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Published on: August 29, 2018
Visual search facilitation in repeated displays depends on visuospatial working memory.
Angela A Manginelli1, Franziska Geringswald, Stefan Pollmann
1Department of Experimental Psychology, University of Magdeburg, Germany.
Experimental Psychology
|July 20, 2011
Summary
Contextual cueing improves visual search through implicit learning. This process requires visuospatial working memory, as demonstrated by disruptions when this memory is concurrently loaded.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Perception
Background:
- Contextual cueing enhances visual search efficiency via incidental, implicit learning.
- The role of working memory in contextual cueing is debated, with some suggesting minimal reliance.
Purpose of the Study:
- To investigate the involvement of visual working memory resources in contextual cueing.
- To differentiate the impact of visuospatial versus nonspatial working memory loads on contextual cueing.
Main Methods:
- Participants performed a visual search task with repeated distractor configurations.
- Concurrent working memory loads were manipulated using visuospatial (e.g., location tracking) and nonspatial (color matching) tasks.
- A control experiment assessed general attentional effects of dual-tasking.
Main Results:
- Contextual cueing was significantly impaired under a visuospatial working memory load.
- No disruption of contextual cueing was observed with a nonspatial (color) working memory load.
- Control experiments confirmed that the disruption was specific to visuospatial load, not general attention.
Conclusions:
- Visuospatial working memory is necessary for effective contextual cueing.
- This finding suggests that matching current visual displays to learned spatial configurations relies on visuospatial working memory resources.
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