在大量动视点行车实验的基础上，提出了以“瞳孔面积最大瞬态速度值”(MTPA)为视觉负荷评价指标。

Based on a large number of eye movement driving experiments, the evaluation index of visual overload named "maximum transient velocity value of pupil area" (MTPA) was established.

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该机制在眼动指标上表现为：找到目标所需的注视点个数、首注视点与目标位置的距离以及首注视点为目标位置的可能性不受干扰子空间布局的影响。

And the type of configurations had almost no effect on the number of fixations and the distance of the first saccade from the target and the probabilities of iniatial fixation landed on the target.

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结果注视点总数、注视点平均注视时间、最大瞳孔尺寸和平均瞳孔尺寸指标均差异有显著性。

Results There were significantly difference in fixation count, average fixation duration, pupil size Max and pupil size mean.

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