Predicting auditory space calibration from recent multisensory experience

Experimental Brain Research
Catarina MendonçaHans Colonius

Abstract

Multisensory experience can lead to auditory space recalibration. After exposure to discrepant audiovisual stimulation, sound percepts are displaced in space, in the direction of the previous visual stimulation. This study focuses on identifying the factors in recent sensory experience leading to such auditory space shifts. Sequences of five audiovisual pairs were presented, each randomly congruent or discrepant in space. Each sequence was followed by a single auditory trial and two visual trials. In each trial, participants had to identify the perceived stimuli positions. We found that auditory localization is shifted during audiovisual discrepant trials and during subsequent auditory trials, suggesting a recalibration effect. Time did not lead to greater recalibration effects. The last audiovisual trial affects the subsequent auditory shift the most. The number of discrepant trials in a sequence, and the number of consecutive trials in sequence, also correlated with the subsequent auditory shift. To estimate the individual contribution of previously presented trials to the recalibration effect, a best-fitting model was developed to predict the shift in a linear weighted combination of stimulus features: (1) whether matching o...Continue Reading

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Citations

Sep 1, 2015·Experimental Brain Research·Andrew V Frane, Ladan Shams
Sep 1, 2015·Experimental Brain Research·Catarina MendonçaHans Colonius
Jul 1, 2015·Current Opinion in Neurobiology·Peter Keating, Andrew J King
Aug 2, 2018·PloS One·Adam K BosenGary D Paige
Mar 1, 2018·Scientific Reports·Stephanie J Kayser, Christoph Kayser
Dec 30, 2017·The European Journal of Neuroscience·Hans Colonius, Adele Diederich
Mar 16, 2016·Experimental Brain Research·Adele DiederichFarid I Kandil
Jul 4, 2018·Attention, Perception & Psychophysics·Erik Van der BurgJohn Cass
Oct 2, 2019·Frontiers in Integrative Neuroscience·Patrick Bruns

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