Phonological phrase boundaries constrain lexical access I. Adult data

Christophe, Anne; Peperkamp, Sharon; Pallier, Christophe; Block, Eliza; Mehler, Jacques

doi:10.1016/j.jml.2004.07.001

Cited by 148 publications

(134 citation statements)

References 47 publications

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“…Rather, the language-specific pronunciation norms along this dimension were maintained in clear and conversational speech. While accumulated production and perception results from previous studies showed that fine grained phonetic detail of segmental duration encodes information from various linguistic levels and in turn governs speech comprehension ͑Cho et Cutler and Otake, 1994;Fougeron, 1999;Christophe et al, 2004͒, these data suggest that the same relative durations for these effects should be maintained across changes in speaking styles and rates. In other words, in order for listeners to successfully interpret the speech signal and derive information about linguistic structure ͑lexical access, segment identification, prosodic structure, etc.͒, they may rely on local timing relations, which can be measured as durational ratios.…”

Section: Summary and Discussionmentioning

confidence: 74%

“…Moreover, informal observations showed an increase in the number of intermediate ͑ip͒ and IPs within PPs as well, i.e., a number of smaller PPs that did not coincide with the pauses were produced as well. These phrases are often marked by intonation patterns ͑F0͒, phrase-initial and -final lengthening and reduced coarticula-tion between phonemes across boundaries ͑Wightman et Keating et al, 2003;Byrd et al, 2000͒. There is evidence that the acoustic correlates of these phrases, as well as of word-level stress, aid listeners in lexical segmentation, i.e., in finding word boundaries and in resolving lexical competition ͑Cho et Cutler and Otake, 1994;Fougeron, 1999;Christophe et al, 2004͒. Christophe et al ͑2004͒ found that monosyllabic words were accessed faster in a two-word sequence when the two words belonged to two separate phonological phrases than when they belonged to the same phrase.…”

Section: Summary and Discussionmentioning

confidence: 99%

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Temporal organization of English clear and conversational speech

Smiljanić

Bradlow

2008

The Journal of the Acoustical Society of America

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This study investigated the effect of hyperarticulated, intelligibility-enhancing clear speech on temporal characteristics as reflected in number, durations, and variability of consonant and vowel intervals in sentence-and paragraph-length utterances. The results of sentence-in-noise listening tests showed a consistent clear speech intelligibility gain across the utterances of varying complexity indicating that the talkers successfully maintained clear speech articulatory modifications throughout longer stretches of speech. The acoustic analysis revealed that some temporal restructuring accompanied changes in speaking style. This temporal restructuring was observed in the insertion of consonant and vowel segments that were dropped or coarticulated in conversational speech and in an increase in the number of prosodic phrases for clear speech. Importantly, coefficients of variation ͑variation of consonantal and vocalic intervals normalized for changes in speaking rate͒ for both consonantal and vowel intervals remained stable in the two speaking styles. Overall, these results suggest that increased intelligibility of clear speech may be attributed to prosodic structure enhancement ͑increased phrasing and enhanced segmentability͒ and stable global temporal properties.

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Section: Summary and Discussionmentioning

confidence: 74%

Section: Summary and Discussionmentioning

confidence: 99%

Temporal organization of English clear and conversational speech

Smiljanić

Bradlow

2008

The Journal of the Acoustical Society of America

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“…Recently, in a study in French (Christophe, Peperkamp, Pallier, Block, & Mehler, 2004), listeners were presented with sentences containing a local lexical ambiguity. For example, the phrase chat grincheux (grumpy cat) contains the word chagrin (sorrow).…”

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confidence: 99%

Segment duration as a cue to word boundaries in spoken-word recognition

Shatzman

McQueen

2006

Perception & Psychophysics

101

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In two eye-tracking experiments, we examined the degree to which listeners use acoustic cues to word boundaries. Dutch participants listened to ambiguous sentences in which stop-initial words (e.g., pot , j jar) were preceded by eens (once); the sentences could thus also refer to cluster-initial words (e.g., een spot , a spotlight). The participants made fewer fixations to target pictures (e.g., a jar) when the target and the preceding [s] were replaced by a recording of the cluster-initial word than when they were spliced from another token of the target-bearing sentence (Experiment 1). Although acoustic analyses revealed several differences between the two recordings, only [s] duration correlated with the particip pants' fixations (more target fixations for shorter [s]s). Thus, we found that listeners apparently do not use all available acoustic differences equally. In Experiment 2, the participants made more fixations to target pictures when the [s ] was shortened than when it was lengthened. Utterance interpretation can therefore be influenced by individual segment duration alone.

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“…Listeners can use the acoustic correlates of prosodic structure to decode those structures, facilitating segmentation of words at prosodic boundaries (e.g., Christophe, Peperkamp, Pallier, Block, & Mehler, 2004). For instance, word-and phrase-final lengthening appears to facilitate segmentation of words not only in continuous native-language speech (Kim & Cho, 2009;Salverda, Dahan, & McQueen, 2003), but also in artificial-language speech streams (Bagou, Fougeron, & Frauenfelder, 2002;Kim, Broersma, & Cho, 2012;Saffran, Newport, & Aslin, 1996;Tyler & Cutler, 2009).…”

Section: Introductionmentioning

confidence: 99%

“…We therefore do not know whether word-initial stops embedded in a phrase are indeed produced with shorter VOTs than wordmedial stops in Dutch. But we do know that phrase-boundary cues (which necessarily also occur at word boundaries) facilitate lexical segmentation relative to phrase-internal word-boundary cues (e.g., Cho et al, 2007;Christophe et al, 2004;Kim & Cho, 2009). Given that shortened VOTs mark Dutch phrase boundaries, Dutch listeners may make use of these cues when segmenting novel lexical sequences that occur in an artificial language.…”

Section: Introductionmentioning

confidence: 99%

Phonetic richness can outweigh prosodically-driven phonological knowledge when learning words in an artificial language

Kim

Cho

McQueen

2012

Journal of Phonetics

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a b s t r a c tHow do Dutch and Korean listeners use acoustic-phonetic information when learning words in an artificial language? Dutch has a voiceless 'unaspirated' stop, produced with shortened Voice Onset Time (VOT) in prosodic strengthening environments (e.g., in domain-initial position and under prominence), enhancing the feature { À spread glottis}; Korean has a voiceless 'aspirated' stop produced with lengthened VOT in similar environments, enhancing the feature {þ spread glottis}. Given this crosslinguistic difference, two competing hypotheses were tested. The phonological-superiority hypothesis predicts that Dutch and Korean listeners should utilize shortened and lengthened VOTs, respectively, as cues in artificial-language segmentation. The phonetic-superiority hypothesis predicts that both groups should take advantage of the phonetic richness of longer VOTs (i.e., their enhanced auditory-perceptual robustness). Dutch and Korean listeners learned the words of an artificial language better when wordinitial stops had longer VOTs than when they had shorter VOTs. It appears that language-specific phonological knowledge can be overridden by phonetic richness in processing an unfamiliar language. Listeners nonetheless performed better when the stimuli were based on the speech of their native languages, suggesting that the use of richer phonetic information was modulated by listeners' familiarity with the stimuli.

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Phonological phrase boundaries constrain lexical access I. Adult data

Cited by 148 publications

References 47 publications

Temporal organization of English clear and conversational speech

Temporal organization of English clear and conversational speech

Segment duration as a cue to word boundaries in spoken-word recognition

Phonetic richness can outweigh prosodically-driven phonological knowledge when learning words in an artificial language

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