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阅读理解
A person has two hands, two legs and two eyes, but it is only at first sight that a human being is symmetric(对称的)．Firstly, we have a leading hand, the right one for the majority of people．Secondly, we have a leading eye．It has been found that the right eye is the leading one for about two thirds of all people, and the left one for one third of all people．The experiment involved only right-handed students．Some of them had a right leading eye, and the others had a left leading eye．All of the subjects in this experiment were asked to read a passage on the computer screen, the passage being placed either in the right or in the left part of the screen．It turned out that the“left-eyed”subjects read the text quicker when it was placed on the left, than when the passage was placed on the right．As for the“right-eyed”individuals, no such differences were noticed with them．
More detailed analysis has since proved that when the“left-eyed”people were reading the left-side text, the brain perceived more symbols than in case of reading the right-hand text．This is directly connected with the speed of reading as the more symbols a glance perceives, the quicker a person reads．There is one more sign of the successful execution of reading：in the course of reading, the reader's glance periodically(周期性的)returns back to words already read．Thus, in the left-sided text, the“left-eyed”subjects made fewer returns than they did in the right-sided text, which meant they were more successful in recognizing“left”text than“right”text．In addition to this, the majority of the“left-eyed”persons performed faster quick eye movements to the left than to the right．
It allows designers to take the leading eye into account when producing various kinds of video-products．
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