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Psychology Ch 3
Term | Definition |
---|---|
Consciousness | our awareness of our-self and the environment |
Cognitive Neuroscience | study of brain activity and cognition |
Dual Processing | information simultaneously processed on different consciousness tracks |
Selective Attention | focusing intensely on a specific thing and disregarding the rest |
Inattentional Blindness | not seeing visible objects because of something that is taking full attention |
Change Blindness | not noticing a change in the environment |
Circadian Rhythm | biological clock that works by temperature on a 24 hour cycle |
REM Sleep | paradoxical sleep that practically paralyzes muscles and has vivid dreams that are mainly negative |
Alpha Waves | slow brain waves that are relaxed, but in an awake state |
Sleep | reversible loss of consciousness that helps restore the body the prepare for the future and protect from danger |
Hallucinations | seeing things that aren't there |
Insomnia | constant trouble falling asleep or staying asleep |
Narcolepsy | sleep disorder in which there are random lapses into REM sleep and there are uncontrollable sleep attacks |
Sleep Apnea | loss of breathing during deep sleep which is snoring and poses repeated awakenings |
Night Terrors | night arousal which is mostly occurring in children during stage 4 sleep when there are terrified for no reason |
Dream | visualizing during sleep |
Manifest Content | Freud's theory when dreams surface meaning |
Latent Content | Freud's theory in which dreams have deep meanings |
REM Rebound | REM sleep debt then sleeping like a baby to recover |
Hypnosis | suggestions that are intensely visualized in a state of consciousness |
Posthypnotic Suggestion | Suggestion during hypnosis that lasts after the person is unhypnotized |
Dissossication | split in consciousness that allows simultaneous thoughts and behaviors |
Psychoactive Drug | chemical substance that affects mood |
Tolerence | getting used to a drug and needing more to get a feeling again |
Withdrawal | symptoms after stopping drug use and it is discomforting and distressful |
Physical Dependence | body's need for a drug |
Psychological Dependence | mind needing a drug |
Addiction | needing a drug physically and psychologically |
Depressants | slows neural activity and body functions and includes alcohol, opiates, and barbituates |
Barbituates | depress central nervous system by reducing anxiety and impairs judgement and memory |
Opiates | morphine, heroine, and they depress neural activity by lessening pain and anxiety |
Stimulants | caffeine, nicotine, amphetamines, cocaine, ecstasy, excites neural activity and speeds body functions |
Delta Waves | large, slow brain waves in deep sleep |
Amphetamines | stimulates neural activity by speeding body functions and giving energy and mood changes |
Metamphetamine | extremely addictive and it excites the central nervous system by speeding body functions, but it reduces baseline dopamine levels |
Ecstasy (MDMA) | mild hallucinogen that produces euphoria. it is a harm to serotonin and mood and cognition |
Hallucinogens | distorts vision by having an absence of sensory input |
LSD | powerful hallucinogen |
Near-Death Experience | altered state of consciousness that is close to death and similar to hallucinogens and a feeling of resurrection |
THC | main ingredient in marijuana and is a mild hallucinogen |
Sleep Stages | stage 1 is relaxed. stage 2 is light, stage 3 is deep sleep, stage 4 is deep sleep,and stage 5 is REM sleep |