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QUESTION
Following chronic exposure to drugs of abuse, there is a ________ in intracranial self-stimulation thresholds suggesting a ________ hedonic set...
27. Following chronic exposure to drugs of abuse, there is a ________ in intracranial self-stimulation thresholds suggesting a ________ hedonic set point.
a. Increase; higher
b. Increase; lower
c. Decrease; higher
d. Decrease; lower
e. None of the above
