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Psychology > Circadian Rhythm & Sleep > Flashcards

Circadian Rhythm & Sleep Flashcards

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1
Q

Melatonin

A

Hormone manufactured by pineal gland that produces sleepiness.

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2
Q

Electroencephalogram or EEG

A

Graphic rep of brain activity

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3
Q

REM sleep

A

Rapid eye movement

Dreaming and voluntary muscle activity is suppressed

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4
Q

Beta brain waves

A

Waves produced during alert wakefulness

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5
Q

Alpha brain waves

A

Relaxed wakefulness and drowsiness

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6
Q

Hypnagogic hallucinations

A

Vivid sensory phenomena during onset of sleep

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7
Q

Sleep paralysis

A

Temporary condition where one cannot move in the morning or during night

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8
Q

Sleep spindles

A

Bursts of brain activity in stage 2 sleep

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9
Q

K complex

A

Single but high voltage spike of brain activity that characterizes stage 2 sleep

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10
Q

Sleep thinking

A

Vague, bland, thought like rumination a about real life events typically occur during NREN sleep.

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11
Q

Dream or nightmares

A

Occur in REM sleep

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12
Q

Manifest content

A

Freud:

Elements of dream consciously remembered and experienced

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13
Q

Latent content

A

Freud:

Unconscious wishes/thoughts/urges that are concealed in manifest content of dreams

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14
Q

Activation-synthesis model of dreaming

A

Theory that brain activity during sleep produces dream images which are combined by the brain into a dream story

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15
Q

Neurocognative model of dreaming

A

Emphasized continuity of waking and framing cognition and states that framing is like thinking under conditions of reduced sensory input and absence of control

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16
Q

Dyssomnias

A

Disruptions in quality, amount, or timing of sleep

Insomnia, sleep apnea, narcolepsy

17
Q

Parasomnias

A

Sleep disorders
Arousal or activation during sleep or sleep transactions

Sleepwalking, sleep terrors, sleep-related eating disorder, REM sleep behavior disorder

18
Q

Cataplexy

A

Sudden loss of voluntary muscle strength and control that is usually triggered by intense emotion

19
Q

Suprachiasmatic nucleus

A

Cluster of neurons in hypothalamus in brain that governs the timing of circadian rhythms

Psychology (16 decks)

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