Jimmy looks at a picture of a side of a submarine that has dents and bumps on it. When he turns the picture upside-down, what he originally perceived as bumps, now look like dents, and vice versa. This is due to _____.
A) figure-ground reversal
B) the oblique effect?
C) accidental properties of light
D) the "light-from-above" assumption

Question

Quizplus · Accepted Answer

The "light-from-above" assumption explains this phenomenon. Our brains are conditioned to interpret light as coming from above, so when the picture is flipped, our perception of which parts are dented or protruding changes based on this assumption.

Jimmy Looks at a Picture of a Side of a Submarine