Audiovisual integration in near and far space: effects of changes in distance and stimulus effectiveness.

Experimental Brain Research
N Van der StoepM J Van der Smagt

Abstract

A factor that is often not considered in multisensory research is the distance from which information is presented. Interestingly, various studies have shown that the distance at which information is presented can modulate the strength of multisensory interactions. In addition, our everyday multisensory experience in near and far space is rather asymmetrical in terms of retinal image size and stimulus intensity. This asymmetry is the result of the relation between the stimulus-observer distance and its retinal image size and intensity: an object that is further away is generally smaller on the retina as compared to the same object when it is presented nearer. Similarly, auditory intensity decreases as the distance from the observer increases. We investigated how each of these factors alone, and their combination, affected audiovisual integration. Unimodal and bimodal stimuli were presented in near and far space, with and without controlling for distance-dependent changes in retinal image size and intensity. Audiovisual integration was enhanced for stimuli that were presented in far space as compared to near space, but only when the stimuli were not corrected for visual angle and intensity. The same decrease in intensity and ret...Continue Reading

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Citations

Mar 27, 2018·The European Journal of Neuroscience·Jean-Paul NoelMark T Wallace
Sep 7, 2018·Journal of Cognitive Neuroscience·Jean-Paul NoelMark T Wallace
Mar 19, 2019·Journal of Cognitive Neuroscience·Nathan Van der StoepTanja C W Nijboer
Oct 20, 2019·Experimental Brain Research·Takumi MiedaMayumi Saito
Oct 4, 2017·The European Journal of Neuroscience·Charles SpenceNathan Van der Stoep
Apr 28, 2018·Experimental Brain Research·Jean-Paul NoelNathan Van der Stoep
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Jan 14, 2021·Scientific Reports·Nathan Van der StoepM Naber

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