Perceptual load influences auditory space perception in the ventriloquist aftereffect

Cognition 118 (1):62-74 (2011)

A period of exposure to trains of simultaneous but spatially offset auditory and visual stimuli can induce a temporary shift in the perception of sound location. This phenomenon, known as the 'ventriloquist aftereffect', reflects a realignment of auditory and visual spatial representations such that they approach perceptual alignment despite their physical spatial discordance. Such dynamic changes to sensory representations are likely to underlie the brain's ability to accommodate inter-sensory discordance produced by sensory errors (particularly in sound localization) and variability in sensory transduction. It is currently unknown, however, whether these plastic changes induced by adaptation to spatially disparate inputs occurs automatically or whether they are dependent on selectively attending to the visual or auditory stimuli. Here, we demonstrate that robust auditory spatial aftereffects can be induced even in the presence of a competing visual stimulus. Importantly, we found that when attention is directed to the competing stimuli, the pattern of aftereffects is altered. These results indicate that attention can modulate the ventriloquist aftereffect. © 2010 Elsevier B.V.
Keywords Multisensory integration   Attention   Sound localization   Perceptual adaptation
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DOI 10.1016/j.cognition.2010.09.009
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References found in this work BETA

Neural Mechanisms of Selective Visual Attention.R. Desimone & J. Duncan - 1995 - Annual Review of Neuroscience 18 (1):193-222.
Distracted and Confused?: Selective Attention Under Load.Nilli Lavie - 2005 - Trends in Cognitive Sciences 9 (2):75-82.

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How Automatic Are Crossmodal Correspondences?Charles Spence & Ophelia Deroy - 2013 - Consciousness and Cognition 22 (1):245-260.

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