Cross-modal correspondences in sine wave: Speech versus non-speech modes

The present study aimed to investigate whether or not the so-called “bouba-kiki” effect is mediated by speech-specific representations. Sine-wave versions of naturally produced pseudowords were used as auditory stimuli in an implicit association task (IAT) and an explicit cross-modal matching (CMM)...

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Bibliographic Details
Published in:Attention, perception & psychophysics perception & psychophysics, 2020-06, Vol.82 (3), p.944-953
Main Authors: Silva, Daniel Márcio Rodrigues, Bellini-Leite, Samuel C.
Format: Article
Language:English
Subjects:
Associations
Auditory Perception
Auditory Stimuli
Behavioral Science and Psychology
Cognitive Psychology
Cultural Background
Developmental Stages
Hearing
Humans
Literary Styles
Native Speakers
Nonwords
Phonemes
Phonetics
Phonology
Psychology
Semantics
Short Report
Sound
Speech
Speech Perception
Speech sounds
Stimuli
Visual Stimuli
Vowels
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Summary:The present study aimed to investigate whether or not the so-called “bouba-kiki” effect is mediated by speech-specific representations. Sine-wave versions of naturally produced pseudowords were used as auditory stimuli in an implicit association task (IAT) and an explicit cross-modal matching (CMM) task to examine cross-modal shape-sound correspondences. A group of participants trained to hear the sine-wave stimuli as speech was compared to a group that heard them as non-speech sounds. Sound-shape correspondence effects were observed in both groups and tasks, indicating that speech-specific processing is not fundamental to the “bouba-kiki” phenomenon. Effects were similar across groups in the IAT, while in the CMM task the speech-mode group showed a stronger effect compared with the non-speech group. This indicates that, while both tasks reflect auditory-visual associations, only the CMM task is additionally sensitive to associations involving speech-specific representations.
ISSN:1943-3921
1943-393X
DOI:10.3758/s13414-019-01835-z