4.7 Article

People With High Autistic Traits Show Fewer Consensual Crossmodal Correspondences Between Visual Features and Tastes

期刊

FRONTIERS IN PSYCHOLOGY
卷 12, 期 -, 页码 -

出版社

FRONTIERS MEDIA SA
DOI: 10.3389/fpsyg.2021.714277

关键词

color-taste association; shape-taste association; shape-color association; autistic traits; crossmodal correspondence

资金

  1. Japan Society for the Promotion of Science [17H06344, 17H00753, 19K22885, 20H04595, 20K22296, 21K13759, 21H05053]
  2. Grants-in-Aid for Scientific Research [21H05053, 21K13759, 20H04595, 20K22296, 19K22885] Funding Source: KAKEN

向作者/读者索取更多资源

The study found significant associations between autistic traits and choices of color-taste, shape-taste, and shape-color associations. Participants with higher autistic quotient scores tended to choose fewer consensual color-taste/shape-color associations, but there was no difference in choosing shape-taste associations. This suggests that participants with higher autistic quotient scores may have reduced prior knowledge effect in statistic learning.
Crossmodal correspondences between visual features (e.g., color/shape) and tastes have been extensively documented in recent years. Visual colors and shapes have been shown to consensually match to specific tastes. Meanwhile, individuals with autism spectrum disorder are reported to have atypical sensory processing and deficits in multisensory integration. However, the influence of autistic traits on the formation of such correspondences is relatively unknown. Here, we examined whether autistic traits could influence visual-taste associations using an online questionnaire survey among Japanese participants. The results showed that the participants exhibited strong color-taste, shape-taste, and shape-color associations, and the proportions of choosing the consensual color-taste/shape-color associations were significantly associated with autistic traits. The participants with higher autistic quotient scores chose fewer of the consensual color-taste/shape-color associations while there was no difference in choosing shape-taste associations. We interpreted the results as statistical learning with a reduced prior knowledge effect in participants with higher autistic quotient scores.

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