Funded project

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​​​​From segmental sequencing to pitch-variation skills: New insight for diagnosing childhood apraxia of speech. General Research Fund (GRF). HKSAR Government. Amount: HK704,240. Jan 2022 to Dec 2023.

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Related research output

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Journal article

• Wong, E. C. H., Wong, M. N., & Velleman, S. L. (2024). Acoustic analyses of tone productions in sequencing contexts among Cantonese-speaking preschool children with and without childhood apraxia of speech. Journal of Speech, Language, and Hearing Research. https://doi.org/10.1044/2024_JSLHR-23-00383

• Wong, E. C. H., Wong, M. N., & Velleman, S. L. (2023). Clinical practices of childhood apraxia of speech in Hong Kong: A web-based survey study. PLoS ONE, 18(4): e0284109. https://doi.org/10.1371/journal.pone.0284109

• Wong, E. C. H., Wong, M. N., & Velleman, S. L. (2023). Assessment and diagnostic standards of apraxia of speech in Chinese-speaking adults and children: A scoping review. American Journal of Speech-Language Pathology, 32(1), 316-340. https://doi.org/10.1044/2022_AJSLP-21-00355

• Wong, E. C. H., Wong, M. N., Velleman, S. L., Tong, M. C. F., & Lee, K. Y. S. (2023). Lexical tone perception and production in Cantonese-speaking children with childhood apraxia of speech: A pilot study. Clinical Linguistics & Phonetics, 37(4-6), 319-326. https://doi.org/10.1080/02699206.2022.2074310

• Wong, M. N., Wong, E. C. H., & Velleman, S. L. (2022). Using segmental and suprasegmental sequencing skills to differentiate children with and without childhood apraxia of speech: Protocol for a comparative accuracy study. JMIR Research Protocols, 11(10):e40465. https://doi.org/10.2196/40465

• Wong, E. C. H., Velleman, S. L., Tong, M. C. F., & Lee, K. Y. S. (2021). Pitch variation in children with childhood apraxia of speech: Preliminary findings. American Journal of Speech-Language Pathology. https://doi.org/10.1044/2021_AJSLP-20-0015

• Wong, E. C. H., Lee, K. Y. S., & Tong, M. C. F. (2020). The applicability of the English clinical features of childhood apraxia of speech to Cantonese: A modified Delphi survey. American Journal of Speech-Language Pathology, 29(2), 652-663. https://doi.org/10.1044/2019_AJSLP-19-00118. 

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Conference presentation

• Yang, H. C.. Gu, J. H., Wong, E. C. H., & Wong, M. N. (2025, August). Can Machine learning models identify tone sequencing difficulties in Cantonese-speaking children with speech sound disorders? The 33rd World Congress of the IALP. Malta.

• Zhang, Y. X., Wong, E. C. H., & Wong, M. N. (2025, August). Vowel coarticulation in Cantonese-speaking children with childhood apraxia of speech. The 33rd World Congress of the IALP. Malta.

• Wong, E. C. H., Lam, J. H. S., Wong, M. N., & Velleman, S. L. (2025, August). Applying item response theory to develop a shortened version of the tone sequencing task. The 33rd World Congress of the IALP, Malta.

• Wong, E. C. H., Wong, M. N., & Velleman, S. L. (2024, December). Sensitivity and specificity of two diagnostic tasks in Cantonese speakers with childhood apraxia of speech. Presentation accepted as a virtual poster for the 2024 ASHA Convention Virtual Program, Seattle, Washington, US.

• Wong, E. C. H., Wong, M. N., & Velleman, S. L. (2024, November). Diagnostic accuracy of three speech production tasks of childhood apraxia of speech in Cantonese-speaking preschool children. Presentation accepted as a virtual presentation for the Early Childhood Voices Conference 2024, Charles Sturt University, Australia. 

• Wong, E. C. H., Wong, M. N., Velleman, S. L., & Li, N. L. S. (2024, July). Diagnostic accuracy of Maximum Performance Tasks and Syllable Repetition Tasks for Cantonese-speaking preschool children with childhood apraxia of speech. Paper accepted for poster presentation at the Apraxia Kids National Conference 2024, Pittsburgh, Pennsylvania.

