Rats are more likely to engage in intracranial self-stimulation if they also self-administer a drug that further increases the sensitivity of the pleasure pathways in the brain. This drug is
A)alcohol.
B)nicotine.
C)LSD.
D)heroin.

Question

Quizplus · Accepted Answer

Nicotine increases the sensitivity of the brain's pleasure pathways, making rats more likely to engage in behaviors like intracranial self-stimulation, which directly stimulates these pathways.

Rats Are More Likely to Engage in Intracranial Self-Stimulation If