GM is looking at ways in which semi-autonomous driving technologies, which could be available in production vehicles by mid-decade, will influence driver behavior. When drivers were engaged in non-driving activities (think texting), the researchers observed that the participants split their visual attention between the roadway and secondary tasks by making relatively frequent but brief off-road glances. GM and other auto manufacturers are at work adding sensors and automated actions to cars, but the designers are very conscious of the fact that drivers still need to keep an eye on the road to monitor the car and its safety. "One of the things it takes to manage a driver's attention is to keep track of where the driver is paying attention.
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