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Related Experiment Video

Updated: Jun 24, 2026

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

Categorically defined targets trigger spatiotemporal visual attention.

Brad Wyble1, Howard Bowman, Mary C Potter

  • 1Department of Brain & Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. bwyble@gmail.com

Journal of Experimental Psychology. Human Perception and Performance
|April 1, 2009
PubMed
Summary
This summary is machine-generated.

Task-relevant stimuli, like digits, can create transient attention, improving the processing of subsequent targets. This attentional benefit occurs even if the initial stimulus isn't consciously perceived.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Attention

Background:

  • Transient attention, typically triggered by salient cues, enhances processing of subsequent targets at the same location.
  • The role of categorically defined stimuli (e.g., letters, digits) in generating transient attention remains less understood.

Purpose of the Study:

  • To investigate whether task-relevant stimuli, specifically digits, can elicit transient attention.
  • To determine if this attentional effect is independent of conscious report of the initial stimulus and category priming.

Main Methods:

  • Participants identified digit targets within a dynamic array of keyboard symbols.
  • The study manipulated stimulus onset asynchrony (SOA) and spatial location between sequential targets.
  • The attentional blink paradigm was adapted to assess the impact of a leading target on a subsequent target's reportability.

Main Results:

  • A second target was reported more frequently when it followed a leading target at the same location with a short SOA (107 ms), indicating enhanced processing.
  • Target report was impaired when targets appeared at different locations, suggesting spatial orienting of attention.
  • The enhancement effect persisted regardless of whether the leading target was consciously reported, and was not attributable to category priming.

Conclusions:

  • Task-relevant stimuli, such as digits, can indeed generate transient attention, similar to salient cues.
  • This suggests a common mechanism underlying transient attention, contingent attentional capture, and attentional blink phenomena, involving the orientation of processing resources.
  • Attentional benefits can occur even when the initial stimulus is not consciously perceived, highlighting the role of pre-conscious processing.