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Roberto Arrighi, Francesco Marini, David Burr; Meaningful auditory information enhances perception of visual biological motion. Journal of Vision 2009;9(4):25. doi: https://doi.org/10.1167/9.4.25.
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© ARVO (1962-2015); The Authors (2016-present)
Robust perception requires efficient integration of information from our various senses. Much recent electrophysiology points to neural areas responsive to multisensory stimulation, particularly audiovisual stimulation. However, psychophysical evidence for functional integration of audiovisual motion has been ambiguous. In this study we measure perception of an audiovisual form of biological motion, tap dancing. The results show that the audio tap information interacts with visual motion information, but only when in synchrony, demonstrating a functional combination of audiovisual information in a natural task. The advantage of multimodal combination was better than the optimal maximum likelihood prediction.
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