AR-HUDs or Augmented-reality head-up displays which provide digital images on the windshields so as to alert the drivers to safeguard themselves from unexpected collisions to Smartphone activity which in turn make the driver exclusively safe. Since, university of Toronto displays that it is threat to driver safety. However, drivers have to split up their attention in order to deal with this kind of added visual information as it was described by the Ian Spence who is known to be the psychology professor. He also investigated what happens when varying sources of information are available in the similar visual field. With this technological advancement, drivers are not only concentrating on what is taking place in the road found around them however they will also attend the warning pop-ups coming to them from windshield present before them.
Ian Spence as well as his students named Sijing Wu and Yuechuan Sun developed two tests so as to calculate the impact of the added visual information. First of all, the participants finish the series of computer-based trials and then they offer information about randomly arranged spots appeared on the screen accurately and quickly as possible when prompted. During some trails, they were able to present the secondary stimulus in the way of black-outlined square. The shape and spots were appeared together and hence the shape was found to be appearing unpredictably in some of the trials.
They also found that the accuracy seems to be greatly high when there was absent of square, information that little attention was needed so as to confirm that square has not appeared. Moreover, when the square appears in addition to limited number of spots, it was found to be missed for one in 15 times approximately. When the spots number gets increased then the rate was climbed to about one in ten chances, suggesting that if attention increases for primary task then there is a difficult in attending secondary task. However, the accuracy in number of spots informed also vanished when the number of spots increases. For real-life situation, such kind of driving seems to be complicated for a driver.
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