PY- CH 4.1-4.2 Flashcards Preview

Psychology 1 > PY- CH 4.1-4.2 > Flashcards

Flashcards in PY- CH 4.1-4.2 Deck (22):
1

consciousness

a state of awareness of ourselves and of the world around us

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states of consciousness

levels of consciousness ranging from alert wakefulness to deep sleep

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focused awareness

a state of heightened alertness in which one is fully absorbed in the task at hand

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drifting consciousness

a state of awareness characterized by drifting thoughts or mental imagery, daydreaming

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daydreaming

a from of consciousness during a waking state in which one's mind wanders to freaky thoughts or fantasies

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divided consciousness

a state of awareness characterized by divided attention to two or more tasks or activities performed at the same time

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altered states of consciousness

states of awareness during wakefulness that are different than the person's usual waking state

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circadian rhythm

the pattern of fluctuations in bodily processes that occur regularly each day (like sleep-wake cycles, body temperature, heart rate)

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rapid-eye-movement (REM) sleep

the stage of sleep that include rapid eye movements and that is most closely associated with periods of dreaming

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ordinary wakefulness

fast, low-amplitude beta waves

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relaxed wakefulness

rhythmic alpha waves

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stage 1 sleep

smal, irregular brain waves

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stege 2 sleep

appearance of spindle-shaped waves called sleep spindles

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stage 3/Stage 4 sleep

appearance of large, slow delta waves

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lucid dreams

dreams in which the dreamer is aware that he or she is dreaming

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sleep-wake disorders

a diagnostic category of psychological or mental disorders involving disturbed sleep patterns

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insomnia

difficulty falling asleep, remaining asleep, or returning to sleep after nighttime awakenings

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narcolepsy

a sleep-wake disorder characterized by sudden unexplained "sleep attacks" during the day

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narcolepsy

a sleep-wake disorder characterized by sudden unexplained "sleep attacks" during the day

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sleep apnea

temporary cessation of breaking during sleep

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nightmare disorder

a type of sleep-wake disorder involving a pattern of frequent, disturbing nightmares

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sleep terror disorder

a type of sleep-wake disorder involving repeated episodes of intense fear during sleep, causing the person to awake abruptly in a terrified state