Abstract
Cats were trained to make an avoidance response to clicks in the presence of different levels of white masking noise. The audibility of the clicks at different masking intensities could be determined from the percentage of CRs made by the animals. Click-evoked responses were also recorded from the left inferior colliculus of each cat in the presence of several intensities of masking noise. The results showed that the noise level that just obscured the click-evoked response was quite close in intensity to the noise level that produced threshold click detection in the behavioral situation. While both behavioral and electrophysiological methods yielded similar measures of auditory sensitivity, the electrophysiological measure was obtained in a fraction of the time required to obtain the behavioral measure.
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Colavita, F.B. Behavioral and electrophysiological measures of click audibility compared in the cat. Perception & Psychophysics 3, 462–464 (1968). https://doi.org/10.3758/BF03205755
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DOI: https://doi.org/10.3758/BF03205755