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Differentiated audio-tactile correspondences in sighted and blind individuals

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Differentiated audio-tactile correspondences in sighted and blind individuals

The aim of the present study is to investigate whether the crossmodal correspondence robustly documented between auditory pitch and visual elevation has analogues in the audio-tactile domain. Across 4 experiments, the compatibility effects between intuitively congruent pairs of stimuli (i.e., outward tactile movement, going from the inside of the finger toward the fingertip and increasing pitch, or inward tactile movement and decreasing pitch) and incongruent pairs stimuli (i.e., the reverse associations) were measured. Two methods were compared to assess the behavioral effects of such a correspondence: One where participants have to respond to either the auditory or tactile stimulus presented simultaneously, while ignoring the other (speeded classification task), and the other where the auditory and tactile stimuli are presented sequentially and associated to different response buttons (implicit association test). No significant compatibility effect was observed under the speeded classification task. The implicit association test revealed a significant compatibility effect. This effect was similar in the conditions where the finger was placed vertically and horizontally. However, this implicit association between pitch and tactile movements was not observed in blind participants. These results have methodological implications for the explanation and testing of crossmodal correspondences, and the origin of the widely discussed association between pitch and vertical elevation.

Deroy, Ophelia and Fasiello, I and Hayward, Vincent and Auvray, M (2016) Differentiated audio-tactile correspondences in sighted and blind individuals. Journal of Experimental Psychology: Human Perception and Performance, 42 . ISSN 0096-1523

Item Type: Article
Subjects: Philosophy
Divisions: Institute of Philosophy
Depositing User:
DOI: 10.1037/xhp0000152
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