Dr. Lanzilotti wants to create a stimulus that will produce an afterimage of a red heart shape against a white background. He should make the heart _____ and the background _____.
A) red; green
B) green; black
C) blue; white
D) pink; red

Question

Quizplus · Accepted Answer

To create an afterimage of a red heart, the heart should be green because the complementary color of green is red. The background should be black to enhance the contrast of the afterimage against a white background.

Dr Lanzilotti Wants to Create a Stimulus That Will Produce