Categorical and noncategorical modes of speech perception along the voicing continuum
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TLDR
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.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 Ss in each group then received one of two discrimination formats: the ABX discrimination test in which X was identified with A or with B, or 4IAX test of paired similarity in which two 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.read more
Citations
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The TRACE model of speech perception.
TL;DR: The TRACE model, described in detail elsewhere, deals with short segments of real speech, and suggests a mechanism for coping with the fact that the cues to the identity of phonemes vary as a function of context.
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Examination of perceptual reorganization for nonnative speech contrasts: Zulu click discrimination by English-speaking adults and infants.
TL;DR: It is hypothesized that a phonemic process appears around 10-12 months that assimilates speech sounds to native categories whenever possible; otherwise, they are perceived in auditory or phonetic (articulatory) terms.
Book
Speech Perception By Ear and Eye: A Paradigm for Psychological Inquiry
TL;DR: In this paper, the processing of information in face-to-face communication when a speaker makes both audible and visible information available to a perceiver is discussed. But the evaluation of the information source provides information about the strength of alternative interpretations, rather than just all-or-none categorical information, as claimed by "categorical perception" theory.
The emergence of native-language phonological influences in infants: A perceptual assimilation model.
TL;DR: The authors found that very young infants discriminate not only the segmental contrasts of their native language, but many non-native contrasts as well, as yet apparently unfettered by the phonological constraints of their own language.
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The Now-or-Never bottleneck: A fundamental constraint on language.
TL;DR: It is argued that, to deal with this “Now-or-Never” bottleneck, the brain must compress and recode linguistic input as rapidly as possible, which implies that language acquisition is learning to process, rather than inducing, a grammar.
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