Term
| On average, how much sleep do we need? |
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Definition
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Definition
| Only need 4-5 hours of sleep every night |
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Definition
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Term
| Electroencephalograph (EEG) |
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Definition
| Brain-wave machine; amplifies & records electrical activity in the brain |
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Term
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Definition
| Small, fast waves associated with alertness and awakeness |
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Term
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Definition
| Large, slow waves associated with relaxation |
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Definition
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Term
| 2 most basic stages of sleep... |
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Definition
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Term
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Definition
Occurs during stages 1,2,3 & 4; no rapid eye movement occurs
-90% of sleep here is dream-free
-seems to help us recover from daily fatigue |
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Term
| REM (Rapid Eye Movement) Sleep |
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Definition
Associated with dreaming; 90% of our 100% dream time
-Body is in a state of flaccid paralysis during REM so we don't act out our dreams |
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Term
| Why is REM referred to as paradoxical sleep? |
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Definition
| 1)A lot of brain activity occurs during this stage |
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Term
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Definition
| Alpha waves-middle stage between awake & asleep -Hypnic jerk |
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Term
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Definition
| Deep sleep; Sleep spindles appear |
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Term
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Definition
| Short bursts of distinctive brain-wave activity- marks the boundary between being awake & asleep |
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Term
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Definition
| Deeper sleep; Delta Waves appear; very large & slow |
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Term
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Definition
Deepest level of normal sleep;
-almost purely delta waves |
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Term
| When do you pass through all 5 stages? |
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Definition
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Term
| When do the deepest stages occur in the sleep cycle? |
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Definition
| During early part of sleep cycle |
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Term
| REM periods ________ during the night |
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Definition
| increase in length; dreams get longer |
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Term
| What percentage of total sleep time do newborns spend in REM? |
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Definition
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Term
| What percentage of total sleep time do adults spend in REM? |
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Definition
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Term
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Definition
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Term
| What species never sleeps? |
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Definition
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Term
| What are the effects of sleep deprivation? |
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Definition
| Hallucinations & brain cell damage |
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Term
| What is the longest a human has gone without sleep? |
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Definition
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Term
| How long did he rebound after this? |
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Definition
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Term
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Definition
NON REM restores body; stages 1-4 body produces hormone that are restorative to the body (Elite athletes spend more time in non REM b/c they are constantly taking their bodies
REM restores mind; high brain activity restoring the mind |
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Term
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Definition
| Species that don't have many predators sleep more |
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Term
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Definition
| (4 weeks trouble falling asleep is the clinical diagnosis) trouble falling asleep or staying asleep. |
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Term
| How long does it take to become dependent on sleep medications? |
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Definition
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Term
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Definition
| Training yourself to go to bed |
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Term
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Definition
| Pretend not being able to sleep is a good thing |
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Term
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Definition
| Stop breathing in your sleep for some minutes; usually in overweight males over age 50 |
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Term
| Treatment for Sleep Apnea? |
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Definition
| Cpac machine- sleep with oxygen mask on |
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Term
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Definition
| Sleepwalking-(occurs mostly in younger kids)occurs in stages 3 or 4. Sleep terror also happens in 3 or 4. To get over it you need to retrain your brain to have positive thoughts |
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Term
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Definition
| Grinding teeth in sleep; wearing night guard helps |
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Term
| REM Sleep Behavior Disorder |
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Definition
| Body doesn't go into flacid paralysis; usually genetic; at risk for acting out dreams. Solution is to tie them down |
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Term
| Narcolepsy (w/ or w/o Cataplexy) |
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Definition
| Sleep attacks that you cannot prevent. No control over when you fall asleep. Neurological disorder; can last 10 minutes to an hour. Excitement triggers it. Fall right into REM sleep |
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Term
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Definition
| When body falls into a state of paralysis |
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Term
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Definition
| Neurological disorder where people commit violent sexual acts while asleep, no recollection when they wake up |
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Term
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Definition
| Need excessive amount of sleep; episodes can last a few days to months; usually happens in teenagers/young adults in early 20's; can occur 2-12 times a year. Mostly affects males age 15, 3x seen more in males; very rare; no idea what causes it |
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Term
| Psychodynamic (Freudian) Theory |
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Definition
| Believed dreams were wish fulfillment of unconscious desires; gateway to unconscious |
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Term
| Activation-Synthesis Model |
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Definition
| Need to give an explanation for physiological (random) brain activity during sleep |
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Term
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Definition
| You are aware you are dreaming and can control what you do in it |
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Term
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Definition
| Altered state of of consciousness characterized by intensely narrowed attention and increased openness to suggestion; must cooperate to be hypnotized |
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Definition
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Definition
-Produce acts of superhuman strength
-Produce age regression
-Force you to do things against your will |
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Term
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Definition
-Help people relax
-Reduce pain
-Get people to make better progress in therapy |
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Term
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Definition
| Any major reduction in amount or variety of sensory stimulation |
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Term
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Definition
-Sensory enhancement
-Relaxation
-Changing habits |
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Term
| Hallucinations/Vivid images produced are called? |
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Definition
| HYPNOGOGIC HALLUCINATIONS |
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Term
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Definition
| Substance that increases activity in the body & nervous system |
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Term
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Definition
| Substance that decreases activity in the body & nervous system |
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Term
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Definition
| Distorts perception (hallucinations) |
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Term
| What is the difference between drug ABUSE & DEPENDENCE? |
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Definition
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Term
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Definition
| Chemically similar to amphetamine |
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Term
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Definition
| Most frequently used psychoactive drug in North America |
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Term
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Definition
| Psychological dependence of caffeine; Symptoms: insomnia, irritability, loss of appetite, chills, racing heart, elevated blood temperature |
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Term
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Definition
| Believes it is FUTILE for the Government to try to regulate drugs; a person's right to choose |
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Term
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Definition
| The potency of this drug has INCREASED and appears to be causing more problems for younger users |
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