Article

Visual biasing of auditory localization in azimuth and depth.

Psychology Department, Wake Forest University, Winston-Salem, NC 27209, USA.
Perceptual and Motor Skills (impact factor: 0.49). 12/2010; 111(3):872-92.
Source: PubMed

ABSTRACT Correctly integrating sensory information across different modalities is a vital task, yet there are illusions which cause the incorrect localization of multisensory stimuli. A common example of these phenomena is the "ventriloquism effect". In this illusion, the localization of auditory signals is biased by the presence of visual stimuli. For instance, when a light and sound are simultaneously presented, observers may erroneously locate the sound closer to the light than its actual position. While this phenomenon has been studied extensively in azimuth at a single depth, little is known about the interactions of stimuli at different depth planes. In the current experiment, virtual acoustics and stereo-image displays were used to test the integration of visual and auditory signals across azimuth and depth. The results suggest that greater variability in the localization of sounds in depth may lead to a greater bias from visual stimuli in depth than in azimuth. These results offer interesting implications for understanding multisensory integration.

0 0
 · 
0 Bookmarks
 · 
39 Views
Data provided are for informational purposes only. Although carefully collected, accuracy cannot be guaranteed. The impact factor represents a rough estimation of the journal's impact factor and does not reflect the actual current impact factor. Publisher conditions are provided by RoMEO. Differing provisions from the publisher's actual policy or licence agreement may be applicable.

Full-text

View
0 Downloads
Available from

Keywords

actual position
 
azimuth
 
common example
 
current experiment
 
different depth planes
 
different modalities
 
extensively
 
greater bias
 
incorrect localization
 
integrating sensory information
 
interactions
 
localization
 
multisensory stimuli
 
results offer interesting implications
 
single depth
 
stereo-image displays
 
understanding multisensory integration
 
ventriloquism effect"
 
virtual acoustics
 
vital task
 

Brian T Agganis