Under this ruling, which is often known as the "knowing right from wrong" rule, people are assumed to be sane unless it can be proved that at the time of committing the act they were laboring under such a defect of reason (from a disease of the mind) that they did not know the nature and quality of the act they were doing. Or, if they did know the were committing the act, they did not know that what they were doing was wrong.
a. The American Law Institute Standard
b. The Durham Rule
c. The M'Naghten Rule
d. The Irresistible Impulse Rule