The effect of training procedure upon auditory frequency discrimination in the cat

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“Cats were trained under three procedures in frequency discrimination. The repetitive procedure involved response to only one change, an alternation between 1,000 cycles and 1,500 cycles, from a background stimulation of a repeated 1,000-cycle tone. In the alternation procedure, animals were required to respond to four cycles of alternation of the two tones, but not to respond to eight presentations of the 1,000-cycle tone. In the absolute procedure, they were required to respond to one presentation of a 1,000-cycle tone but not to a 1,500-cycle tone. The repetitive group learned faster and with better thresholds than did the alternation group. The absolute group could not learn the discrimination.” From Psyc Abstracts 36:01:1EJ86T. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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