Both stimulus-specific and configurational features of multiple visual stimuli shape the spatial ventriloquism effect
Kayser C, Debats N, Heuer H (2024)
European Journal of Neuroscience 59(7): 19.
Zeitschriftenaufsatz
| Veröffentlicht | Englisch
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Abstract / Bemerkung
Studies on multisensory perception often focus on simplistic conditions in which one single stimulus is presented per modality. Yet, in everyday life, we usually encounter multiple signals per modality. To understand how multiple signals within and across the senses are combined, we extended the classical audio-visual spatial ventriloquism paradigm to combine two visual stimuli with one sound. The individual visual stimuli presented in the same trial differed in their relative timing and spatial offsets to the sound, allowing us to contrast their individual and combined influence on sound localization judgements. We find that the ventriloquism bias is not dominated by a single visual stimulus but rather is shaped by the collective multisensory evidence. In particular, the contribution of an individual visual stimulus to the ventriloquism bias depends not only on its own relative spatio-temporal alignment to the sound but also the spatio-temporal alignment of the other visual stimulus. We propose that this pattern of multi-stimulus multisensory integration reflects the evolution of evidence for sensory causal relations during individual trials, calling for the need to extend established models of multisensory causal inference to more naturalistic conditions. Our data also suggest that this pattern of multisensory interactions extends to the ventriloquism aftereffect, a bias in sound localization observed in unisensory judgements following a multisensory stimulus. © 2024 The Authors. European Journal of Neuroscience published by Federation of European Neuroscience Societies and John Wiley & Sons Ltd.
Stichworte
audiovisual;
cross-modal;
multisensory;
multisensory causal inference;
temporal asynchrony
Erscheinungsjahr
2024
Zeitschriftentitel
European Journal of Neuroscience
Band
59
Ausgabe
7
Seite(n)
19
Urheberrecht / Lizenzen
eISSN
1460-9568
Finanzierungs-Informationen
Open-Access-Publikationskosten wurden durch die Universität Bielefeld im Rahmen des DEAL-Vertrags gefördert.
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https://pub.uni-bielefeld.de/record/2986500
Zitieren
Kayser C, Debats N, Heuer H. Both stimulus-specific and configurational features of multiple visual stimuli shape the spatial ventriloquism effect. European Journal of Neuroscience. 2024;59(7):19.
Kayser, C., Debats, N., & Heuer, H. (2024). Both stimulus-specific and configurational features of multiple visual stimuli shape the spatial ventriloquism effect. European Journal of Neuroscience, 59(7), 19. https://doi.org/10.1111/ejn.16251
Kayser, Christoph, Debats, Nienke, and Heuer, Herbert. 2024. “Both stimulus-specific and configurational features of multiple visual stimuli shape the spatial ventriloquism effect”. European Journal of Neuroscience 59 (7): 19.
Kayser, C., Debats, N., and Heuer, H. (2024). Both stimulus-specific and configurational features of multiple visual stimuli shape the spatial ventriloquism effect. European Journal of Neuroscience 59, 19.
Kayser, C., Debats, N., & Heuer, H., 2024. Both stimulus-specific and configurational features of multiple visual stimuli shape the spatial ventriloquism effect. European Journal of Neuroscience, 59(7), p 19.
C. Kayser, N. Debats, and H. Heuer, “Both stimulus-specific and configurational features of multiple visual stimuli shape the spatial ventriloquism effect”, European Journal of Neuroscience, vol. 59, 2024, pp. 19.
Kayser, C., Debats, N., Heuer, H.: Both stimulus-specific and configurational features of multiple visual stimuli shape the spatial ventriloquism effect. European Journal of Neuroscience. 59, 19 (2024).
Kayser, Christoph, Debats, Nienke, and Heuer, Herbert. “Both stimulus-specific and configurational features of multiple visual stimuli shape the spatial ventriloquism effect”. European Journal of Neuroscience 59.7 (2024): 19.
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2024-04-24T07:31:37Z
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