Term
| In general, the _____ and animal the more sleep it needs. |
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Definition
| Smaller--in order to hide from predators! |
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Term
| During this sleep stage it is difficult to awaken and easy to fall back asleep. Nightmares and cauchemar dreams occur. |
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Definition
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Term
| What two stages of sleep are Slow Wave Sleep when Mixed THETA and DELTA activity occurs? |
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Definition
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Term
| What sleep stage is called Paradoxical Sleep when beta, alpha and theta waves occur w high levels of dysynchronicity? |
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Definition
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Term
| During REM sleep you are ____ awakened and dreams can be reported. |
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Definition
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Term
| During this sleep stage rolling eye movements are seen in EDG and hypnogogic dreams occur. |
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Definition
| Stage II, falling asleep. |
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Term
| Newborns exhibit _____ sleep, later a child's sleep gradually becomes restricted to nighttime only. |
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Definition
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Term
| What adaptive sleep pattern is seen in the elderly? |
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Definition
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Term
| In REM sleep EMG shows lack of _____ _____. |
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Definition
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Term
| What are Hypnogogic dreams? What sleep stage do they occur during? |
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Definition
| Brief snatches of really scary dreams. Stage 2. |
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Term
| What are Cauchemar dreams? DUring what stage do they (and nightmares) occur? |
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Definition
| When you feel like something is pressing down on you. During SWS stages 3 and 4. |
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Term
| Which sleep stage is drowsiness and quiet rest? |
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Definition
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Term
| Which sleep stage is the FALLING asleep stage? |
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Definition
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Term
| What waves are seen in sleep stage 2 while falling asleep? |
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Definition
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Term
| What EEG waves are seen during quiet resting of stage 1? |
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Definition
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Term
| Which hormone is secreted during SWS? |
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Definition
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Term
| Which sleep stage INCREASES the most after sleep deprivation? Which sleep stage makes up most of restorative sleep after deprivation? |
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Definition
| REM increases the most, SWS makes up the bulk of restorative sleep time. |
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Term
| REM sleep is associated with _____ and improvement of tasks involving _____. |
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Definition
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Term
| Routine exercise _____ increase SWS and there is ____ increase in protein synthesis. |
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Definition
| DOES NOT INCREASE SWS...NO INCREASE. |
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Term
| What two functions does sleep theoretically serve? |
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Definition
| adaptive and restorative (ESP the brain to enhance LEARNING.) |
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Term
| Arousal and wakefulness are associated with what areas of the brain? Which NT's are associated with alert wakefulness? |
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Definition
| Locus Coeruleus, Norepinephrine. (also SE) |
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Term
| Sleepiness and Slow Wave Sleep are associated with which areas of the brain? |
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Definition
| Nucleus of the Solitary tract and basal forebrain suprachiasmatic nucleus |
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Term
| Which NT stimulates REM sleep? Which area of the brain increases firing during REM sleep? |
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Definition
| ACh increases, increased firing in the HIPPOCAMPUS. |
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Term
| How long is transient insomnia? Short term? Chronic? |
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Definition
| a few days, a few weeks, weeks to years. |
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Term
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Definition
| complete paralysis during wakefulness that is a sx of narcolepsy. |
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Term
| Destruction of these cells in the hypothalamus causes narcolepsy. |
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Definition
| Hypocretin (orexin), a peptide. |
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Term
| What are the effects of BZD's on sleep? |
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Definition
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Term
| BZD's are not effective longer than___ months. |
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Definition
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Term
| What are three characteristics of the perfect sleep drug? |
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Definition
| Short half life, rapid absorption, specific receptor binding |
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Term
Effects of sleep debt?Glucose tolerance was lower in the sleep-debt
condition than in the fully rested condition (p<0· 02), as were
thyrotropin concentrations (p<0· 01). Evening cortisol
concentrations were raised (p=0· 0001) and activity of the
sympathetic nervous system was increased in the sleep-debt
condition |
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Definition
| Glucose tolerance is lower, ↓thyrotrophin conc, SNS tone goes up,Cortisol secretion in evening is higher, |
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Term
| The frequency and duration of awakenings tends to _____ w/ age. |
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Definition
| Increase (fr 1-2 times per night in adolescence) |
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Term
| Circadian rhythms develop ______ and gradually ____ w/ advancing age. |
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Definition
| Within the first few months...decrease. |
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