#3558. Perception of the /t/-/k/ contrast by Mandarin-speaking children with Speech Sound Disorders

October 2026publication date
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Journal’s subject area:
Language and Linguistics;
Linguistics and Language;
Speech and Hearing;
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Abstract:
Mandarin-speaking children with speech sound disorders (SSD) often show difficulties in producing alveolar and velar plosives contrasts (e.g., /t/ vs. /k/). But it remains unclear whether such phonological disorder correlates with the perception of the contrast between alveolar and velar plosives. The results showed that the TDC and TA groups showed typical patterns of categorical perception in the continuum. Their performance was significantly different from that of the TDC and TA groups and lacked typical patterns of categorical perception. The results suggested that their perception of /t/ vs. /k/ may be impaired. Considering the SSD group’s speech errors, this perception defect may be a cause for their tendency of substituting [t] for /k/.
Keywords:
/t/-/k/ contrast; categorical perception; mandarin-speaking children; Speech sound disorders

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