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36 Cards in this Set

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