Cited by 487Visual Attention and Saliency DetectionVisual perception and processing mechanismsNeural and Behavioral Psychology Studies

Capture versus suppression of attention by salient singletons: Electrophysiological evidence for an automatic attend-to-me signal

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Sawaki, Risa, Luck, Steven J.·2010·Attention, Perception, & Psychophysics

Abstract

There is considerable controversy about whether salient singletons capture attention in a bottom-up fashion, irrespective of top-down control settings. One possibility is that salient singletons always generate an attention capture signal, but this signal can be actively suppressed to avoid capture. In the present study, we investigated this issue by using event-related potential recordings, focusing on N2pc (N2-posterior-contralateral; a measure of attentional deployment) and Pd (distractor positivity; a measure of attentional suppression). Participants searched for a specific letter within one of two regions, and irrelevant color singletons were sometimes present. We found that the irrelevant singletons did not elicit N2pc but instead elicited Pd; this occurred equally within the attended and unattended regions. These findings suggest that salient singletons may automatically produce an attend-to-me signal, irrespective of top-down control settings, but this signal can be overridden by an active suppression process to prevent the actual capture of attention.

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  • The "signal suppression hypothesis" states that features of an irrelevant distractor that generates a strong bottom-up signal can be actively suppressed in a top-down way such that the distractor no longer captures attention.

    “the recently proposed “signal suppression hypothesis” (Sawaki & Luck, 2010) states that features of an irrelevant distractor that generates a strong bottom-up signal can be actively suppressed in a top-down way such that the distractor no longer captures attention (see also Gaspelin, Leonard, & Luck, 2015).”

    From Selection history: How reward modulates selectivity of visual attention. (2018) · cites this paper as Sawaki & Luck, 2010

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Authors
Sawaki, R., & Luck, S. J.
Affiliations
University of California, Davis (US)
Corresponding author
Sawaki, Risa
Venue
Attention, Perception, & Psychophysics
Published
2010-08
Volume
72
Issue
6
Pages
1455-1470
ISSN
  • 1943-3921 (ISSN-L)
  • 1943-393X
OpenAlex
W2089338367
Cited by
487
References
88
Citations by year
2026: 25 · 2025: 43 · 2024: 45 · 2023: 43 · 2022: 46 · 2021: 50 · 2020: 39 · 2019: 38 · 2018: 33 · 2017: 31 · 2016: 28 · 2015: 7 · 2014: 21 · 2013: 15 · 2012: 13
FWCI
13.37
Type
journal article
Language
en
Open access
Locations
  • Attention Perception & Psychophysics (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Mental Health (R01MH65034, R01MH076226, R01MH065034)
  • National Center for Research Resources (M01RR016500)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Visual Attention and Saliency Detection
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
attentional capture, bottom-up attention, top-down control, attentional suppression, N2pc, letter search
MeSH terms
Adolescent, Adult, Attention, Brain Mapping, Color Perception, Cues, Discrimination, Psychological, Dominance, Cerebral, Electroencephalography, Evoked Potentials, Female, Humans, Male, Occipital Lobe, Orientation, Pattern Recognition, Visual, Psychomotor Performance, Reaction Time, Signal Processing, Computer-Assisted, Size Perception, Visual Fields, Young Adult

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