EEG waves are larger when brain activity decreases because ____.
a. the EEG measures muscle tension, which also decreases
b. neurons are becoming more synchronized
c. neurons are becoming more desynchronized
d. blood flow is increasing
Question 2
With each succeeding stage of sleep (from 1 to 4), ____.
a. breathing and heart rates increase
b. brain activity increases
c. slow, large-amplitude waves increase in number
d. brain waves become smaller