psyc_vocab - Chapter 4 States of Consciousness states of...

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Chapter 4 – States of Consciousness states of consciousness : varying degrees of awareness of ourselves and the external world biological rhythms : cyclic changes in body processes circadian rhythms : cyclic changes in bodily processes occurring within a single day suprachiasmatic nucleus : a portion of the hypothalamus that seems to play an important role in the regulation of circadian rhythms morning people : individuals who experience peak levels of energy and physiological activation relatively early in the day night people : individuals who experience peak levels of energy and physiological activation relatively late in the day automatic processing : processing of information with minimal conscious awareness controlled processing : processing of information involving relatively high levels of conscious awareness intuition : refers to cognitive events and processes of which we are not fully aware and that we cannot readily describe in words sleep : a process in which important physiological changes (e.g. shifts in brain activity, slowing of basic bodily functions) are accompanied by major shifts in consciousness electroencephalogram (EEG) : a record of electrical activity within the brain. EEGs play an important role in the scientific study of sleep electromyogram (EMG) : a record of electrical activity in various muscles alpha waves : rapid, low amplitude brain waves that occur when individuals are awake but relaxed delta activity : slow, high amplitude brain waves (3.5 Hz or less) that occur during several stages of sleep but especially during stage 4
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REM sleep : a state of sleep in which brain activity resembling waking restfulness is accompanied by deep muscle relaxation and movement of the eyes. Most dreams occur during periods of REM sleep insomnias : disorders involving the inability to fall asleep or maintain sleep once it is attained narcolepsy : a sleep disorder in which individuals are overcome by uncontrollable periods of sleep during waking hours cataplexy : a symptom of narcolepsy in which individuals fall down suddenly somnambulism : a sleep disorder in which individuals actually get up and move about while still asleep night terrors : extremely frightening dreamlike experiences that occur during non-REM sleep apnea : a sleep disorder in which sleepers stop breathing several times each night and thus
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psyc_vocab - Chapter 4 States of Consciousness states of...

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