Abstract
Objective:
The objective was to identify key cognitive processes that are impaired when drivers divert attention from driving.
Background:
Driver distraction is increasingly recognized as a significant source of injuries and fatalities on the roadway.
Method/Results:
A “SPIDER” model is developed that identifies key cognitive processes that are impaired when drivers divert attention from driving. SPIDER is an acronym standing for scanning, predicting, identifying, decision making, and executing a response.
Conclusion:
When drivers engage in secondary activities unrelated to the task of driving, SPIDER-related processes are impaired, situation awareness is degraded, and the ability to safely operate a motor vehicle may be compromised.
Application:
The pattern of interference helps to illuminate the sources of driver distraction and may help guide the integration of new technology into the automobile.
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