Audiovisual interactions in binocular rivalry

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Audiovisual interactions in binocular rivalry. / Conrad, Verena; Bartels, Andreas; Kleiner, Mario; Noppeney, Uta.

In: Journal of Vision, Vol. 10, No. 10, 27, 2010.

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Conrad, Verena ; Bartels, Andreas ; Kleiner, Mario ; Noppeney, Uta. / Audiovisual interactions in binocular rivalry. In: Journal of Vision. 2010 ; Vol. 10, No. 10.

Bibtex

@article{866d0e0af5e64808829c887200466f9d,
title = "Audiovisual interactions in binocular rivalry",
abstract = "When the two eyes are presented with dissimilar images, human observers report alternating perceptsVa phenomenon coined binocular rivalry. These perceptual fluctuations reflect competition between the two visual inputs both at monocular and binocular processing stages. Here we investigated the influence of auditory stimulation on the temporal dynamics of binocular rivalry. In three psychophysics experiments, we investigated whether sounds that provide directionally congruent, incongruent, or non-motion information modulate the dominance periods of rivaling visual motion percepts. Visual stimuli were dichoptically presented random-dot kinematograms (RDKs) at different levels of motion coherence. The results show that directional motion sounds rather than auditory input per se influenced the temporal dynamics of binocular rivalry. In all experiments, motion sounds prolonged the dominance periods of the directionally congruent visual motion percept. In contrast, motion sounds abbreviated the suppression periods of the directionally congruent visual motion percepts only when they competed with directionally incongruent percepts. Therefore, analogous to visual contextual effects, auditory motion interacted primarily with consciously perceived visual input rather than visual input suppressed from awareness. Our findings suggest that auditory modulation of perceptual dominance times might be established in a top-down fashion by means of feedback mechanisms.",
keywords = "Ambiguous stimuli, Audiovisual, Binocular rivalry, Cross-modal, Motion perception, Multisensory",
author = "Verena Conrad and Andreas Bartels and Mario Kleiner and Uta Noppeney",
year = "2010",
doi = "10.1167/10.10.27",
language = "English",
volume = "10",
journal = "Journal of Vision",
issn = "1534-7362",
publisher = "Association for Research in Vision and Ophthalmology",
number = "10",

}

RIS

TY - JOUR

T1 - Audiovisual interactions in binocular rivalry

AU - Conrad, Verena

AU - Bartels, Andreas

AU - Kleiner, Mario

AU - Noppeney, Uta

PY - 2010

Y1 - 2010

N2 - When the two eyes are presented with dissimilar images, human observers report alternating perceptsVa phenomenon coined binocular rivalry. These perceptual fluctuations reflect competition between the two visual inputs both at monocular and binocular processing stages. Here we investigated the influence of auditory stimulation on the temporal dynamics of binocular rivalry. In three psychophysics experiments, we investigated whether sounds that provide directionally congruent, incongruent, or non-motion information modulate the dominance periods of rivaling visual motion percepts. Visual stimuli were dichoptically presented random-dot kinematograms (RDKs) at different levels of motion coherence. The results show that directional motion sounds rather than auditory input per se influenced the temporal dynamics of binocular rivalry. In all experiments, motion sounds prolonged the dominance periods of the directionally congruent visual motion percept. In contrast, motion sounds abbreviated the suppression periods of the directionally congruent visual motion percepts only when they competed with directionally incongruent percepts. Therefore, analogous to visual contextual effects, auditory motion interacted primarily with consciously perceived visual input rather than visual input suppressed from awareness. Our findings suggest that auditory modulation of perceptual dominance times might be established in a top-down fashion by means of feedback mechanisms.

AB - When the two eyes are presented with dissimilar images, human observers report alternating perceptsVa phenomenon coined binocular rivalry. These perceptual fluctuations reflect competition between the two visual inputs both at monocular and binocular processing stages. Here we investigated the influence of auditory stimulation on the temporal dynamics of binocular rivalry. In three psychophysics experiments, we investigated whether sounds that provide directionally congruent, incongruent, or non-motion information modulate the dominance periods of rivaling visual motion percepts. Visual stimuli were dichoptically presented random-dot kinematograms (RDKs) at different levels of motion coherence. The results show that directional motion sounds rather than auditory input per se influenced the temporal dynamics of binocular rivalry. In all experiments, motion sounds prolonged the dominance periods of the directionally congruent visual motion percept. In contrast, motion sounds abbreviated the suppression periods of the directionally congruent visual motion percepts only when they competed with directionally incongruent percepts. Therefore, analogous to visual contextual effects, auditory motion interacted primarily with consciously perceived visual input rather than visual input suppressed from awareness. Our findings suggest that auditory modulation of perceptual dominance times might be established in a top-down fashion by means of feedback mechanisms.

KW - Ambiguous stimuli

KW - Audiovisual

KW - Binocular rivalry

KW - Cross-modal

KW - Motion perception

KW - Multisensory

UR - http://www.scopus.com/inward/record.url?scp=79955142913&partnerID=8YFLogxK

U2 - 10.1167/10.10.27

DO - 10.1167/10.10.27

M3 - Article

C2 - 20884492

AN - SCOPUS:79955142913

VL - 10

JO - Journal of Vision

JF - Journal of Vision

SN - 1534-7362

IS - 10

M1 - 27

ER -