Meaningful auditory information enhances perception of visual biological motion

Year: 2009

Authors: Arrighi R., Marini F., Burr D.

Autors Affiliation: CNR – Istituto Nazionale di Ottica Applicata, Largo e. fermi 6, 50125 Firenze, Italy;
Dipartimento di Psicologia dell’Università degli Studi di Firenze, Italy;
CNR – istituto di Neuroscienze, Pisa Italy

Abstract: 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.

Journal/Review: JOURNAL OF VISION

Volume: 9 (4)      Pages from: 25-1  to: 25-7

More Information: This work was supported by the European Framework 6 NEST Program (MEMORY) and the European Research Council Advanced Grant 229445 STANIB.
KeyWords: biological motion; audiovisual integration; cross-modal perception
DOI: 10.1167/9.4.25

Citations: 40
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