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An eye-tracking study investigated how the interaction between syllable frequency and syllable-specific tonal probability guides online lexical access in speakers of mutually unintelligible Chinese dialects with three disparate tonal systems. Mono-dialectal Mandarin speakers, bi-dialectal Shanghai-Mandarin speakers and bi-dialectal Cantonese-Mandarin speakers searched for target Mandarin syllable-tone combinations while their eye movements and mouse clicks were recorded. The results showed dialectal differences in online eye fixation patterns but not in offline mouse responses. For all groups, mouse clicks were fastest for infrequent syllables with most probable tones and slowest for infrequent syllables with least probable tones. In online eye movement responses, only mono-dialectal Mandarin speakers showed an interaction between syllable frequency and tonal probability. Mono-dialectal Mandarin speakers' fixations were fastest for infrequent syllables with probable tones and slowest for infrequent syllables with improbable tones. Mono-dialectal speakers also showed a greater amount of competition from the more probable segmental competitor when hearing improbable tones. Bi-dialectal speakers showed different timing in their integration of tonal probabilities. These findings suggest that highly bilingual speakers track and use Mandarin tonal probabilities, but their sensitivity to L2 tonal information may lag behind monolinguals for online word recognition. [ABSTRACT FROM AUTHOR]

The perception of prosodic prominence is thought to be influenced by multiple competing factors. Three experiments tested the effects of phonological salience, discourse context and listener’s knowledge about the discourse on prosodic prominence judgements, using short adjective–noun phrases extracted from a corpus of spontaneous speech. These phrases had either a prominent L + H* 0 or a less prominent H* !H* pitch accent contour. The phrases were presented in a discourse context which either supported or did not support a contrastive interpretation of the adjective. Effects of the contrastive context to increase the perception of prominence only emerged for the phrases with the phonologically prominent L + H* 0 pitch accent sequence. Additionally, the magnitude of the contrast effect was correlated with the listener’s awareness of the discourse context, suggesting an ample interplay between linguistic context, pragmatic context, and phonology in prominence perception. [ABSTRACT FROM PUBLISHER]