期刊
BEHAVIOURAL BRAIN RESEARCH
卷 253, 期 -, 页码 42-47出版社
ELSEVIER
DOI: 10.1016/j.bbr.2013.07.001
关键词
Vision; Taste; Hedonic ratings; Semantic familiarity; Multisensory integration
资金
- National Natural Science Foundation of China [NSFC31140086, NSFC31200812]
Vision influences taste. It is known that color plays an important role in flavor perception. However, the effect of other features of visual information such as shapes and semantic familiarity of words on the taste perception, particularly on taste sensitivity, is not clear yet. Here we study whether the sweet taste sensitivity of the subjects is affected by such visual inputs. By displaying basic geometric patterns or words with different degrees of semantic familiarity as visual inputs, the subjects rate the hedonic and semantic familiar scores, and taste a series of sucrose solutions, and their sweet sensitivities are accordingly analyzed. Our results show (1) shapes with curvature like circle and ellipse, with higher hedonic scores, increase the sweet sensitivity, whereas angular shapes like square, rectangle, triangle and pentagram do not affect sweet sensitivity; (2) semantic familiar words, with higher hedonic ratings as well, increase sweet sensitivity, whereas unfamiliar words do not affect or even reduce sweet sensitivities. (C) 2013 Elsevier B.V. All rights reserved.
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