January 23, 2014 | David

I'm sure my body language shows people a lot about what I'm thinking. But could the pupils of my eyes give away the answer to a decision I'm about to make?

Yes, say scientists. When they were deliberating over a tricky visual perception task, the amount people's pupils widened could predict if they'd end up choosing a positive or negative answer. I wonder if the effect is big enough to notice in real-life situations? And if so, who might want to get their hands on this technology?

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Pupil Eye

Scientists aren't sure why people's pupils widen when they're thinking hard.

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Image: Flickr/~Dezz~

1 comments on 'Wide eyes tell your future'

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July 3, 2014 at 14:26

I think this is very good. now people are able to become better at reading people's minds. this helps many people, like teachers they can tell if a pupil is not getting the question and is easy to help.

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