From: Science
Six ways your body changes your perception
February 17, 2016
Science:
Can you jump that gap? Will you even try? Your visual system helps you make such decisions by warping and stretching the things you look at according to your physical traits or abilities, says Jessica Witt, a cognitive psychologist at Colorado State University, Fort Collins. Rather than showing us the world as it is, our vision toys with things like slope and distance. The harder a task, the more it seems to magnify before our eyes. These visual biases may have evolved to help us make quick decisions, letting us know at a glance which tasks to tackle. At the annual meeting of AAAS (which publishes Science) in Washington, D.C., Witt described several ways our physical abilities change what we see.
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