Studies of Electrical Intracranial Self-Stimulation Have Influenced the Development of Biopsychological

Studies of electrical intracranial self-stimulation have influenced the development of biopsychological theories of addiction by indicating that

A) the rewarding effects of drugs play a major role in addiction.
B) there are particular areas of the brain that mediate the experience of pleasure.
C) drug withdrawal and drug pleasure are opposite processes.
D) there are particular areas of the brain that mediate pleasure from drugs.
E) the brain mediates pleasure.