• Wong, E. C. H., Wong, M. N., & Velleman, S. L. (2024, May). Tone sequencing performance in children with childhood apraxia of speech: Acoustic analyses. Paper presented at the 45th International Child Phonology Conference (ICPC) 2024, Virtual (Online).

• Wong, E. C. H., Wong, M. N., Velleman, S. L., & Wong, L. L. S. (2024, February 21-25). Token-to-token tone consistency of children with childhood apraxia of speech on tone sequencing task. Poster presented at the Motor Speech Conference 2024, San Diego, CA. 

• Wong, E. C. H., Wong, M. N., & Velleman, S. L. (2023, December 14-16). Cantonese oral and speech motor assessment for preschool children with childhood apraxia of speech and typical speech-language development. Oral presentation at the 2023 Asia Pacific Society of Speech, Language and Hearing, Ho Chi Minh City, Vietnam.

• Zhang, Y., Wong, E. C. H., & Wong, M. N. (2023, August). Vowel and tonal co-articulation in Cantonese speakers with apraxia of speech. Paper presented at the 32nd World Congress of the IALP 2023.

• Wong, E. C. H., Wong, M. N., Velleman, S. L., & Sit, W. H. (2023, August). Maximum performance tasks performance by Cantonese-speaking preschool children with and without speech sound disorders. Paper presented at the 32nd World Congress of the IALP 2023.

• Chung, H. C., Wong, E. C. H., Wong, M. N., Velleman, S. L., & Loh, J. (2023, July). Performance on syllable repetition tasks by Cantonese-speaking preschool children with childhood apraxia of speech and typical development. Paper presented at the 2023 Symposium of the International Clinical Phonetics and Linguistics Association.

• Wong, E. C. H., Wong, M. N., Velleman, S. L., Lai, E. M. C., & Cheung, T. Y. K. (2023, July). Structural and functional oral-motor abilities in typically developing Cantonese-speaking preschool children and children with childhood apraxia of speech. Paper presented at the 2023 Symposium of the International Clinical Phonetics and Linguistics Association.

• Gildersleeve-Neumann, C., Velleman, S. L., Case, J., & Wong, E. C. H. (2023, July). Childhood apraxia of speech in children whose first language is not English: A deep dive into case studies. Presentation presented at the Pre-conference session of Apraxia-kids National Conference 2023.

• Wong, E. C. H. & Wang, E. (2023, July). Symptomology of bilingual English-Chinese speakers with childhood apraxia of speech. Presentation presented at the Apraxia-Kids National Conference 2023.

• Wong, E. C. H., Wong, M. N., & Velleman, S. L. (2022, November). Tutorial: Diagnosing childhood apraxia of speech in Cantonese speakers with quantitative data. Paper presented for oral presentation at the APSSLH Online Symposium 2022: Innovation on Research and Practice of Speech, Language, and Hearing in Children. 

• Wong, E. C. H., Wong, M. N., & Velleman, S. L. (2022, July 5-7). Review of assessment and diagnosis of childhood apraxia of speech in Chinese speakers. Paper presented at the Apraxia Kids Research Symposium, Las Vegas, the US.

• Wong, E. C. H., Wong, M. N., & Velleman, S. L. (2022, July 5-7). A survey study of clinical management of childhood apraxia of speech in Hong Kong. Paper presented at the Apraxia Kids Research Symposium, Las Vegas, the US.

• Wong, E. C. H., Lee, K. Y. S., & Tong, M. C. F. (2021, June 23-25). Tone Perception and Production in Childhood Apraxia of Speech: A Small Scale Study. The 18th biennial conference of the International Clinical Phonetics and Linguistics Association, Glasgow, the UK.

• Wong, E. C. H. & Lee, K. Y. S. (2018, November). Lexical Tone Identification in Childhood Apraxia of Speech: Two Case Studies. Paper presented at Hong Kong Speech and Hearing Symposium 2018, Hong Kong.