In the footsteps of biological motion and multisensory perception: Judgments of audio-visual temporal relations are enhanced for upright walkers Running head: Biological motion and multisensory perception
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In the footsteps of biological motion and multisensory perception: judgments of audiovisual temporal relations are enhanced for upright walkers.
Observers judged whether a periodically moving visual display (point-light walker) had the same temporal frequency as a series of auditory beeps that in some cases coincided with the apparent footsteps of the walker. Performance in this multisensory judgment was consistently better for upright point-light walkers than for inverted point-light walkers or scrambled control stimuli, even though th...
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Previous research demonstrates that meaningfully related sounds enhance visual sensitivity to point-light displays of human movement. Here we report two psychophysical studies that investigated whether, and if so when, this facilitation is modulated by the temporal relationship between auditory and visual stimuli. In Experiment 1, participants detected point-light walkers in masks while listeni...
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Biological motion, in the form of point-light displays, is usually less recognizable and coherent when shown from a less natural orientation, and evidence of this disruption was recently extended to audiovisual aspects of biological motion perception. In the present study, eight drummers and eight musical novices were required to judge either the audiovisual simultaneity or the temporal order o...
متن کاملMeaningful auditory information enhances perception of visual biological motion.
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 mo...
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تاریخ انتشار 2007