REM sleep is beneficial because the locus coeruleus is ____ during that sleep stage, which improves the functioning of neurons that use ____ in the brain.
a. active; norepinephrine
b. active glutamate
c. inactive; norepinephrine
d. inactive; glutamate
Question 2
Paula taught her dog to lie down every time she rang a hand bell. However, the dog began to apply this command even to the sound of a doorbell. In this scenario, the dog's action of lying down as a response to a similar stimulus is due to a tendency called__________.
A) general adaptation
B) discrimination
C) spontaneous recovery
D) generalization
E) Select