Cited by 59Multisensory perception and integrationVisual perception and processing mechanismsNeural dynamics and brain function

Auditory information enhances post-sensory visual evidence during rapid multisensory decision-making

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Franzen, Léon, Delis, Ioannis, De Sousa, Gabriela, Kayser, Christoph, Philiastides, Marios G.·2020·Nature Communications

Abstract

Despite recent progress in understanding multisensory decision-making, a conclusive mechanistic account of how the brain translates the relevant evidence into a decision is lacking. Specifically, it remains unclear whether perceptual improvements during rapid multisensory decisions are best explained by sensory (i.e., ‘Early’) processing benefits or post-sensory (i.e., ‘Late’) changes in decision dynamics. Here, we employ a well-established visual object categorisation task in which early sensory and post-sensory decision evidence can be dissociated using multivariate pattern analysis of the electroencephalogram (EEG). We capitalize on these distinct neural components to identify when and how complementary auditory information influences the encoding of decision-relevant visual evidence in a multisensory context. We show that it is primarily the post-sensory, rather than the early sensory, EEG component amplitudes that are being amplified during rapid audiovisual decision-making. Using a neurally informed drift diffusion model we demonstrate that a multisensory behavioral improvement in accuracy arises from an enhanced quality of the relevant decision evidence, as captured by the post-sensory EEG component, consistent with the emergence of multisensory evidence in higher-order brain areas.

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  • Complementary audio-visual information improves accuracy on perceptual decision-making tasks compared with visual information only.

    “Complementary audio-visual information has been shown to improve accuracy on perceptual decision-making tasks compared with visual information only, by amplifying post-sensory decision evidence82.”

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  1. [97]Green, D. M. & Swets, J. A. Signal Detection Theory And Psychophysics (John Wiley, 1966).

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Authors
Franzen, L., Delis, I., De Sousa, G., Kayser, C., & Philiastides, M. G.
Affiliations
  • Concordia University (CA)
  • University of Leeds (GB)
  • Bielefeld University (DE)
  • University of Glasgow (GB)
Corresponding author
  • Franzen, Léon
  • Philiastides, Marios G.
Venue
Nature Communications
Published
2020-10-28
Volume
11
Issue
1
Pages
5440-5440
ISSN
2041-1723 (ISSN-L)
OpenAlex
W3095323226
Cited by
57
References
106
Citations by year
2026: 3 · 2025: 16 · 2024: 11 · 2023: 17 · 2022: 6 · 2021: 4
FWCI
6.53
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (acceptedVersion, cc-by-sa)
  • White Rose Research Online (University of Leeds, The University of Sheffield, University of York) (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Publikationen an der Universität Bielefeld (Universität Bielefeld) (submittedVersion)
Funders
  • European Commission (H2020-MSCA-IF-2018/845884)
  • RCUK | Economic and Social Research Council (ES/L012995/1)
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
auditory information, early sensory processing, audiovisual integration, drift-diffusion model, rapid decision-making
MeSH terms
Acoustic Stimulation, Adolescent, Adult, Auditory Perception, Choice Behavior, Decision Making, Electroencephalography, Female, Humans, Male, Models, Neurological, Models, Psychological, Photic Stimulation, Visual Perception, Multivariate Analysis, Young Adult

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