Psychology: States of Consciousness
Terms
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- insomnia
- recurring problems in falling or staying asleep
- sleep
- periodic, natural, reversible loss of consciousness
- hypnosis
- a social interaction in which one person suggests to another that certain perceptions, feelings, thoughts or behaviors will spontaneously occur
- consciousness
- our awareness of ourselves and our environment
- THC
- the major active ingredient in marijuana
- delta waves
- the large, slow brain waves associated with deep sleep
- REM sleep
- rapid eye movement sleep, a recurring sleep stage during which vivid dreams commonly occur
- manifest content
- according to Freud, the remembered story line of a dream
- psychological dependence
- a psychological need to use a drug, such as to releive negative emotions
- near-death experience
- an altered state of consciousness reported after a close brush with death
- posthypnotic amnesia
- supposed inability to recall what one experienced during hypnosis
- alpha waves
- the relatively slow brain waves of a relaxed, awake state
- dissociation
- a split in consciousness which allows some thoughts and behaviors to occur simultaneously with others
- depressants
- drugs that reduce neural activity and slow body functions
- psychoactive drug
- a chemical substance that alters perceptions and mood
- REM rebound
- the tendency for REM sleep to increase following REM sleep deprivation
- circadian rhythm
- the biological clock; regular bodily rhythms that occur on a 24-hour cycle
- posthypnotic suggestion
- a suggestion, made during a hypnosis session, to be carried out after the subject is no longer hypnotized
- night terrors
- a sleep disorder characterized by high arousal and an appearance of being terrified
- narcolepsy
- a sleep disorder characterized by uncontrollable sleep attacks
- hallucinations
- false sensory experiences, such as seeing something in the absence of an external visual stimulus
- LSD
- a powerful hallucinogenic drug
- opiates
- opium and its derivates, which depress neural activity
- hidden observer
- Hilgard's term describing a hypnotized subject's awareness of experiences, that go unreported during hypnosis
- sleep apnea
- a sleep disorder characterized by temporary cessations of breathing during sleep and consequent momentary reawakenings
- dream
- a sequence of images, emotions, and thoughts passing through a sleeping person's mind
- latent content
- according to Freud, the underlying meaning of a dream
- amphetamines
- drugs that stimulate neural activity, cuaisng speeded-up body functions and associated energy and mood changes
- stimulants
- drugs that excite neural activity and speed up body functions
- selective attention
- the focusing of conscious awareness on a particulus stimulus
- hallucinogens
- psychedelic drugs, such as LSD, that distort perceptions and evoke sensory images in the absence of sensory input
- physical dependence
- a physiological need for a drug, marked by unpleasant withdrawal symptoms when the drug is discontinued
- tolerance
- the diminishing effect with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experiencing the drug's effect
- barbiturates
- drugs that depress the activity of the CNS
- ecstasy
- a synthetic stimulant and mild hallucinogen; produces euphoria and social intimacy