Audibility in the rat.

Abstract
A combination of an operant conditioning technique and the psychophysical method of constant stimuli was applied to the measurement of auditory thresholds in rats, between 10 and 50 kc. The frequency region of greatest auditory sensitivity was approximately 1 octave wide located in the vicinity of 40 kc. Intensity of the most audible tones for the rat falls between 3.5-and 11-db. SPL. A description of the rat audiogram over the frequency interval of .5-50kc. is presented.

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