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5.08 Cognitive Distraction Answers

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 Cognitive Distraction
These tasks require mind-off-the-road. Researcher Green found out that the tasks which are not visually demanding like day dreaming or listening to a long speech in phone could increase the probability of crashes. Two different conditions and a control condition were compared with 24 participants actively participating in it [5].

Fig.2.1: Experimental results for cognitive distraction [5]
III. Factors affecting Driver performance and Accident Hazard
Many levels of driver distraction are there depending on how it influences and impacts on the driver performance and accident hazard in different possible manners. Driving performance depends on various interrelated factors: ability of the user, experience of the user, driving task complexity, design and the activities with in-vehicle technologies. Performance of driving are defined in terms of following three measures: …show more content…

In a real traffic situation, 15 subjects were tested when performing different tasks using a Driver Information System (DIS).There are 8 various classes in driving. The results can be seen in the above figure 2.3.
Researchers Liang and Lee differentiated the effects of various types of distraction on driving performance in a medium simulator study: visual, cognitive distraction and a combination of both. The results showed that visual distraction more often interferes with driving performance than cognitive one and it dominates the performance during the combination of both. They finally drew in to a conclusion that for an effective driving performance, visual demand and voice interaction are particularly very much important in tackling of above issues. Fig.2.4: Lateral control performance conditions

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