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Podcast on One-Eyed Depth Perception - featured April 16, 2010

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[Source: Scientific American]

Eye movements combined with the motion of objects in the field of vision enable some depth perception even with only a single eye. Cynthia Graber reports.

Podcast Transcript: You probably take your depth perception for granted. It allows you to easily judge distances. Each eye sends a different signal to the brain, and the brain compares the two pictures. But even using just one eye, the world doesn’t suddenly appear flat. So how can just one eye provide depth perception? A team at the University of Rochester recently published a possible answer to that question on-line in the journal Nature. It has to do with a small part of our brain called the middle temporal area. This region processes information both from visual cues and from the motion of our eyes.

Listen to this Podcast on Scientific American.com


Tags: News of the Week Visual Perception Newsletter 16 April 2010