In 1960, Eleanor Gibson and Richard Walk conducted an experiment to see whether depth perception is an inborn or a learned skill in humans. They conducted their experiment with a table that had a thick glass surface on half of the table and a solid base on the other half. This created an illusion of a small cliff without the dangers of actually falling. In this experiment, infants ranging from the age of 6 to 14 months were placed on the solid side of the table. The infants' mothers were placed on the other side of table and were there to coax the infants to the other side. Of the 30 infants tested, 27 of them crossed the glass surface when called while only 3 refused.
Gibson and Walk conducted the same experiment on newborn chickens and goats with astonishing results. When chickens and goats were placed on the solid side, not a single one of them made an error to cross the "cliff." The same test was conducted on baby rats whose results fared far worse than the results of the......

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Title: Depth Perception, An Inborn Skill?
Approximate Word Count: 432
Approximate Pages: 2 (250 words per double-spaced page)

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