A rat learns to press a lever when it receives a reinforcing item, such as a food pellet, upon each press. To learn the connection between the lever press and the receipt of the food pellet, the neurotransmitter ___________ is involved.
a. serotonin
b. norepinephrine
c. dopamine
d. epinephrine
Question 2
Video gamers often find that they are able to beat difficult stages that require accurate timing of button pushes after taking a break from the game. This phenomenon supports the fact that:
a. motor learning is instantaneous.
b. memory of motor behavior is formed during the first three motoric attempts.
c. memory of motor behavior is improved through consolidation.
d. REM and slow wave sleep are not associated with enhanced motor learning.
(A) Pinch along jaw line from midline to lateral aspect. (B) Press St-6 at masseter attachment.
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