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Related Experiment Video

Updated: Nov 5, 2025

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

Visual working memory items drift apart due to active, not passive, maintenance.

Paul S Scotti¹, Yoolim Hong¹, Andrew B Leber¹

¹Department of Psychology.

Journal of Experimental Psychology. General

|May 20, 2021

Summary

This summary is machine-generated.

Humans actively maintain visual memories by separating them, which can cause repulsion bias. This bias increases with longer delays and attention, suggesting it

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Published on: August 15, 2010

Area of Science:

Cognitive Psychology
Neuroscience
Human Memory

Background:

Humans maintain detailed visual representations in memory.
To reduce confusion, memory representations are implicitly differentiated.
This differentiation can lead to repulsion bias, where memories are recalled biased away from each other.

Purpose of the Study:

To investigate the mnemonic basis of repulsion bias.
To determine if repulsion bias is dependent on active maintenance and attention.
To explore the role of working memory in repulsion bias.

Main Methods:

Utilized a nonretinotopically specific working memory paradigm.
Manipulated working memory delays and item maintenance.
Measured repulsion bias in memory recall.

Main Results:

Stronger repulsion bias was observed with longer working memory delays.
This effect was significant only when items were actively maintained.
Repulsion bias was dependent on attention to internally maintained memory items.

Conclusions:

Repulsion bias can be a mnemonic phenomenon, distinct from perceptual effects.
Mnemonic repulsion bias occurs during active maintenance and requires attention.
Findings support theories of interdependent working memory representations and highlight attention's role in bias.