How Do Psychologists Know That the Hypothalamus and Neural Pathways

Multiple Choice

How do psychologists know that the hypothalamus and neural pathways involving dopamine regulate the ability to experience reward?

A) Rats will refuse to repeatedly press a lever to receive electrical stimulation in the areas of the hypothalamus.
B) Humans are unable to report pleasure when specific areas in the hypothalamus are electrically stimulated.
C) Rats will repeatedly press a lever to receive electrical stimulation in the areas of the hypothalamus and humans report pleasure when specific areas in the hypothalamus are electrically stimulated.
D) Humans will pay unethical surgeons to have electrodes implanted to self-stimulate their hypothalamus.