Effects of laterality and pitch height of an auditory accessory stimulus on horizontal response selection: The Simon effect and the SMARC effect |
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Authors: | Akio Nishimura Kazuhiko Yokosawa |
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Institution: | (1) Department of Psychology, University of Milano-Bicocca, Piazza dell’Ateneo Nuovo 1, 20126 Milan, Italy |
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Abstract: | In the present article, we investigated the effects of pitch height and the presented ear (laterality) of an auditory stimulus,
irrelevant to the ongoing visual task, on horizontal response selection. Performance was better when the response and the
stimulated ear spatially corresponded (Simon effect), and when the spatial—musical association of response codes (SMARC) correspondence
was maintained—that is, right (left) response with a high-pitched (low-pitched) tone. These findings reveal an automatic activation
of spatially and musically associated responses by task-irrelevant auditory accessory stimuli. Pitch height is strong enough
to influence the horizontal responses despite modality differences with task target. |
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Keywords: | |
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