Latency and eye movement measures were used to examine the effects of aging, clutter, and luminance on visual search for traffic signs embedded in digitized images of driving scenes. Initially 14 older and 14 younger observers classified daytime and nighttime traffic scenes as containing low or high amounts of clutter. Next, an independent sample of 14 younger and 14 older participants searched for traffic signs contained within these scenes. Errors were more common among the elderly. Search efficiency declined with increased clutter and with aging. However, relative to the young, older adults did not suffer disproportionately as a result of increased clutter. The methods developed might be profitably employed to assess sign conspicuity and sign acquisition during driving.

译文

使用潜伏期和眼球运动措施来检查老化,混乱和亮度对视觉搜索嵌入驾驶场景数字化图像中的交通标志的影响。最初,有14位年龄较大的观察者和14位年龄较小的观察者将白天和夜间的交通场景归类为包含少量或大量的杂物。接下来,由14名年轻人和14名年龄较大的参与者组成的独立样本搜索了这些场景中包含的交通标志。错误在老年人中更为常见。搜索效率随着混乱和老化而下降。然而,相对于年轻人,老年人并没有因为杂乱增加而遭受不成比例的痛苦。开发的方法可用于评估驾驶过程中的标志显着性和标志获取。

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