Regarding the Experiments Using Intracranial Self-Stimulation, Which of the Following

Multiple Choice

Regarding the experiments using intracranial self-stimulation, which of the following statements is FALSE?

A) When rats self-administer nicotine, they are even more likely to engage in intracranial self-stimulation because nicotine further increases the sensitivity of the pleasure pathways.
B) After the rats had pressed the intracranial self-stimulation lever to exhaustion, they were less likely to press the lever again once they were revived.
C) Intracranial self-stimulation involves electrical stimulation of the limbic system of the brain.
D) Intracranial self-stimulation is considered to be a primary reinforcer.