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When size matters: attention affects performance by contrast or response gain

Open access
Herrmann, Katrin, Montaser-Kouhsari, Leila, Carrasco, Marisa, Heeger, David J·2010·Nature Neuroscience

Abstract

Covert attention, the selective processing of visual information in the absence of eye movements, improves behavioral performance. We found that attention, both exogenous (involuntary) and endogenous (voluntary), can affect performance by contrast or response gain changes, depending on the stimulus size and the relative size of the attention field. These two variables were manipulated in a cueing task while stimulus contrast was varied. We observed a change in behavioral performance consonant with a change in contrast gain for small stimuli paired with spatial uncertainty and a change in response gain for large stimuli presented at one location (no uncertainty) and surrounded by irrelevant flanking distracters. A complementary neuroimaging experiment revealed that observers' attention fields were wider with than without spatial uncertainty. Our results support important predictions of the normalization model of attention and reconcile previous, seemingly contradictory findings on the effects of visual attention.

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Metadata

Authors
Herrmann, K., Montaser-Kouhsari, L., Carrasco, M., & Heeger, D. J.
Venue
Nature Neuroscience
Published
2010-11-07
Volume
13
Issue
12
Pages
1554-1559
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2108203731
Cited by
340
References
51
FWCI
8.87
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: When size matters: attention affects performance by contrast or response gain. https://app.cochat.ai/papers/10.1038/nn.2669
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Herrmann, K., Montaser-Kouhsari, L., Carrasco, M., & Heeger, D. J. (2010). When size matters: attention affects performance by contrast or response gain. Nature Neuroscience. https://doi.org/10.1038/nn.2669

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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