There Are a Number of Depth Cues, and We Rely

question 47

Multiple Choice

There are a number of depth cues, and we rely on all of them depending on the situation in which we find ourselves as perceivers. Why, according to some theorists, did natural selection favor a system influenced by so many cues, especially given that the information provided by these cues is so often redundant?

• A) Different cues become important in different circumstances.
• B) Certain cues drop out of function as we get older and more experienced in a world of objects.
• C) Each cue is executed by a different specific brain region, and each of these brain regions operates independently of the others.
• D) Natural selection always favors redundancy of function, so the case of perception is not unique.

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