| 研究実績の概要 |
The aim of the research was to analyze the specific characteristics of sound iconicity. Based on previous research findings, it was assumed that sound iconicity involves the association of sensory characteristics, such as size, shape, color, or sound frequency, with semantic concepts. The research applied indirect measurements to test whether shared semantic connotations predict mutual association.
Findings support the view that cross-modal associations are determined by their semantic categorization. Semantic assessments of generic features of stimuli, such as frequency, intensity, and variability, predict their association even across sensory modalities. That is, correspondence between the semantic assessment of visual characteristics (e.g., pointed vs. obtuse angles) and acoustic characteristics (e.g., high vs. low pitch) allow for predicting their cross-modal association. Based on the EPA model (Osgood, C. E. et al. (1957) The Measurement of Meaning. University of Illinois Press) a multi-dimensional semantic space has been identified which allows assessment of the relative distance between generic features of stimuli across sensory modalities. This semantic space has proven to be a good indicator for cross-modal associations.
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