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Updated: Oct 5, 2025
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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
Published on: July 16, 2015
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Interaction between working memory load and the ability to resist interference from negative distractors in dysphoria
Zhi-Jing Huang1,2, Fan-Fan Li1,2, Yu-Ting Zhang1,2
1Key Laboratory of Adolescent Cyberpsychology and Behavior Central China Normal University (CCNU), Ministry of Education, Wuhan, China.
Psych Journal
|January 24, 2022
Summary
Individuals with dysphoria struggle more with negative emotional distractions when cognitive load is high. This suggests working memory (WM) capacity impacts emotional interference, potentially indicating vulnerability to depression.
Area of Science:
- Cognitive Psychology
- Clinical Psychology
- Neuroscience
Background:
- The link between emotional working memory (WM) and depression is known in clinical groups.
- Research in subclinical populations shows inconsistent findings regarding emotional WM and dysphoria.
Purpose of the Study:
- To investigate how working memory load affects the control of emotional interference in dysphoria.
- To compare performance between dysphoric and non-dysphoric individuals on tasks involving emotional distractors.
Main Methods:
- Employed the emotional 2-back (lower WM load) and 3-back (higher WM load) tasks.
- Recruited university students categorized as dysphoric (n=32) and non-dysphoric (n=35).
- Assessed interference from positive, negative, and neutral emotional distractors.
Main Results:
- Dysphoric individuals showed significantly more difficulty resisting negative distractors compared to non-dysphoric individuals.
- This effect was only observed under the higher working memory load condition (3-back task).
Conclusions:
- Dysphoria is associated with increased interference from negative emotional stimuli under high working memory load.
- Both working memory load and emotional valence influence WM performance in dysphoria.
- Impaired ability to resist negative distractors in WM may represent a cognitive vulnerability factor for depression.
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