The electrical activity of the chorda tympani nerve in response to chemical stimulation of the tongue of the tropical frugivorous bat Artibeus jamaicensis was compared to that of several rodents and carnivores. The slope of the NaCl response-concentration curve is much steeper than curves for the other animals and the maximum response is reached at a lower concentration (approximately 0.25M NaCl). NaCl is a more adequate stimulus than NH4Cl, LiCl is approximately equal to NaCl, and KCl response is low. These results are similar to those previously found for the rodents but quite different from those for the carnivores. Response is lower to sucrose stimulation than to quinine or HCl, and response to all three is slightly higher, when compared to the NaCl response, than for most of the rodents and carnivores. Responses to monovalent chloride salts and the other taste qualities are quite different from those of the little brown bat, Myotis lucifugus. The NaCl response is not maintained at a steady-state level as in the rat but shows a constant decline after the initial response. A high water response, almost equal to the initial taste response, is obtained after stimulation with 0.01NHCl. Two types of water response are shown.
Proceedings of the Iowa Academy of Science
© Copyright 1963 by the Iowa Academy of Science, Inc.
Fisherman, Irving F.
"Gustatory Responses of a Tropical Frugivorous Bat,"
Proceedings of the Iowa Academy of Science: Vol. 70:
, Article 75.
Available at: https://scholarworks.uni.edu/pias/vol70/iss1/75