Speech perception by the chinchilla: voiced-voiceless distinction in alveolar plosive consonants

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Science  03 Oct 1975:
Vol. 190, Issue 4209, pp. 69-72
DOI: 10.1126/science.1166301


Four chinchillas were trained to respond differently to /t/ and /d/ consonant-vowel syllables produced by four talkers in three vowel contexts. This training generalized to novel instances, including synthetically produced /da/ and /ta/ (voice-on-set times of 0 and +80 milliseconds, respectively). In a second experiment, synthetic stimuli with voice-onset times between 0 and +80 milliseconds were presented for identification. The form of the labeling functions and the "phonetic boundaries" for chinchillas and English-speaking adults were similar.

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