurs seemingly without effort, typically when we want to momentarily escape the demands of the real world
- daydreaming and fantasy
- factors of our biological clock
- metabolism, stomach activity, alertness, body temp., blood pressure, and level of most hormone rhythms
- waves that mirror the sense of relaxed wakefulness that we experience; irregular and low voltage
- alpha waves
- sleep stage characterized by rapid eye movement; where most vivid dreams occur
- REM
- non rapid eye movement stages of sleep that alternate with REM stages during the sleep cycle
- Non-REM
- stage with "tight" and very low amplitude, slow pulse, muscle relaxation, side to side eye movement, sleeper is easily aroused
- Stage 1
- stage where brainwaves increase in amplitude and become slower; heart rate, blood pressure, and temp. drop
- Stage 2&3
- stage when brain emits delta waves; heart rate, blood pressure, and temp. are as low as possible; occuurs in 15-20 min segments with lighter sleep in between
- Stage 4
- vivid visual and auditory experiences that occur primarily during REM periods of sleep
- dreams
- 20% of sleep walking and sleep talking occur during
- REM sleep
- most sleep walking and sleep talking occurs in
- Stage 4 (delta)
- sleep disorder characterized by difficulty in falling asleep or remaining sleep thru out the night
- insomnia
- sleep disorder characterized by breathing difficulty during the night and feeling of exhaustion during the day
- apnea
- hereditary sleep disorder characterized by nodding off during the day and sudden loss of muscle tone floowing movements of emotional excitement
- narcolepsy
- consequences of sleep deprivation
- reaction time slows, behavior becomes unpredictable, accidents and errors in judgement increase, and productivity and the ability to make decisions decline
- any of the various methods of concentration, reflection, or focussing of thought undertaken to suppress the activity of the sympathetic nervous system
- meditation
- trencelike state in which a person responds readily to suggestions(means by which hypnosis occurs)
- hypnotic suggestions
- our awareness of various cognitive processes such as sleeping, daydreaming, concentrating, and making decisions
- consciousness
- mental state that differs noticeably from normal waking consciousness
- altered state of consciousness
- stage of sleep characterized by irregular, low-voltage alpha waves and a relaxed wakefulness
- twilight
- the extreme reduction of sensory stimuli
- sensory deprivation