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Updated: Jun 5, 2025
07:10
Taste Exam: A Brief and Validated Test
Published on: August 17, 2018
16.4K
How stable are taste-shape crossmodal correspondences over time?
Farhana Tabassum1, Erick G Chuquichambi2,3, Charles Spence4
1Department of Marketing and Sales Management, IÉSEG School of Management, Lille, France.
Quarterly Journal of Experimental Psychology (2006)
|December 6, 2024
Summary
Taste-shape associations, like sweetness with roundness, are stable over time. This research confirms consistent links between tastes and shapes, supporting their reliability in sensory perception and product design.
Area of Science:
- Crossmodal perception
- Sensory science
- Cognitive psychology
Background:
- Crossmodal correspondences link senses, e.g., taste and shape.
- Temporal stability of taste-shape links is not well-understood.
- Synesthesia research uses stability as a key criterion.
Purpose of the Study:
- To investigate the temporal stability of taste-shape crossmodal correspondences.
- To assess the consistency of taste-shape associations over a two-week period.
- To explore if consistency can validate crossmodal correspondences.
Main Methods:
- A test-retest paradigm was employed over two weeks.
- Participants rated perceived curvature and symmetry associated with five taste words.
- Taste and shape liking were also assessed across three sessions.
Main Results:
- Sweet tastes were reliably associated with higher curvature and symmetry.
- Umami tastes showed higher curvature and symmetry than sour, salty, and bitter.
- Moderate-to-substantial test-retest reliability was found for most correspondences.
Conclusions:
- Taste-shape crossmodal correspondences demonstrate significant temporal stability.
- Consistency in associations supports the validity of crossmodal links.
- Findings inform product design and marketing by highlighting temporal dynamics.
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