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24 Cards in this Set
- Front
- Back
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Consciousness
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Our awareness of ourselves and our environment
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Biological Rhythms
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periodic fluctuations in our bodies physiological states, including annual variations in appetite, 90-minute sleep cycles, the 28-day menstrual cycle, and circadian rhythms.
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Circadian Rhythm
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any regular bodily rhythm, such as body temperature and sleep-wakefulness, that follows a 24-hour cycle.
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REM Sleep
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(Rapid Eye Movement) the sleep stage in which the brain and eyes are active, the muscles are relaxed, and vivd dreaming occurs; also known as paradoxical sleep.
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Alpha Waves
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the relatively slow brain waves characteristic of an awake, relaxed state.
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Sleep
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the natural, periodic, reversible loss of consciousness, on which the body and mind depend for healthy functioning.
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Hallucinations
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are false sensory experiences that occur without sensory stimulus
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Delta Waves
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are the large, slow brain waves associated with deep sleep.
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Insomnia
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a sleep disorder in which the person regularly has difficulty in falling or staying asleep.
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Narcolepsy
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a sleep disorder in which the victim suffers sudden, uncontrollable sleep attacks, often characterized by entry directly into REM
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Sleep Apnea
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a sleep disorder in which the person ceases breathing while asleep, briefly arouses to gasp for air, falls back asleep, and repeats this cycle throughout the night.
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Night terror
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when a person suffers episodes of high arousal with apparent terror. Night terrors usually occur during STAGE 4 sleep.
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Dreams
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are vivid sequences of images, emotions, and thoughts, the most vivid of which occurs during REM sleep.
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Freud's Theory of Dreaming
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Manifest content is the remembered story line
Latent content is the underlying but censored meaning of a dream |
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REM rebound
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the tendency for REM sleep to increase following REM sleep deprivation
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Hypnosis
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a social interaction in which one person (the hypnotist) suggests to another (the subject) that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur.
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Posthypnotic Suggestion
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a suggestion made during hypnosis session that is to be carried our whne the subject is no longer hypnotized.
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Dissociation
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a split between different levels of consciousness, allowing a person to divide attention between two or more thoughts.
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Psychoactive Drugs
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includes stimulants, depressants, and hallucinogens- are chemical substances that alter mood and perception. They work by affecting or mimicking the activity of neurotransmitters.
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Tolerance
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the diminishing of a psychoactive drug's effect that occurs with repeated use, requiring progressively larger doses in order to produce the same effect.
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Withdrawal
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the discomfort and distress that follow the discontinued use of addictive drugs.
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Physical Dependence
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a physiological need for a drug that is indicated by the presence of withdrawal symptoms when the drug is not taken
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Addiction
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a compulsive craving for a drug despite adverse consequences and withdrawal symptoms
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Depressants
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Psychoactive drugs, such as alcohol, opiates, and barbiturates, that reduce neural activity and slow body functions.
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