Term
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Definition
| A person's awareness of everything that is going on at any given moment. Most waking hours are spent in waking consciousness. |
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Term
| Altered States of Consciousness |
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Definition
| Shifts in the quality or patter of mental activity. |
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Term
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Definition
| A sleep pattern lasting 24 hours and a product of the hypothalamus, the hormone melatonin, the neurotransmitter serotonin and body temperature. |
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Term
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Definition
| Sleep evolved as a way to conserve energy and keep animals safe from predators that hunt at night. |
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Term
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Definition
| Sleep provides the body with an opportunity to restore chemicals that have been depleted during the day as well as the growth and repair of cell tissue. |
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Term
| The average amount of sleep need by most people is _____. |
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Definition
| 7 to 8 hours within a 24 hour period. |
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Term
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Definition
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Term
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Definition
| Indicated by the presence of sleep spindles, bursts of activity on the EEG. |
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Term
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Definition
| Highlighted by the first appearance of delta waves, the slowest and largest waves. |
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Term
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Definition
| Predominantly delta waves, and the body is at its lowest level of functioning. |
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Term
| Sleepwalking and sleeptalking occur in Stage _____ of sleep. |
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Definition
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Term
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Definition
| Attacks of extreme fear that the victim has while sound asleep. |
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Term
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Definition
| Occurs four to five times a night, replacing Stage One sleep in the sleep-wake cycle, and is accompanied by paralysis of the voluntary muscles. |
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Term
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Definition
| Bad or unpleasant dreams that occur during REM sleep |
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Term
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Definition
| A rare condition in which REM paralysis fails and the person moves violently while dreaming, often acting out the elements of the dream. |
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Term
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Definition
| Used as a defense in numerous murder cases. In some of these cases the defendant has been acquitted because of this defense. |
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Term
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Definition
| Inability to get sleep, stay asleep or get enough sleep. |
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Term
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Definition
| This occurs when a person stops breathing for nearly half a minute or more, followed by gasping for breath. |
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Term
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Definition
| A genetic disorder in which the person suddenly and without warning collapses into REM sleep. |
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Term
| Manifest Content of a Dream |
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Definition
| The actual dream and its events. |
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Term
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Definition
| The symbolic content of a dream (according to Freud) |
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Term
| Activation-Synthesis Hypothesis |
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Definition
| Explanation that states that dreams are created by the higher centers of the cortex to explain the activation by the brain stem of cortical cells during REM sleep periods. |
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Term
| Activation-Information-Mode Model (AIM) |
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Definition
| A revised version of the activation-synthesis explanation of dreams in which information that is accessed ruing waking hours can have an influence on the synthesis of dreams. |
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