Temporal synchrony and integration of sub-threshold taste and smell signals. 2005

Johann C Pfeiffer, and Tracey A Hollowood, and Joanne Hort, and Andrew J Taylor
Samworth Flavour Laboratory, Division of Food Sciences, The University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, UK.

The importance of stimulus timing and location on the perceptual integration of taste and odour was studied based on a sub-threshold methodology. From a panel of 16 people, 12 showed the integration effect previously reported while 4 showed no effect. The experiment was repeated using retronasal and orthonasal delivery of the odour and with tastant present or absent in the mouth. Integration of taste and odour only occurred when both stimuli were present at the same time. Retro- or orthonasal presentation both produced integration providing that tastant delivery was synchronous but the threshold values for the two presentation methods were different. The relevance of these findings to flavour perception under realistic conditions is considered.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010465 Perception The process by which the nature and meaning of sensory stimuli are recognized and interpreted. Sensory Processing,Processing, Sensory
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001547 Benzaldehydes Compounds that consist of a benzene ring with a formyl group. They occur naturally in the seeds of many fruits and are used as FLAVORING AGENTS and fragrances, as well as precursors in pharmaceutical and plastics manufacturing.
D012439 Saccharin Flavoring agent and non-nutritive sweetener. Saccharin Calcium,Saccharin Sodium,Calcium, Saccharin
D012684 Sensory Thresholds The minimum amount of stimulus energy necessary to elicit a sensory response. Sensory Threshold,Threshold, Sensory,Thresholds, Sensory
D012903 Smell The ability to detect scents or odors, such as the function of OLFACTORY RECEPTOR NEURONS. Olfaction,Sense of Smell,Smell Sense

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