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AP Psych- Sleep Test

QuestionAnswer
Split Brain Corpus callosum connects hemispheres. When removed, you have a split Brain patient. Each side acts independently, without awareness of each other.
Which side does each hemisphere control? Right controls left, left controls right
Conciousness state of being awake, able to perceive
Circadian Rhythm natural process that regulates sleep/wake cycle, repeats roughly every 25 hours
What affects Circadian Rhythm? Jet lag and shift work
Which gland is involved in the sleep cycle and what does it do? Pineal gland - secretes melatonin, helps fall asleep
How to avoid jet lag? stay up, get exposed to natural light
Which machine records Brain waves? EEG - helps determine which areas of Brain are active during various mental tasks
Order of Brain Waves Beta, Alpha, Theta, Sleep Spindles, Delta, Beta
How long is each cycle? 90 minutes
NREM Stage 1 Theta waves, drifting in/out of sleep, 5-10 min, Hypnic jerks, hypnagogic images (may think you see flashes of lights/person)
NREM Stage 2 light sleep, 55% f night, sleep Spindles (help block external noise, short bursts of Brain activity) memory consolidation, TWICE EACH SLEEP CYCLE
NREM Stage 3 deepest stage, non rapid eye movement, Delta waves Restoration of resources, decreases throughout night, muscles not paralyzed
Restoration of Resources During NREM Stage 3: process where body and brain replenish energy, repair tissues, remove waste, promote physical/mental well being
REM Sleep rapid eye movements, vivid dreams, muscle paralysis, almost awake (Beta waves) increased Brain activity (memory consolidation, emotional processing) most dreaming
Sleep Cycle Order 1. Stage 1 2. Stage 2 3. Stage 3 4. Stage 2 5. REM
REM Rebound when body increases time spent in REM after a period of REM deprivation, response to lack of REM sleep
Microsleep fleeting, uncontrollable brief sleep, lasting from fraction of a second to 10 seconds (while driving can be deadly)
Narcolepsy SLEEP DISORDER: excessive daytime sleepiness, sudden episodes of muscle weakness (cataplexy) Triggered by strong emotions, straight into REM sleep
Sleep Apnea SLEEP DISORDER: pauses in breathing, or shallow breathing during sleep. Leads to disrupted sleep patterns, daytime fatigue, other health issues
REM Sleep Behavior Disorder SLEEP DISORDER: people physically act out dreams during REM sleep (potentially cause injury to themselves or others, loss of muscle paralysis)
Somnambulism SLEEP DISORDER: sleepwalking, occurs during Stage 3
Night Terrors SLEEP DISORDER: high arousal an appearance of being terrified. you look awake, scream, cry. (stage 3, not remembered)
Nightmares SLEEP DISORDER: vivid and terrifying dreams, muscles are paralyzed (REM, not remembered)
Insomnia SLEEP DISORDER: difficulty falling asleep, staying asleep, or experiencing restorative sleep
Activation Synthesis Theory that dreams are the result of random neural activity in the brainstem
Consolidation Theory Theory that dreams play a role in the memory consolidation and processing of memories
Created by: elladunmire
 

 



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