Document Detail

Hearing in American leaf-nosed bats. II: Carollia perspicillata.
MedLine Citation:
PMID:  12684174     Owner:  NLM     Status:  MEDLINE    
We determined the audiograms of two short-tailed fruit bats (Carollia perspicillata), 18-g phyllostomids from Central and South America. For testing, we used a conditioned suppression/avoidance procedure with a fruit juice reward. At an intensity of 60 dB SPL, the hearing of C. perspicillata extends from 5.2 to 150 kHz, showing a best sensitivity of 0 dB at 25 kHz and a secondary region of sensitivity at 71 kHz. Although C. perspicillata is frugivorous and therefore does not rely on sonar for detecting and pursuing insects, its audiogram is similar to that of insectivorous bats; similarly, there is no suggestion of unusual sensitivity associated with its low-intensity echolocation calls. The behavioral audiogram is compared to previously published physiological estimates of hearing.
Gimseong Koay; Rickye S Heffner; Karen S Bitter; Henry E Heffner
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Hearing research     Volume:  178     ISSN:  0378-5955     ISO Abbreviation:  Hear. Res.     Publication Date:  2003 Apr 
Date Detail:
Created Date:  2003-04-09     Completed Date:  2003-12-11     Revised Date:  2014-03-25    
Medline Journal Info:
Nlm Unique ID:  7900445     Medline TA:  Hear Res     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  27-34     Citation Subset:  IM    
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MeSH Terms
Auditory Threshold
Avoidance Learning
Behavior, Animal
Chiroptera / physiology*
Conditioning (Psychology)
Evoked Potentials, Auditory
Hearing / physiology*
Grant Support

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