Cognitive distraction impairs drivers' anticipatory glances: An on-road study
DOI: 10.17077/drivingassessment.1546
archive: archived pipeline: cataloged verified
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Summary
This paper introduces the SPIDER framework (Scanning, Predicting, Identifying, Decision making, Executing a response) to explain how cognitive distraction impairs driving. Motivated by the rising incidence of distraction-related injuries, the authors review existing literature to identify specific cognitive processes degraded when attention is diverted from driving. The authors synthesize findings from simulator, on-road, and naturalistic studies. Key evidence includes eye-tracking data showing distracted drivers fixate centrally, neglecting peripheral threats. An on-road study revealed that cell phone use reduced anticipatory glances by 11–15% near intersections. Other studies demonstrated that distraction halves recognition memory for visible objects (inattentional blindness), increases unsafe lane changes by 11%, and delays brake reaction times by 10–40%. Results indicate that secondary tasks impair all SPIDER components, degrading situation awareness. Distraction restricts visual scanning, hinders hazard prediction, causes failure to identify objects, leads to poor decisions, and slows responses. The paper argues that drivers cannot effectively self-regulate; those most impaired are often least aware of their deficits. While experimental data consistently show increased crash risk, naturalistic studies show conflicting results, potentially due to methodological limitations. The significance lies in providing a mechanistic model for distraction, linking cognitive failures to safety outcomes. The framework helps distinguish between proactive and reactive self-regulation and guides the integration of in-vehicle technologies. It suggests that any activity diverting attention compromises the driver’s mental model of the environment, thereby increasing crash risk regardless of the driver’s perceived ability to multitask.
Key finding
Cognitive distraction reduces the frequency and quality of anticipatory glances, impairing drivers' ability to visually scan for upcoming road hazards even when eyes remain on the road.
Methodology
on_road
Sample size: 25
Provenance
The full processing record for this entry. Every stage of this paper's journey through the pipeline is logged — what ran, with which tool and model, how many attempts it took, and when it last completed. Discovered via tag_papers on 2026-05-30 (3 acquisition events logged).
| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | — | — | — | 1 | 2026-05-06 |
| archive | failed | pmc | — | — | 12 | 2026-06-04 |
| extract | success | pdf_extracted | — | — | 2 | 2026-06-07 |
| clean | success | — | — | — | 1 | 2026-06-01 |
| chunk | success | — | — | — | 1 | 2026-06-01 |
| embed | success | — | — | — | 1 | 2026-06-02 |
| enrich | success | openalex | — | — | 4 | 2026-07-02 |
| promote | success | — | — | — | 2 | 2026-06-06 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 2 | 2026-06-07 |
| tag | success | vector_similarity | — | — | 17 | 2026-06-11 |
| verify | success | — | — | — | 1 | 2026-05-07 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-07; verification: verified.
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Information type
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- Empirical Findings: behavioral performance data, observational prevalence
- Methodological Resource: measurement protocol