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Related Experiment Video

Updated: Sep 11, 2025

Investigation of Synaptic Tagging/Capture and Cross-capture using Acute Hippocampal Slices from Rodents
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Search strategy modulates memory-driven capture.

Bo-Yeong Won1, Weiwei Zhang2

  • 1Department of Psychology, California State University, Chico, 400 W. First St, Chico, CA, 95929, USA. bywon@csuchico.edu.

Attention, Perception & Psychophysics
|August 15, 2025
PubMed
Summary
This summary is machine-generated.

Search strategies influence attentional capture. Working memory (WM) enhances memory-driven capture in feature search more than in singleton detection, showing top-down control over attention.

Keywords:
Attentional captureVisual searchVisual working memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Attentional capture describes how salient stimuli draw attention.
  • Memory-driven attentional capture occurs when working memory contents guide attention.
  • Understanding factors influencing memory-driven capture is crucial for cognitive models.

Purpose of the Study:

  • To investigate how different visual search strategies affect memory-driven attentional capture.
  • To determine the role of top-down (e.g., working memory) versus bottom-up processing in memory-driven capture.
  • To elucidate the interplay between attention, memory, and search strategies.

Main Methods:

  • Two experiments were conducted using visual search paradigms.
  • Experiment 1 employed a feature search task, focusing on specific shape attributes.
  • Experiment 2 utilized a singleton detection mode, emphasizing bottom-up saliency processing.

Main Results:

  • A distractor matching a color in working memory strongly captured attention during feature search.
  • Memory-driven attentional capture was significantly reduced in the singleton detection mode compared to feature search.
  • Top-down processes, particularly working memory, were shown to enhance memory-driven capture.

Conclusions:

  • Internal attentional settings, varying between top-down and bottom-up reliance, modulate memory-driven capture.
  • Working memory plays a significant role in guiding attention, especially in feature-based search.
  • The findings provide novel insights into the dynamic interaction of attention and memory during visual search.