Sleep spindles are: (Multiple Choice)

Sleep spindles are:
 
  A) the high-amplitude, low-frequency waves that are associated with Stage 4 sleep
  B) the high amplitude, slow waves that occur in a relaxed, drowsy state
  C) the sporadic short bursts of neural activity that occur during Stage 2 sleep
  D) the low-amplitude, irregular waves that occur during Stage 1 sleep
  E) the way your hair looks when you wake up

Question 2

The spotlight theory of consciousness centers on:
 
  A) focus
  B) maps
  C) metaphor
  D) light
  E) imagery

Question 3

Maribel is hooked up to an EEG in a sleep lab. She has been asleep for just over an hour when her EEG starts to show low amplitude, irregular wave patterns.
 
  Her hands and feet begin to twitch, and her eyes begin
  to dart back and forth under her eyelids. The researcher who is monitoring Maribel's sleep can conclude that
  Maribel:
  A) has just entered Stage 4 sleep
  B) has just entered REM sleep
  C) suffers from narcolepsy
  D) is having a seizure
  E) is experiencing severe case sleep apnea and needs medical attention

Question 4

Descartes related the ________ as the connection to the conscious soul.
 
  A) heart
  B) liver
  C) visual cortex
  D) brain
  E) pineal gland