分散注意力
任务(项目管理)
积极倾听
认知
人类多任务处理
毒物控制
工作量
帧(网络)
认知负荷
分心驾驶
视觉搜索
心理学
计算机科学
人机交互
工程类
认知心理学
沟通
医学
医疗急救
神经科学
操作系统
系统工程
电信
作者
Francesco Biondi,Jonna Turrill,James R. Coleman,Joel M. Cooper,David L. Strayer
标识
DOI:10.17077/drivingassessment.1546
摘要
This study assessed the impact of cognitive distraction on drivers’ anticipatory glances. Participants drove an instrumented vehicle and executed a number of secondary tasks associated with increasing levels of mental workload including: listening to the radio or audiobook, talking on a handheld or hands-free cellphone, interacting with a voice-based e-mail/text system, and executing a highly demanding task (Operational Span task; OSPAN). Drivers’ visual scanning behavior was recorded by four different high definition cameras and coded offline frame-by-frame. Visual scanning behavior at road intersections with crosswalks was targeted because distraction is one of the major causes of accidents at these locations (NHTSA, 2010a). Despite the familiarity of the locations, results showed that as the secondary-task became more cognitively demanding drivers reduced the amount of anticipatory glances to potential hazards locations. For example, while interacting with a high fidelity voice-based email/text system, the probability of executing a complete scan of the intersection was reduced by 11% compared to the no-distraction control condition. These results document the effects of cognitive distraction on drivers’ visual scanning for potential hazards and highlight the detrimental role of voice based systems on driving behavior.
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