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This study investigates whether syntactic cues take precedence over distributional cues in native and non-native speech segmentation by examining native and non-native speech segmentation in potential French-liaison contexts. Native French listeners and English-speaking second-language learners of French completed a visual-world eye-tracking experiment. Half the stimuli contained the pivotal consonant /t/, a frequent word onset but infrequent liaison consonant, and half contained /z/, a frequent liaison consonant but rare word onset. In the adjective–noun condition (permitting liaison), participants heard a consonant-initial target (e.g., le petit tatoué; le fameux zélé) that was temporarily ambiguous at the segmental level with a vowel-initial competitor (e.g., le petit [t]athée; le fameux [z]élu); in the noun–adjective condition (not permitting liaison), they heard a consonant-initial target (e.g., le client tatoué; le Français zélé) that was not temporarily ambiguous with a vowel-initial competitor (e.g., le client [*t]athée; le Français [*z]élu). Growth-curve analyses revealed that syntactic context modulated both groups’ fixations (noun–adjective > adjective–noun), and pivotal consonant modulated both groups’ fixations (/t/ > /z/) only in the adjective–noun condition, with the effect of the consonant decreasing in more proficient French learners. These results suggest that syntactic cues override distributional cues in the segmentation of French words in potential liaison contexts. [ABSTRACT FROM AUTHOR]

This study investigates English listeners’ use of distributional and acoustic-phonetic cues to liaison in French. Liaison creates a misalignment of the syllable and word boundaries, but is signaled by distributional cues (/z/ is a frequent liaison but not a frequent word onset; /t/ is a frequent word onset but a less frequent liaison) and acoustic-phonetic cues (liaison consonants are 15 per cent shorter than word-initial consonants). English-speaking French learners completed a visual-world eye-tracking experiment in which they heard adjective-noun sequences where the pivotal consonant was /t/ (expected advantage for consonant-initial words) or /z/ (expected advantage for liaison-initial words). Their results were compared to those of native French speakers. Both groups showed an advantage for consonant-initial targets with /t/ but no advantage for consonant- or liaison-initial targets with /z/. Both groups’ competitor fixations were modulated by the duration of the pivotal consonant, but only the learners’ fixations to liaison-initial targets were modulated by the duration of the pivotal consonant. This suggests that English listeners use both top-down (distributional) and bottom-up (acoustic-phonetic) cues to liaison in French. Their greater reliance on acoustic-phonetic cues is hypothesized to stem in part from English, where such cues play an important role for locating word boundaries. [ABSTRACT FROM PUBLISHER]

The goal of this study was to explore whether viewing the speaker’s articulatory gestures contributes to lexical access in children (ages 5–10) and in adults. We conducted a vowel monitoring task with words and pseudo-words in audio-only (AO) and audiovisual (AV) contexts with white noise masking the acoustic signal. The results indicated that children clearly benefited from visual speech from age 6–7 onwards. However, unlike adults, the word superiority effect was not greater in the AV than the AO condition in children, suggesting that visual speech mostly contributes to phonemic—rather than lexical—processing during childhood, at least until the age of 10. [ABSTRACT FROM AUTHOR]

This study investigates English listeners’ use of distributional and acoustic-phonetic cues to liaison in French. Liaison creates a misalignment of the syllable and word boundaries, but is signaled by distributional cues (/z/ is a frequent liaison but not a frequent word onset; /t/ is a frequent word onset but a less frequent liaison) and acoustic-phonetic cues (liaison consonants are 15 per cent shorter than word-initial consonants). English-speaking French learners completed a visual-world eye-tracking experiment in which they heard adjective-noun sequences where the pivotal consonant was /t/ (expected advantage for consonant-initial words) or /z/ (expected advantage for liaison-initial words). Their results were compared to those of native French speakers. Both groups showed an advantage for consonant-initial targets with /t/ but no advantage for consonant- or liaison-initial targets with /z/. Both groups’ competitor fixations were modulated by the duration of the pivotal consonant, but only the learners’ fixations to liaison-initial targets were modulated by the duration of the pivotal consonant. This suggests that English listeners use both top-down (distributional) and bottom-up (acoustic-phonetic) cues to liaison in French. Their greater reliance on acoustic-phonetic cues is hypothesized to stem in part from English, where such cues play an important role for locating word boundaries. [ABSTRACT FROM AUTHOR]