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Updated: Aug 5, 2026
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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
Published on: July 16, 2015
Spatial and Temporal Characteristics of Distractor-Induced Repulsion Effect in Visual Working Memory: A Behavioral
Jiafeng Zhang1, Jing Zhou2, Xuemin Zhang1,3,4
1Beijing Key Laboratory of Applied Experimental Psychology, National Demonstration Center for Experimental Psychology Education (Beijing Normal University), Faculty of Psychology, Beijing Normal University, Beijing, China.
Psychophysiology
|July 28, 2026
Summary
Memory repulsion in visual working memory is influenced by distractor distance and color. This effect emerges in later cognitive stages, not early perception, clarifying how we filter visual information.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Visual Perception
Background:
- Relation-based distractors in visual working memory can cause a memory repulsion effect.
- The spatial limits and cognitive timing of this effect are not fully understood.
Purpose of the Study:
- To investigate the spatial modulation and temporal dynamics of the memory repulsion effect.
- To determine if the effect depends on absolute distance or a fixed attentional window.
- To identify the neural correlates and cognitive stage of distractor filtering.
Main Methods:
- Two experiments were conducted, manipulating target-distractor spatial distance and color.
- Experiment 1 used behavioral measures to assess the repulsion effect across distances.
- Experiment 2 combined behavioral measures with electroencephalography (EEG) to analyze neural activity.
Main Results:
- The repulsion effect weakened with increasing distance, supporting an absolute-distance model.
- Repulsion was observed only with different-colored distractors.
- A late positive component (LPC) in EEG correlated with the behavioral repulsion effect, while early N1 activity reflected distance sensitivity.
Conclusions:
- Memory repulsion in visual working memory occurs in post-perceptual stages, not early sensory processing.
- The effect is modulated by absolute spatial proximity and distractor features like color.
- This research elucidates the spatiotemporal mechanisms of filtering relational distractors in working memory.
