Categorical and noncategorical modes of speech perception along the voicing continuum

David B. Pisoni, Joan House Lazarus

Research output: Contribution to journalArticle

110 Scopus citations

Abstract

Native speakers of English identified and then discriminated between stimuli which varied in voice onset time (VOT). One group of listeners identified a randomized sequence of stimuli; another group identified an ordered sequence of stimuli, in which stimuli from the VOT continuum were presented in a consecutive order. Half of the subjects in each group then received one of 2 discrimination formats: the ABX discrimination test in which X was identified with A or with B, or 4IAX test of paired similarity in which 2 pairs of stimuli, one pair always the same and one pair always different, were presented on each trial. Noncategorical perception of the voicing distinction, reflected by an improvement in discrimination within phonetic categories, was obtained for the group of listeners who experienced both the sequential identification procedure and the 4IAX discrimination test. The results are interpreted as providing evidence for separate auditory and phonetic levels of discrimination in speech perception.

Original languageEnglish (US)
Pages (from-to)328-333
Number of pages6
JournalJournal of the Acoustical Society of America
Volume55
Issue number2
DOIs
StatePublished - Feb 1974

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

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