EEG and Sleep Stages

Name:

 

Class:
 
 
 

1)  Howās the brainās electrical activity recorded?  Be specific?
 
 
 
 
 
 
 
 
 

2)  Identify the characteristics of the brain waves associated with each sleep stage.

     Stage 1:

 
 
 

     Stage 2:
 
 
 
 

     Stage 3:
 
 
 
 

     Stage 4:
 
 
 
 

     REM:
 
 
 
 

3) A friend tells you that she has been having terrible nightmares but canāt remember them

    when she awakens.  In an effort to help her, you decide to spend the night observing her
    as she sleeps and awakening her when you think a dream is occurring.  How are you able
    to detect that she is dreaming?  On the basis of what you have learned from the Sleep
    Simulation, what would you notice about the occurrence and length of the sleep stages?

 
 
 
 
 
 
 
 

4)  Briefly describe 2 major purposes of sleep.