It Seems Inefficient to Need to Rely on So Many

question 47

Multiple Choice

It seems inefficient to need to rely on so many different cues for depth perception. Why, then, do we have so many disparate cues?

• A) We use different cues in different situations.
• B) We are born with the ability to use some cues, but others have to be learned.
• C) Although we have many cues, they are all served by the same neural area, which is efficient.
• D) Some of the cues are always more accurate than other cues.

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Definitions:

Crossing

The act of moving across something, such as a street or river, or a place where paths intersect or overlap.

Dotting

The action of marking or decorating with small drops or spots, often used in various art and design contexts.

Mammal

A class of warm-blooded vertebrate animals characterized by the presence of mammary glands, which in females produce milk for feeding their young.

Unusual

Something that is not common, ordinary, or expected, often arousing interest due to its difference.