4th Annual Meeting of the International Multisensory Research Forum
    Home > Papers > Christine Tipper
Christine Tipper

A temporal window for visual capture of auditory location
Poster

Christine Tipper
Dept. of Psychology, University of British Columbia

Salvador Soto-Faraco
Dept. of Psychology, University of Barcelona

Alan Kingstone
Dept. of Psychology, University of British Columbia

     Abstract ID Number: 98
     Full text: Not available
     Last modified: May 20, 2003

Abstract
Previous research has shown that the localization of auditory stimuli can be perceptually biased towards the location of a simultaneous visual event. Perceptual biasing of spatial location by a visual event can be called 'visual capture'. Much of the multisensory integration literature suggests the existence of a temporal window in which information from different modalities may be integrated. The aim of the present study was to explore the temporal dynamics of the visual capture of audition using a psychophysical staircase procedure. Participants made left-right discriminations about the perceived location of sounds presented either alone, synchronized with a central visual flash, or desynchronized (±100, ±200, ±300 or ±400 ms) from a visual flash. A measure of the size of the spatial window in which participants were uncertain of sound location served as the dependent variable for subsequent analyses. The results demonstrate significant visual capture of perceived auditory location in both the synchronous and 100 ms asynchronous conditions. There is also a trend that suggests visual capture may occur to a lesser extent in the 200 and 300 ms asynchronous conditions, but this trend was not statistically significant. The results demonstrate a temporal window for the perceptual effects of audio-visual multisensory integration.


    Learn more
    about this
    publishing
    project...


Public Knowledge

 
Open Access Research
home | overview | program
papers | organization | links
  Top