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The color-word Stroop effect driven by working memory maintenance.

Yi Pan1, Yu Han2, Wuheng Zuo3

  • 1Department of Psychology, Hangzhou Normal University, Hangzhou, China. yipan@hznu.edu.cn.

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Summary
This summary is machine-generated.

Active internal maintenance of color words in working memory critically contributes to the working memory Stroop effect. This interference impacts color identification, demonstrating a link between working memory and attention.

Keywords:
AttentionPrimingStroop effectWorking memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Behavior

Background:

  • Working memory can influence cognitive tasks, similar to external stimuli.
  • The precise role of active internal maintenance in the working memory Stroop effect was previously unclear.

Purpose of the Study:

  • To determine if active internal maintenance of a color word is essential for the working memory Stroop effect.
  • To investigate the interplay between working memory, attention, and interference effects.

Main Methods:

  • Participants performed a color-identification task after viewing congruent or incongruent color words.
  • Encoding strategies and maintenance demands were controlled across four experiments.
  • Experiment 5 examined the temporal dynamics of the working memory Stroop effect and its impact on memory.

Main Results:

  • The congruency effect was significantly larger when color words were actively maintained in working memory.
  • The working memory Stroop effect persisted over time during the retention interval.
  • Color identification tasks negatively impacted working memory, especially on incongruent trials.

Conclusions:

  • Active internal maintenance of color words plays a critical role in the working memory Stroop effect.
  • Working memory and attention are intricately linked, influencing each other's performance.
  • Findings deepen the understanding of how internal cognitive states affect perception and memory.