All 3 Uses

artificial
in
Flowers for Algernon -- Novel
(Edited)

He had always been straightforward with me—more so than most of the others—but when he described the white mouse who had been given intelligence, he was as pompous and artificial as the others.
p. 157.7 *

artificial = not genuine (trying to impress)
The hypothesis here proved may be described most simply in the following terms: Artificially-induced intelligence deteriorates at a rate of time directly proportional to the quantity of the increase.
p. 255.1 *

artificially = done with human technology
Yet, I am grateful for the little bit that I here add to the knowledge of the function of the human mind and of the laws governing the artificial increase of human intelligence.
p. 255.6

artificial = created by humans rather than occurring naturally

Definitions:

(1) (artificial as in: an artificial heart)
made by humans -- often to replace something that can be found in nature
(2) (artificial as in: an artificial smile)
not sincere, pretended, or designed to impress
(3) (meaning too rare to warrant focus)