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Exploring Psychology Ch 3 Flashcards

Myers Exploring Psychology Ch 3 9th Edition

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940943882ConsciousnessAwareness of ourselves and our environment0
940943883Cognitive NeuroscienceThe interdisciplinary study of the brain activity linked with cognition (including perception, thinking, memory, and language).1
940943884Duel ProcessingThe principle that information is often simultaneously processed on separate conscious and unconscious tracks.2
940943885BlindsightA condition in which a person can respond to a visual stimulus without consciously experiencing it3
940943886Selective AttentionThe focusing of conscious awareness on a particular stimulus4
940943887Inattentional BlindnessFailing to see visible objects when our attention is directed elsewhere5
940943888Change BlindessFailing to notice changes in environment6
940943889Circadian Rythmthe biological clock; regular bodily rythms (for example, of tempeture and wakefulness) that occur on a 24 hour cycle.7
940943890REM sleepRapid eye movement sleep, a recurring sleep stage during which vivid dreams commonly occur. Also known as paradoxical sleep, because the muscles are relaxed (except for minor twitches) but other body systems are active.8
940943891Alpha Wavesthe relatively slow brain waves of a relaxed, awake state9
940943892SleepPeriodic, natural loss of consciousness10
940943893HallucinationsFalse sensory experiences, such as seeing something in the absence of an external visual stimulus11
940943894Delta Wavesthe large, slow brain waves associated with deep sleep12
940943895NarcolepsyA sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep, often at inopportune times.13
940943896Sleep ApneaA sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings.14
940943897Night TerrorsA sleep disorder characterized by high arousal and an appearance of being terrified; unlike nightmares, night terrors occur during NREM-3 sleep, within two or three hours of falling asleep, and are seldom remembered15
940943898DreamA sequence of images, emotions, and thoughts passing through a sleeping person's mind. Dreams are notable for their hallucinatory imagery, discontinuities, and incongruities, and for the dreamer's delusional acceptance of the content and later difficulties remembering it.16
940943899Manifest ContentAccording to Freud, the remembered story line of a dream17
940943900Latent ContentAccording to Freud, the underlying meaning of a dream18
940943901REM reboundthe tendency for REM sleep to increase following REM sleep deprivation19
940943902HypnosisA social interaction in which one person (the hypnotist) suggests to another (the subject) that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur.20
940943903Posthypnotic SuggestionA 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.21
940943904DissociationA split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others.22
940943905Psychoactive DrugA chemical substance that alters perceptions and mood23
940943906ToleranceWith repeated use, achieving the desired effect requires larger doses.24
940943907AddictionCompulsive drug craving and use, despite adverse consequences.25
940943908WithdrawlThe disconfort and distress that follow discontinuing the use of an addictive drug26
940943909Physical DependenceA physiological need for a drug, marked by unpleasant withdrawal symptoms when the drug is discontinued27
940943910Psychological DependenceA psychological need to use a drug, such as to relieve negative emotions28
940943911DepressantsDrugs (such as alcohol, barbiturates, and opiates) that reduce neural activity and slow body functions.29
940943912Alcohol DependenceAlcohol use marked by tolerance, withdrawal if suspended, and a drive to continue use.30
940943913BarbituratesDrugs that depress the activity of the central nervous system, reducing anxiety but impairing memory and judgement31
940943914OpiatesOpium and its derivatives, such as morphine and heroin; they depress neural activity, temporarily lessening pain and anxiety.32
940943915StimulantsDrugs (such as caffeine, nicotine, and the more powerful amphetamines, cocaine, and Ecstasy) that excite neural activity and speed up body functions.33
940943916AmphetaminesDrugs that stimulate neural activity, causing speeded-up body functions and associated energy and mood changes34
940943917NicotineA stimulating and highly addictive psychoactive drug in tobacco35
940943918MethamphetamineA powerfully addictive drug that stimulates the central nervous system, with speeded-up body functions and associated energy and mood changes; over time, appears to reduce baseline dopamine levels36
940943919Ecstasy (MDMA)A synthetic stimulant and mild hallucinogen. Produces euphoria and social intimacy, but with short-term health risks and longer-term harm to serotonin-producing neurons and to mood and cognition.37
940943920HallucinogenPsychedelic drugs such as LSD, that distorts perceptions and evoke sensory images in the absence of sensory input38
940943921LSDA powerful hallucinogenic drug; also known as acid (lysergic acid diethylamide).39
940943922Near death experienceAn altered state of consciousness reported after a close brush with death (such as cardiac arrest) often similar to drug induced hallucinations40
940943923THCThe major active ingredient in marijuana; triggers a variety of effects, including mild hallucinations.41
941354054Stages of SleepNREM-1: first stage of falling asleep. May have sensation of falling. NREM-2: more relaxed than NREM-1. Bursts of rapid rhythmic brain activity. Lightly sleep and easy to awaken. NREM-3: During this slow wave sleep (last 30mins) your brain emits large slow delta waves and you are hard to awaken. REM sleep: heart rate rises, breathing becomes rapid and irregular, every 30secs have rapid eye movment.42
941379539Suprachiasmatic NucleusA pair of cell clusters in the hypothalamus that responds to light sensitive retinal proteins: causes pineal gland to increase or decrease production of melatonin, thus modifying our feelings of sleepiness.43

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