Attentional capture increases when attention is diffused
DOI: 10.4992/pacjpa.74.0_2ev147
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Summary
This study investigates the relationship between the spatial distribution of attention and the magnitude of attentional capture, specifically testing the hypothesis that attentional capture increases when attention is diffused rather than focused. The research addresses a gap in understanding how the state of attentional allocation modulates the involuntary capture of attention by salient distractors. The authors conducted two experiments using a rapid serial visual presentation (RSVP) paradigm. In Experiment 1, sixteen participants viewed a stream of characters where a target was preceded by a distractor. The study manipulated the temporal interval between the distractor and the target (SOA) to induce different states of attentional diffusion. Results indicated a significant effect of attentional state on capture magnitude, with $F(2,30)=7, p<.005$. Post-hoc tests revealed that capture was significantly greater when attention was diffused compared to when it was focused ($ps<.05$). In Experiment 2, eighteen participants performed a similar task, but with a different manipulation of attentional distribution. The results again showed a significant effect, $F(2,34)=5.4, p<.01$. Post-hoc comparisons confirmed that attentional capture was significantly larger under conditions of diffused attention compared to focused attention ($ps<.05$). The findings were consistent with previous work by Folk et al. (2002, 2009) and Inukai et al. (in press), which suggested that the degree of attentional capture is not fixed but varies depending on the current state of attentional allocation. The significance of these findings lies in the demonstration that attentional capture is a dynamic process dependent on the spatial distribution of attention. When attention is diffused across a larger area, the system is more susceptible to capture by salient distractors. This implies that the vulnerability to distraction is not solely a property of the stimulus but is modulated by the observer's internal attentional state. These results have implications for understanding visual search efficiency and the mechanisms underlying selective attention, suggesting that strategies to maintain focused attention can mitigate the impact of salient distractors.
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| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | Crossref | — | — | 1 | 2026-06-11 |
| archive | success | canonical_url | — | — | 1 | 2026-06-25 |
| extract | success | cached | — | — | 6 | 2026-08-22 |
| clean | success | clean | — | — | 1 | 2026-06-26 |
| chunk | success | chunk | — | — | 1 | 2026-06-26 |
| embed | success | embed | Qwen/Qwen3-Embedding-8B | — | 1 | 2026-06-26 |
| enrich | failed | — | — | — | 5 | 2026-07-05 |
| promote | success | — | — | — | 1 | 2026-06-11 |
| summarize | success | llm | qwen3.8-27b-gittensor | summ-v5 | 5 | 2026-08-22 |
| tag | success | vector_similarity | — | — | 10 | 2026-08-11 |
| verify | success | — | — | — | 2 | 2026-08-08 |
Summary generated by qwen3.8-27b-gittensor on 2026-08-22; verification: pending re-verification.
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