Lingual tactile sensitivity: effect of age group, sex, and fungiform papillae density

Lingual tactile sensitivity: effect of age group, sex, and fungiform papillae density Despite its contribution to food perception, lingual tactile sensitivity has been understudied. We hypothesized that sensitivity to threshold and suprathreshold tactile stimuli varies in the population and sought to determine proximate sources of variability. Forty-eight adults were tested for lingual threshold sensitivity via a modified letter identification task and suprathreshold sensitivity via estimation of stimulus size using magnitude estimation. In addition, taste bud density on the anterior tip of each panelist’s tongue was estimated by counting the number of fungiform papillae in a 0.317 cm2 circumscribed area. Lingual tactile thresholds were significantly impacted by age group as subjects 40 years or older had higher thresholds than those in their 20s. Moreover, threshold sensitivity increased with increasing fungiform papillae count. Suprathreshold estimates of size were not affected by age group, sex, or fungiform papillae count. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experimental Brain Research Springer Journals

Lingual tactile sensitivity: effect of age group, sex, and fungiform papillae density

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by Springer-Verlag GmbH Germany
Subject
Biomedicine; Neurosciences; Neurology
ISSN
0014-4819
eISSN
1432-1106
D.O.I.
10.1007/s00221-017-5003-7
Publisher site
See Article on Publisher Site

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