How Salience and Goals Affect Eye Movements During Visual Search
Author Information
Author(s): Siebold Alisha, van Zoest Wieske, Donk Mieke
Primary Institution: Vrije Universiteit Amsterdam
Hypothesis
The study investigates how salience-driven and goal-driven processes unfold during visual search over multiple eye movements.
Conclusion
The results indicate that salience-driven effects are brief and primarily influence initial eye movements, while subsequent movements are guided by goal-driven processes.
Supporting Evidence
- Initial saccades are primarily influenced by salience when made quickly after stimulus onset.
- Second saccades are unaffected by salience and are consistently goal-driven.
- Salience-driven effects are time-dependent and diminish after approximately 200 ms.
Takeaway
When looking for something, our eyes first get pulled by bright or colorful things, but after a moment, we start to look for what we really want instead.
Methodology
Participants searched for a target in visual displays while their eye movements were recorded, analyzing the influence of salience and response time on saccades.
Limitations
The study's findings may not generalize to dynamic scenes or real-world visual searches.
Participant Demographics
Participants were aged 18 to 26, with 11 out of 12 being female and all reporting normal or corrected-to-normal vision.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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