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Chapter Four Psych Terms


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An awareness of the sensations, thoughts, and feelings that one is attending to at a given moment
A state of awareness consisting of the sensations thoughts , and feelings, that one is focused on at a given moment
Cocktail party phenomenon
The ability to attend selectively to one person's speech in the midst of competeing conversations
Selective attention
The ablility to focus awareness on a signle stimulus, as in the cocktail party phenomenon
Divided attention
The ability to distribute one's attention and simultaneously engage in two or more activities
Stroop Test
A color-naming task that demonstrates the automatic nature of highly practiced activities such as reading
Subliminal messages
A stimulus that is presented below the threshold for awareness
The tendency for a recently presented word or concept to facilitate, or "prime" responses in a subsequent situation.
A condition stemming from damage to the temporal lobes that disrupts the ability to recognize familiar faces
A condition caused by damage to the visual cortex in which a person encodes visual information without awareness
Biological Rhythm
Any periodic, more or less regular fluctuation in a biological organism
Circadian Rhythm
A biological cycle, such as sleeping and waking, that occurs approximately every 24-hours.
A brief episode of sleep that occurs in the midst of a wakeful activity
Presleep, alert
Beta waves
Presleep, relaxed
Alpha waves
Non-REM, stage one
Theta waves
Non-REM, stage two
Spindle waves
Non-Rem, Stage four
Delta waves
The rapid eye movement stage of sleep associated with dreaming
Lucid Dreaming
A semiconscious dream state in which a sleeper is aware taht he or she is dreaming
Manifest content
Freud, the content of a dream that is remembered in the morning
Latent content
Freud, the unconscious meaning of a dream
Activation-synthesis theory
The theory that dreams result from the brain's attempt to make sense of random neural signals that fire during sleep
The inability to fall asleep, stay asleep, or get the amount of sleep needed to function during the day.
A sleep disorder characterized by irresistable and sudden attacks of REM sleep during the day.
Sleep apnea
A disorder in which a person repeatedly stops breathing during sleep and awakends gasping for air.
REM Sleep behavior disorder (RBD)
A condition in which the skeletal muscles are not paralyzed during REM sleep, enabling a sleeper to act on his or her nightmares, often violently.
Attention-focusing procedures in which changes in a person's behavior or mental state are suggested
Hynotic Susceptibility
The extent to which an individual is characteristically responsive to hypnosis
Post-hypnotic Suggestion
A suggestion made to a subjecct in hypnosis to be carried out after the induction session is over
Post hypnotic amnesia
A reported tendency for hypnosis subjects to forget events that occurred during the induction
A term referring to the unsubstantiated claim that hypnosis can be used to facilitate the retieval of past memories.
A division of consciousness that permits one part of the mind to operate independently of another part
psychoactive drug
A chemical taht alters perceptions, thoughts, moods, or behaviors
Physical dependence
A physiological addiction in which a drug is needed to prevent symptoms of withdrawl
psychological dependence
A condition in which drugs are needed to maintain a sense of well-being or relief from negative emotions
A class of depressant drugs that slow down activity in the CNS
A class of drugs that excite the CNS and energize behavior
Psychedelic drugs that distort perceptions and cause hallucinations
A class of highly addictive drugs taht depress neural activity and provide temporary relief from pain and anxiety

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