Ch. 4
EOG
electro-oculograph Recording movement of eye Tells when you're dreaming
euphoric high
feelings of intense elation and pleasure
obstructive sleep apnea
occurs when an individuals airway becomes blocked during sleep
external stimuli
seeing sunlight feeling warm hearing friend's voice
stage 1
stage of sleep where both respiration and heartbeat slow down Theta waves Hypnagogic hallucinations- don't happen every night
Sigmund freud
theorist described dreams as having manifest and latent content
theta wave
type of low frequency and low amplitude of brain wave
homeostasis
when you get hot you sweat to cool down when you are cold you get chill bumps and shiver to warm up
Stage zero
Alpha waves Relax, not asleep but close Normal muscle tone
Consciousness
Awareness of ourselves and our environment demonstrated by recall
Ultraradian rhythm
Basic test activity cycle 90min cycle all day long Found in pons
EKG
Electrocardiograph Make sure you're still breathing
EEG
Electroencephalograph Recording electrical det. of brain
EMG
Electromyograph Recording of muscles
Levels of sleep
Energy conversation Safety and survival at night Body restoration Brain restoration
Unconscious
Events outside our awareness
Conscious
Events/mental processes that you are aware of
Amplitude
Height
Polysomonograph
How you can study sleep
Preconscious
Just outside mental awareness that we can retrieve Ex: random trivia
Subconscious
Mental process that alter our emotions/ thoughts/ actions but is difficult to bring into awareness Ex: divorce at a young age
Suprachiasmatic
Nucleus of the hypothalamus SCN
narcolepsy
Samek was driving to work when he suddenly felt paralyzed and couldn't resist falling asleep. Samek probably has ____________
Frequency
Speed
Sleep
State of altered consciousness
psychological dependence
Tariq depends on cigarettes to relieve his stress but has no physical symptoms since he smokes infrequently.
Nonconsciousness
Things removed from your awareness by your brain Ex: maintaining blood pressure
Zetigebers
Time giver
Free running rhythm
Without zeitgebers Over 24.5 hours
