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Electrical response of bat retina to spectral stimulation: comparison of four microchiropteran species

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Summary

Electrical responses of the retinas of 4 species of microchiropteran bats stimulated by spectrally restricted light flashes were found to diverge systematically from the rhodopsin absorption spectrum. The divergence was progressively greater across the 4 species. The results appeared explainable by assuming a second photoreceptor class and photopigment which was present in progressively greater numbers in the retinas ofEptesicus fuscus, Desmodus rotundus, Artibeus jamaicensis andCarollia perspicillata.

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Authors and Affiliations

  1. Departments of Ophthalmology and Anatomy, University of Louisville Schools of Medicine and Dentistry, 301 East Walnut Street, 40202, Louisville, Kentucky, USA

    G. M. Hope & K. P. Bhatnagar

Authors
  1. G. M. Hope
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  2. K. P. Bhatnagar
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Additional information

This work was made possible by equipment provided by grant No. EY 01228 from the U.S.P.H.S., Bob Hope Fight for Sight award No. G 522 and a grant from Research to Prevent Blindness, Inc. Portions of this work were presented at the Fifth International Bat Research Conference, Albuquerque, New Mexico, August 11, 1978.

The authors would like to express appreciation to Drs A.M. Potts, J. B. Longley, R. S. Crockett and T. G. Wheeler for helpful suggestions and to Drs J. H. Richardson, J. G. Cooper, L. Kundrotas, Mr B. Spoonamore and Mr W. Lopez-Forment for facilitating collection and importation of the Mexican bats.

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Hope, G.M., Bhatnagar, K.P. Electrical response of bat retina to spectral stimulation: comparison of four microchiropteran species. Experientia 35, 1189–1191 (1979). https://doi.org/10.1007/BF01963279

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