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Positional priming of pop-out is nested in visuospatial context
Ahu Gokce1, Hermann J Müller, Thomas Geyer
1Department of Psychology, Ludwig-Maximilians-Universität, München, Germany.
Journal of Vision
|November 28, 2013
Summary
This study reveals distinct facilitatory and inhibitory positional priming effects in visual search. Positional priming influences reaction times based on previous target or distractor locations, depending on stimulus arrangement.
Area of Science:
- Cognitive Psychology
- Visual Perception
- Neuroscience
Background:
- Positional priming influences visual search performance.
- Distinguishing between facilitatory and inhibitory effects is crucial for understanding visual attention.
Purpose of the Study:
- Investigate facilitatory and inhibitory positional priming.
- Differentiate positional priming from configural priming.
- Examine the influence of stimulus arrangement on priming effects.
Main Methods:
- Adapted Maljkovic and Nakayama's (1996) priming of pop-out task.
- Manipulated visuospatial contexts and screen locations across trials.
- Analyzed reaction times (RTs) to targets at previously occupied and empty locations.
Main Results:
- Demonstrated significant facilitatory priming: faster RTs at previous target locations.
- Observed significant inhibitory priming: slower RTs at previous distractor locations.
- Found facilitation depended on exact item configuration repetition, while inhibition was tolerant to changes in visuospatial category.
Conclusions:
- Facilitatory and inhibitory positional priming are distinct phenomena.
- Both priming types are sensitive to stimulus arrangement information.
- Positional priming impacts specific stages of visual pop-out search.
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