Self-induced attentional blink: a cause of errors in multiple-target search

Stephen H Adamo1, Matthew S Cain, Stephen R Mitroff

  • 11Department of Psychology and Neuroscience, Center for Cognitive Neuroscience, Duke University.

Psychological Science
|October 22, 2013
PubMed

Insights

Subsequent search misses, or decreased accuracy after finding a target, are linked to the attentional blink. This visual search phenomenon impacts accuracy shortly after initial target fixation.

Area of Science:

  • Cognitive Psychology
  • Visual Perception
  • Human Factors

Background:

  • Satisfaction of search, or subsequent search misses, contributes to real-world errors, such as missed diagnoses in medical imaging.
  • The cognitive mechanisms underlying subsequent search misses are not well understood.

Purpose of the Study:

  • To investigate the cognitive underpinnings of subsequent search misses in visual search.
  • To determine if the attentional blink phenomenon plays a role in subsequent search misses.

Main Methods:

  • Participants performed a self-paced spatial visual search task, identifying T-shaped targets among L-shaped distractors.
  • The study analyzed errors related to detecting a second target after a first target had been found.

Main Results:

  • An attentional blink-like effect was identified as a significant factor in subsequent search misses.
  • This effect occurred despite methodological differences between spatial visual search and traditional attentional blink tasks.

Conclusions:

  • Accuracy in self-paced visual search is negatively impacted for a short period after the initial target fixation.
  • The findings suggest shared cognitive mechanisms between attentional blink and subsequent search misses.

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