The dog audiogram

doi:10.1121/1.2018819

Paper

The dog audiogram

Published Nov 1, 1981 · M. Coultas, R. H. Defran, M. Dixon

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Abstract

Auditory sensitivity of two adult Labrador retrievers (Canis familiaris) to pure‐tone stimuli was analyzed. Early published reports on Canid hearing lacked the acoustical and methodological sophistication currently available, and seriously underestimated the range and sensitivity of hearing in those specimens studied. Using a hold‐release response paradigm and water as a reinforcer, absolute thresholds for 11 different frequencies between 60 Hz and 45 kHz were determined with a tracking procedure. Maximum sensitivity between 0 and −2 dB (re: 0.0002 dyn/cm2) was obtained at 8 kHz for both subjects. Lower (60 Hz) and upper (45 kHz) thresholds were in close agreement for both subjects and averaged 54 dB and 40 dB, respectively. These data are in good agreement with those in a preliminary report by Heffner [H. Heffner, “Audiometry in dogs.” Paper presented at the meeting of the Acoustical Society of America, San Diego, October 1976] for dogs of different breeds within two‐choice response paradigm.

Study Snapshot

Labrador retrievers have a wide range and sensitivity of auditory sensitivity, with maximum sensitivity at 8 kHz, in agreement with earlier reports on Canid hearing.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

The dog audiogram

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References

Citations

The brain of the African wild dog. III. The auditory system

The African wild dog's auditory system resembles that of other carnivores, but semantic processing of vocalizations likely occurs beyond the classically defined auditory system in limbic or association neocortical regions.