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The eye... the older it is, the more attentive it becomes!

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anzianità occhio

It is the reason why their sight may be “confused”: with aging, in fact, the filter that allows both rejecting unnecessary visual information or to select those that come to brain, is lost.

An experiment made on ten old people and ten young people at Brown University of Providence and reported by ANSA reveals this: they had to recognize the numbers on a background full of images, source of distraction, as moving points. By progressive test repetition, both old and young people were improving their performances in recognizing numbers.

But it came out that only old people were capable of referring also direction of the points, even if ithis informaton was not requested. In a certain sense, as underlined by the research,it is as if old people saw more, and their brain learnt more, getting more information, included useless details, that young eye,can instead select.

 

ottica scauzillo

Source: Division of Ophtalmology, Brown Alpert Medical School

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