References
- Bleile, K., & Schwarz, I. (1984). Three perspectives on the speech of children with Down’s syndrome. Journal of Communication Disorders, 17, 87–94.
- Bolfan-Stosic, N., & Hedever, M. (1999). Acoustical voice characteristics of children with Down syndrome. Hrvatska Revija za Rehabilitacijska Istrazivanja, 35, 99–104.
- Brown-Sweeney, S. G., & Smith, B. L. (1996). The development of speech production abilities in children with Down syndrome. Clinical Linguistics & Phonetics, 11, 345–362.
- Callahan Mandaluk, K., Zajac, D. J., Harris, A., Roberts, J. E., & Cox, L. (2006). Speech segment analysis in boys with Fragile X and Down syndrome. Poster presentation at ASHA, Miami Beach, FL.
- Crosley, P. A., & Dowling, S. (1989). The relationship between cluster and liquid simplification and sentence length, age, and IQ in Down’s syndrome children. Journal of Communication Disorders, 22, 151–168.
- Crosley, P. A., & Dowling, S. (1991). The relationship between the production of stridents and velars, and sentence length, IQ, and chronological age in children with Down syndrome. Journal of Speech and Language Pathology, 15(4), 65–72.
- Duckworth, M., Allen, G., Hardcastle, W., & Ball, M. J. (1990). Extensions to the International Phonetic Alphabet for the transcription of atypical speech. Clinical Linguistics & Phonetics, 4, 273–280.
- Gibbon, F. E., & Wood, S. E. (2002). Articulatory drift in the speech of children with articulation and phonological disorders. Perceptual and Motor Skills, 95, 295–307.
- Hamilton, C. (1993). Investigation of the articulatory patterns of young adults with Down’s syndrome using electropalatography. Down’s Syndrome: Research and Practice, 1, 15–28.
- Heselwood, B. C., Bray, M., & Crookston, I. (1995). Juncture, rhythm and planning in the speech of an adult with Down syndrome. Clinical Linguistics & Phonetics, 11, 43–61.
- Hickson, F. (1987). The Manchester Picture Test: A summary. Manchester: University of Manchester.
- Kumin, L., Councill, C., & Goodman, M. (1994). A longitudinal study of the emergence of phonemes in children with Down’s syndrome. Journal of Communication Disorders, 27, 293–303.
- Lee, M. T., Thorpe, J., & Verhoeven, J. (2009). Intonation and phonation in young adults with Down syndrome. Journal of Voice, 23, 82–87.
- McAuliffe, M. J., Robb, M. P., & Murdoch, B. (2007). Acoustic and perceptual analysis of speech adaptation to an artificial palate. Clinical Linguistics & Phonetics, 21, 885–894.
- Moura, C. P., Cunha, L. M., Vilarinho, H., Cunha, M. J., Freitas, D., Palha, M., Pueschel, S. M., & