Chapter 7 Flashcards
When learning a complex behavior, consciousness focuses on our __
concentration
Conscious awareness allows us to exert __ __ & to communicate our mental state. We register and react to stimuli we __ consciously perceive. Unconscious information processing occurs __ on many parallel tracks. Consciousness __ __ the brain events that evoke it. Conscious processing take place in __ (__)
voluntary controldon’tsimultaneouslylags behind sequence (serially)
Consciousness is relatively __ & has limited __ but is skilled at solving __ problems
slowcapacitynovel
__ consciousness: daydreaming, drowsiness, dreaming__ consciousness: hallucinations, orgasm, food or oxygen starvation__ consciousness: sensory deprivation, hypnosis, meditation
SpontaneousPhysiologicalPsychological
Body temp rises as __ comes, peaks in day, dips in afternoon, and drops at __. Thinking is sharpest and memory most accurate when at daily peak in __ arousal.Young: evening-energized “__” Old: morning-loving “__”.Transcontinental flights disrupt our circadian rhythm and we experience __ __. __ __ helps reset our biological clocks; __ activates sensitive retinal proteins that trigger
morningnightcircadianowlslarksjet lagBright light light
Brain’s __ gland decreases (morning) or increases (evening) production of sleep-inducing hormone, ___
pinealmelatonin
Longer awake, more active brain produces and accumulates __, which inhibits certain neurons, making us sleepy (__ blocks __’s activity)Today’s young adults adopt a __-hour day by staying up too late; artificial __ delays sleep
adenosinecaffeineadenosine25light
Sleep is a state we don’t know we are in until we __ it; we don’t remember __ into sleep
leavediving
Stage _ and Stage _ are slow-wave sleep stages in which you are hard to awaken. Stage 1: experience fantastic __ (__); Stage 2: clearly asleep, __ can occur here or later; Stage 3: brain starts emitting large slow __ waves; Stage 4: __ sleep stage with many __ waves
3 & 4images (hallucinations)sleeptalkingdeltadeepdelta
Brain processes certain __ even in deep sleep (baby cry, your name). We process most information __ of our conscious awareness. During REM sleep, heart rate __, breathing is __ and __, eyes __ around in burst of activity under eyelids; __ are aroused in REM sleep except in nightmares
stimulioutsiderisesrapid and irregulardartgenitals
__ blocks messages from brain’s motor cortex, so you are essentially paralyzed. Visual and auditory brain areas are __ during REM sleep and are __ in other stages
Brainstemactiveinactive
Sleep patterns are __ and __ influenced (newborns sleep __ of day, adults sleep __ of day; __ nations sleep less than before. Allowed to sleep unhindered, most humans will sleep at least _ hours a night. With _ hours of sleep, we awaken refreshed, have better moods, perform more efficient and accurate work than those who get less sleep; w/o sleep, you will be terribly __ at times. We accumulate a sleep __ that isn’t paid off by one long night of sleep
genetically and culturally⅔⅓industrialized99drowsydebt
Major effect of lessened sleep is __ and a general __. Teenagers average less than __ hours of sleep and function below their peak. To manage your life with enough sleep to awaken naturally and well rested is to be more __, __, __, and __
sleepinessmalaise7alert, productive, healthy, and happy
We live a __ than optimal life and perform at __ than optimal level, impaired by an amount of sleep __ that we’re not even aware of. With spring forward time, accidents __; with daylight savings time, accidents __.Sleep deprivation reveal __ reaction times and increased __ on visual tasks
lesslessdebtincreasedecreaseslowederrors
Sleep deprivation suppresses __ cells that fight off viral infections and cancer, which helps explain why people who sleep __ hours tend to outlive those chronically sleep deprived. Chronic sleep debt alters __ and __ functioning in ways that mimic aging and are conducive to obesity, hypertension, and memory impairment
immune7-8metabolic and hormonal
Sleep __, suits our ecological niche; helps us __, helps restore and repair brain __; gives resting __ time to repair, while unused connections weaken; also for remembering, restores and rebuilds our fading __ of the day. Sleep plays a role in growth process; __ gland releases a growth hormone in deep sleep
protectsrecuperatetissueneuronsmemoriespituitary
Insomnia complainers get __ sleep than others; common quick fixes (sleeping pills and alcohol) can __ the problem because they __ REM sleep
lessaggravatereduce
Treatment for insomnia: __ before bed, use __ light, avoid __ after late afternoon, avoid __ foods before bed, drink glass of __ (helps manufacture __, facilitates sleep), sleep on a __ schedule, avoid __, __ regularly (not in late evening), hide clock, go to bed __ or __
relax, dim, caffeine, rich, milk, serotonin, regular, naps, exercise, later or earlier
Discovered a gene causing __ in dogs; Discovered absence of a hypothalamic neural center that produces __, an alerting neurotransmitter
narcolepsyhypocretin
After an airless minute, decreased blood oxygen arouses the sleeper to __ and __ in air for a few seconds; process can repeat __ times, depriving the person of __-__ sleep
awaken and snort400slow-wave
Sleep apnea mostly affects __ __; increased rate of traffic __; loud __. Sleep apnea sufferers are often __ of their disorder. Treatment: mask device with an air pump that keeps the __ open and breathing __
overweight menaccidentssnoringunawareairway, regular
__ __ target mostly children, who may sit up or walk, talk incoherently, double heart and breathing rates, and appeared terrified; seldom wake up __ during an episode
night terrorsfully
__ is usually harmless and unrecalled next morning; usually return to bed on own
Sleepwalking
Awaken people during or within __ minutes after REM sleep and hear a vivid dream account
3
Dreams are notable for their __ imagery, discontinuities, and incongruities, and for the dreamer’s __ acceptance of the content and later difficulties remembering it
hallucinatorydelusional