Context-dependent modulation of spatial attention: prioritizing behaviourally relevant stimuli

Britt, Noah; Chau, Jackie; Sun, Hong-jin · 2025 · DOAJ

DOI: 10.1186/s41235-025-00612-x

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Summary

This study investigates how behavioral context modulates spatial attention, specifically examining whether drivers automatically prioritize peripheral stimuli that imply potential hazards. The research addresses the gap in understanding how attention is guided not just by individual object features, but by the interaction between a stimulus and its broader behavioral context. Motivated by the concept of "scene grammar" and experience-driven attention, the authors hypothesized that licensed drivers would exhibit enhanced attentional facilitation for pedestrians oriented toward the road (inward) compared to those facing away (outward), but only within a driving context where such orientation signals a potential collision risk. The researchers employed a driving simulator to create a realistic, overlearned behavioral context for participants holding valid driver’s licenses. The experimental design utilized a peripheral cue-target paradigm where participants maintained fixation on a central lead vehicle while processing roadside targets. The primary manipulation involved the orientation of a pedestrian avatar (inward vs. outward) and the position of its arm (up vs. down), which participants had to discriminate. To isolate the effect of the driving context, the study included three control conditions across three experiments: a 2-D stationary context without depth cues (Experiment 1), a 3-D stationary context where the participant’s viewpoint did not move (Experiment 2), and a driving context with an inanimate light-post target instead of a pedestrian (Experiment 3). Reaction times and cueing effects (the difference in reaction time between validly and invalidly cued trials) were measured to assess attentional shifts. The results demonstrated that attentional guidance was strictly context-dependent. In the experimental driving condition, participants showed significantly greater attentional facilitation for inward-facing pedestrians compared to outward-facing ones, indicating faster processing of behaviorally relevant stimuli. This orientation-specific selectivity disappeared in all control conditions. Specifically, removing the 3-D context (Experiment 1) or the forward self-motion of driving (Experiment 2) eliminated the difference in attentional facilitation between pedestrian orientations. Furthermore, when the target was an inanimate object during simulated driving (Experiment 3), no orientation-based attention bias was observed. These findings confirm that the attentional priority was not driven by the visual appearance of the pedestrian alone, but by the combination of the pedestrian’s orientation and the active driving context. The significance of these findings lies in the demonstration that expertise shapes attentional allocation in a context-specific manner. The study provides evidence that drivers develop an "attention set" that automatically prioritizes information implying potential hazards, such as a pedestrian facing the road, even when processing peripheral stimuli. This modulation occurs without overt eye movements, highlighting the efficiency of experience-driven attention in real-world scenarios. The results underscore the importance of considering behavioral context in models of visual attention, suggesting that attention is not merely a response to static visual features but is dynamically modulated by the observer’s goals and environmental interactions.

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StageOutcomeToolModelPromptAttemptsCompleted
discover success DOAJ 1 2026-06-17
archive success unpaywall 1 2026-06-25
extract success cached 2 2026-06-26
clean success clean 1 2026-06-18
chunk success chunk 1 2026-06-18
embed success embed Qwen/Qwen3-Embedding-8B 1 2026-06-18
promote success 1 2026-06-17
summarize success llm qwen3.6-27b-prismaquant summ-v5 1 2026-06-26
tag success vector_similarity 6 2026-06-18
verify success 1 2026-06-26

Summary generated by qwen3.6-27b-prismaquant on 2026-06-26; verification: verified.

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