Phonotactic and Prosodic Effects on Word Segmentation in Infants

Mattys, Sven L.; Jusczyk, Peter W.; Luce, Paul A.; Morgan, James L.

doi:10.1006/cogp.1999.0721

Cited by 352 publications

(296 citation statements)

References 74 publications

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“…These types of information (prosodic stress, phonotactics, context-sensitive allophones, and so on) are all exploited efficiently by adult listeners. And infants within the first year of life likewise exploit prosodic information (Jusczyk et al, 1999b), phonotactic sequence constraints (Mattys et al, 1999;Mattys & Jusczyk, 2001), context-sensitive allophones (Jusczyk et al, 1999a), and even statistical cues to word boundaries (Saffran, Aslin, & Newport, 1996) and talker-specific idiosyncasies (Houston, 1999;Nazzi, Jusczyk, & Johnson, 2000). All of these types of information can be learned from experience with language input and all can help with the problem of segmenting words from context.…”

Section: Discussionmentioning

confidence: 99%

“…How do infants decide which cue is correct in such a situation? Some evidence suggests that, soon after English-learners begin to segment words, when prosodic stress cues conflict with other types of word boundary cues, infants tend to rely more heavily on the prosodic stress cues (Johnson & Jusczyk, 2001;Mattys et al, 1999). However, as noted above, by 10.5 months, English-learners do segment weak/strong words, suggesting that other types of cues can outweigh prosodic stress cues in some circumstances.…”

Section: Introductionmentioning

confidence: 94%

“…However, at this age they also appear to use phonotactic cues in segmenting words (Mattys & Jusczyk, 2001;Mattys, Jusczyk, Luce, & Morgan, 1999). In particular, 9-month-olds are better able to segment words from contexts that provide good phonotactic cues (Mattys & Jusczyk, 2001).…”

Section: Introductionmentioning

confidence: 94%

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Lexical viability constraints on speech segmentation by infants

Johnson

Jusczyk

Cutler

et al. 2003

Cognitive Psychology

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The Possible Word Constraint limits the number of lexical candidates considered in speech recognition by stipulating that input should be parsed into a string of lexically viable chunks. For instance, an isolated single consonant is not a feasible word candidate. Any segmentation containing such a chunk is disfavored. Five experiments using the head-turn preference procedure investigated whether, like adults, 12-month-olds observe this constraint in word recognition. In Experiments 1 and 2, infants were familiarized with target words (e.g., rush), then tested on lists of non-

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 94%

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Lexical viability constraints on speech segmentation by infants

Johnson

Jusczyk

Cutler

et al. 2003

Cognitive Psychology

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“…Over the past 10 years, developmental scientists have investigated the problem of segmentation in NH infants and the role of various types of linguistic cues to segmentation such as rhythmic [27,28], statistical/distributional [29][30][31], coarticulatory [32], phonotactic [33,34], and allophonic [35]. Some of these cues, such as statistical/distributional and coarticulatory information may be similar across languages, while others vary substantially from language to language.…”

Section: Segmentation Of Words From Fluent Speechmentioning

confidence: 99%

Speech perception skills of deaf infants following cochlear implantation: a first report

Houston

Pisoni

Kirk

et al. 2003

International Journal of Pediatric Otorhinolaryngology

104

116

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SummaryObjective-We adapted a behavioral procedure that has been used extensively with normalhearing (NH) infants, the visual habituation (VH) procedure, to assess deaf infants' discrimination and attention to speech.Methods-Twenty-four NH 6-month-olds, 24 NH 9-month-olds, and 16 deaf infants at various ages before and following cochlear implantation (CI) were tested in a sound booth on their caregiver's lap in front of a TV monitor. During the habituation phase, each infant was presented with a repeating speech sound (e.g. 'hop hop hop') paired with a visual display of a checkerboard pattern on half of the trials ('sound trials') and only the visual display on the other half ('silent trials'). When the infant's looking time decreased and reached a habituation criterion, a test phase began. This consisted of two trials: an 'old trial' that was identical to the 'sound trials' and a 'novel trial' that consisted of a different repeating speech sound (e.g. 'ahhh') paired with the same checkerboard pattern.Results-During the habituation phase, NH infants looked significantly longer during the sound trials than during the silent trials. However, deaf infants who had received cochlear implants (CIs) displayed a much weaker preference for the sound trials. On the other hand, both NH infants and deaf infants with CIs attended significantly longer to the visual display during the novel trial than during the old trial, suggesting that they were able to discriminate the speech patterns. Before receiving CIs, deaf infants did not show any preferences.Conclusions-Taken together, the findings suggest that deaf infants who receive CIs are able to detect and discriminate some speech patterns. However, their overall attention to speech sounds may be less than NH infants'. Attention to speech may impact other aspects of speech perception and spoken language development, such as segmenting words from fluent speech and learning novel words. Implications of the effects of early auditory deprivation and age at CI on speech perception and language development are discussed.

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“…Ninemonth-olds detect the difference between consonants that cross a syllable boundary from those that cross a word boundary (Mattys, Jusczyk, Luce & Morgan, 1999). For example, in English the string CVŋ.kVC is an allowable within-word consonant sequence between syllables.…”

mentioning

confidence: 99%