An Analysis Of Eye Movement In The Effect Of Road Load And Visual Search Task On Drivers’ Inattentional Blindness

Driving is a need for continuous monitoring of the visual environment, constantlyfiltering visual information to ensure attention to the most important clues to the situation.Drivers while driving need to pay attention not only to the information of the road,but also tomonitoring the situation of the sides of the road, and search the target. As the search for theobject will induces distraction and decrease the ability of information processing, and thenaffecting the overall driving performance.To explore the effect of road load and visual search task on drivers’ inattentionalblindness, this research used eye movements technique to analyze the39novice drivers’ and17experienced driver’s eye movement data，examined the simple and complex road traffic,pedestrians and taillights unexpected stimulus, novice drivers and experienced drivers, lowcognitive load and high cognitive load, as well as the relevance of the unexpected stimulusimpact on the driver inattentional blindness phenomena. And results reflected, as theperceptual load and cognitive load increases, the rate of inattentional blindness of driversincreases, and the rate of detection of unexpected targets decline. The following are someconclusions:1. The Fixation Duration of the complex traffic is lower than the simple traffic, while theFixation Count of the complex traffic is more than simple traffic.2.The accurate rate of pedestrian unexpected stimulate was higher than the taillightexpected stimulate. Under simple traffic conditions, the Fixation Duration and Total FixationDuration of the pedestrian unexpected stimulate ware more than the taillight expectedstimulate, while under complex traffic conditions, the Total Fixation Duration and FixationCount of the taillight expected stimulate was more than the pedestrian unexpected stimulate.3.Participants who under the low cognitive load Total Fixation Duration and FixationCount are more than that under the high cognitive load. As the level of cognitive loadincreases, the accurate rate of unexpected pedestrian question declines, and the Total FixationDuration and Fixation Count of the unexpected pedestrian decline.4. For the experienced drivers，the accurate rate of unexpected pedestrian relevant questions was higher than the unexpected pedestrian irrelevant question.5.The accurate rate of unexpected pedestrian question in the simple traffic of experienceddrivers is higher novice drivers, while the Fixation Duration of novice drivers was more thanexperienced drivers.