The sensitization of which brain pathway is thought to be responsible for the emergence of stereotyped behaviors with excessive, long-term drug administration?
a. The nigrostriatal dopamine pathway
b. The mesolimbic dopamine pathway
c. The tuberoinfundibular dopamine pathway
d. The mesocortical dopamine pathway
e. Sensitization of all of the above pathways is responsible for the emergence of stereotyped behaviors.
Answer: A
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