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40 Cards in this Set

  • Front
  • Back
our awareness of ourselves and our environment
cognitive neuroscience
the interdisciplinary study of the brain activity linked with cognition.

(perception, thinking, memory, language)
dual processing
the principle that information is often simultaneously processed on separate conscious and unconscious tracks.
selective attention
the focusing of conscious awareness on a particular stimulus.
inattentional blindness
failing to see visible objects when our attention is directed elsewhere.
change blindness
failing to notice changes in the environment
circadian rhythm
regular bodily rhythms (temperature, wakefulness) that occur on a 24-hour cycle.

"the biological clock"
REM sleep
rapid eye movement sleep

a recurring sleep stage during which vivid dreams commonly occur.

(aka paradoxical sleep)
alpha waves
relatively slow brain waves of a relaxed, awake state.
periodic, natural, reversible loss of consciousness.

(distinct from unconsciousness resulting from a coma, anesthesia or hibernation)
false sensory experiences - seeing something in the absence of an external visual stimulus
delta waves
large, slow brain waves associated with deep sleep.
recurring problems in falling or staying asleep.
sleep disorder characterized by uncontrollable sleep attacks.
sleep apnea
sleep disorder characterized by temporary cessations (stopping) of breathing during sleep and repeated momentary awakenings.
night terrors
sleep disorder characterized by high arousal and an appearance of being terrified.

Seldom remembered.
a sequence of images, emotions and thoughts passing through a sleeping person's mind.
manifest content
the remembered story line of a dream, according to Freud.
latent content
the underlying meaning of a dream, according to Freud.
REM rebound
the tendency for REM sleep to increase following REM sleep deprivation (created by repeated awakenings during REM sleep)
a social interaction in which one person (charge) suggests to another (subject) that certain perceptions, feelings, thoughts or behaviors will spontaneously occur.
posthypnotic suggestion
a suggestion, made during a hypnosis session, to be carried out after the subject is no longer hypnotized.

(used by some clinicians to help control undesired symptoms and behaviors)
a split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others.
psychoactive drug
a chemical substance that alters perceptions and moods.
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.
the discomfort and distress that follow discontinuing the use of an addictive drug.
physical dependence
a physiological need for a drug, marked by unpleasant withdrawal symptoms when the drug is discontinued.
psychological dependence
a psychological need to use a drug, such as to relieve negative emotions.
compulsive drug craving and use, despite adverse consequences.
drugs that reduce neural activity and slow body functions.

(alcohol, barbiturates, opiates)
drugs that depress the activity of the central nervous system (CNS), reducing anxiety but impairing memory and judgment.
depress neural activity, temporarily lessening pain and anxiety.

(opium, morphine, heroin)
drugs that excite neural activity and speed up body functions.

(amphetamines, cocaine, ecstasy)
drugs that stimulate neural activity, causing speeded-up body functions and associated energy and mood changes.
powerfully addictive drug that stimulate the central nervous system (CNS) with speeded-up body functions and associated energy and mood changes.

Over time, reduces baseline dopamine levels.
(MDMA) a synthetic stimulant and mild hallucinogen. Produces euphoria and social intimacy, but with health risks to serotonin-producing neurons, mood and cognition.
psychedelic drugs that distort perceptions and evoke sensory images in the absence of sensory input.

"Mind manifesting;"
a powerful hallucinogenic drug.

(lysergic acid diethylamide)
the major active ingredient in marijuana; triggers a variety of effects including mild hallucinations.

near-death experience
an altered state of consciousness reported after a close brush with death.

Similar to drug-induced hallucinations.