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Updated: Jan 22, 2026
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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
Published on: March 18, 2019
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How the deployment of visual attention modulates auditory distraction.
John E Marsh1,2, Tom A Campbell3, François Vachon4,5
1School of Psychology, University of Central Lancashire, Preston, PR1 2HE, UK. JEMarsh@uclan.ac.uk.
Attention, Perception & Psychophysics
|July 11, 2019
Summary
Cognitive control actively shapes attentional selectivity, influencing how task engagement affects auditory distraction. High task load eliminated distraction from deviant sounds but not changing sound sequences, supporting dual mechanisms of auditory distraction.
Area of Science:
- Cognitive Psychology
- Neuroscience
Background:
- Attentional selectivity was traditionally viewed as a passive outcome of limited processing capacity.
- This study investigates the active role of cognitive control in attentional selectivity.
Purpose of the Study:
- To explore how task engagement modulates distraction from task-irrelevant sound.
- To differentiate between unitary and duplex-mechanism accounts of auditory distraction.
Main Methods:
- Participants performed a visual short-term memory task with varying encoding loads (low vs. high).
- Distraction was measured using the deviation effect (single noise burst) and the changing-state effect (continuous tone sequence).
Main Results:
- The deviation effect was eliminated under high encoding load.
- The changing-state effect remained unaffected by encoding load.
- This dissociation supports a duplex-mechanism model of auditory distraction.
Conclusions:
- Auditory distraction arises from distinct mechanisms: attentional capture (deviation effect) and direct interference (changing-state effect).
- Cognitive control actively modulates attentional selectivity, challenging resource-depletion explanations.
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