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What is size constancy?

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Published on Mar 12, 2012

Goodale Lab Post Doctoral Fellow Irene Sperandio explains size constancy. Neuroscientists from Western University have taken the all-important first step towards understanding the neural basis of size constancy or the ability to see an object as having the same size despite the fact that its image on the retina changes constantly with viewing distance. The findings were revealed this week by Nature Neuroscience in a study titled, "Retinotopic activity in V1 reflects the perceived and not the retinal size of an afterimage."

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