Perceptual compensation for coarticulation by Japanese quail (Coturnix coturnix japonica)

Andrew J. Lotto, Keith R. Kluender, Lori L. Holt

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Abstract

When members of a series of synthesized stop consonants varying in third-formant (F3) characteristics and varying perceptually from /da/ to/ga/ are preceded by /al/, human listeners report hearing more /ga/ syllables than when the members of the series are preceded by /ar/. It has been suggested that this shift in identification is the result of specialized processes that compensate for acoustic consequences of coarticulation. To test the species- specificity of this perceptual phenomenon, data were collected from nonhuman animals in a syllable 'labeling' task. Four Japanese quail (Coturnix coturnix japonica) were trained to peck a key differentially to identify clear /da/ and /ga/ exemplars. After training, ambiguous members of a /da/-/ga/ series were presented in the context of /al/ and /ar/ syllables. Pecking performance demonstrated a shift which coincided with data from humans. These results suggest that processes underlying 'perceptual compensation for coarticulation' are species-general. In addition, the pattern of response behavior expressed is rather common across perceptual systems.

Original languageEnglish (US)
Pages (from-to)1134-1140
Number of pages7
JournalJournal of the Acoustical Society of America
Volume102
Issue number2
DOIs
StatePublished - Aug 1 1997

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ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

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