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36 Cards in this Set
- Front
- Back
Daydreaming
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Provide stimulation and allows you to have positive emotions
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Attention
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State of focused awareness
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Consciousness
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Awareness of the outside world and yourself, including mental processes, etc.
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Preconscious
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Level of consciousness that is outside of awareness but contains feelings and memories that can be brought into conscious awareness.
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Nonconscious
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Level of consciousness devoted to processes completely inaccessible to conscious awareness. Ex. Blood flow
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Unconscious
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Level of consciousness that includes unacceptable feelings, wishes, etc, that are not available to conscious awareness.
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Unconsciousness
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Loss of response to the environment.
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Hypothalamus
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Controls biological clock
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Circadian Rhythms
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Cycles of changes
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Reticular Formation
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Works with thalamus involved in the changes in wakefulness, arousal, and attention.
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Sleep
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Combination of states of consciousness and physiological arousal.
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Electroencephalograms
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Reveal brain waves; shows changes throughout sleep cycle
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Hypnagogic State
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Semi-wakeful state of dreamlike awareness
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Nightmares
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Occur during REM sleep. Dreams from other are less vivid
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Lucid Dreaming
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Ability to be aware of one’s dreams
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Manifest content
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Story line of a dream
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Latent content
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Underlying meaning of a dream
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Activation-synthesis theory
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Proposed by Robert McCarley & J. Alan Hobson; During a dream, pons generates bursts of action potential to forebrain=activation, dreamer tries to make sense of stimulation by creating a story line=synthesis.
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Insomnia
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Inability to fall asleep/stay asleep.
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Narcolepsy
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Suddenly falling into REM sleep
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Sleep apnea
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A sleep disorder; Temporary cessations of breathing
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Night Terrors
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Disruptions in stage 4, child will scream and have intense fear
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Somnambulism
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Sleep walking; rise out of bed/do complex activity, stage 4
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Psychoactive Drugs
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Chemicals that can pass through the blood-brain barrier into the brain to alter perception, thinking, etc
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Psycho. Dependence
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Person has intense desire to achieve drugged state
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Tolerance
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Decreased responsiveness
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Addiction
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Changes in brain chemistry develop; to prevent withdrawal symp
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Withdrawal Symp.
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Include intense cravings and effects opposite of the drug
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Depressants
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Drugs that reduce activity of central nervous system
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Narcotics
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Depress central nervous system/pain reducers
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Stimulants
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Drugs that activate motivational centers/reduce inhibitors
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Hallucinogens
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Drugs that alter moods, distort perceptions, evoke sensory
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Stage 1 of Sleep
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EEG shows theta waves, which are higher in frequency and lower amplitude then beta waves. Hypnagogic State
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Stage 2 of Sleep
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EEG shows high frequency bursts of brain activity and K complexes.
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Stage 3 of Sleep
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Falling more deeply into sleep; EEG shows very high amplitude and very low frequency delta waves
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Stage 4 of Sleep
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Deepest sleep stage; EEG shows mostly delta waves, heart rate, blood flow, temp, etc are reduced, secrete growth hormone
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