Test 2: Chapters 4-6 Flashcards
What is the circadian rhythm?
The 24 hr sleep/wake cycle.
What is consciousness?
A state of awareness, waking consciousness, altered state of consciousness.
Where is the suprachiasmatic nucleus and what does it do?
Inside the hypothalamus, tells the pineal gland to start or stop releasing melatonin.
What is the “adaptive theory of sleep”?
Our sleep patterns evolved from trying to avoid predators.
What is the “restorative theory of sleep”?
We sleep to repair, restore and replenish our bodies.
What kind of brainwaves occur during being awake?
Beta
What kind of brain waves occur doing stage one sleep?
Alpha
What kind of brain waves occur during stage two sleep?
Theta
What kind of brain waves happen in stage III sleep?
Theta and delta
What kind of brain waves happen in stage four sleep?
Delta
What kind of brain waves happen in REM sleep?
Beta (paradoxical sleep)
What is the manifest content of dreams?
What actually happened.
What is the latent content of dreams?
The “hidden” meaning, Freud’s wish fulfillment theory.
What is the activation-synthesis hypothesis?
Dreams are caused by random activation of the pons that causes the cerebral cortex to interpret them into dreams.
What is sleepwalking called?
Somnambulism