A Rat Is Trained to Self-Administer Cocaine

Multiple Choice

A rat is trained to self-administer cocaine. Saline is substituted for the cocaine solution, which results in extinction of responding. In this situation, the capacity for a "free" shot of cocaine to reinstate responding for cocaine can be blocked by

A) injection of AMPA into the ventromedial prefrontal cortex.
B) injection of a dopamine agonist into the nucleus accumbens.
C) glutamate induced activation of the ventral tegmental area.
D) injection of a dopamine agonist into the prefrontal cortex.
E) injection of glycine into the ventromedial prefrontal cortex.