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Our Pupils Adjust As We Imagine Bright And Dark Scenes, University of Oslo Study


12/4/2013 6:58:19 AM

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Conjuring up a visual image in the mind -- like a sunny day or a night sky -- has a corresponding effect on the size of our pupils, as if we were actually seeing the image, according to new research. These findings, published in Psychological Science, a journal of the Association for Psychological Science, suggest that the size of our pupils is not simply a mechanistic response, but one that also adjusts to a subjective sense of brightness.

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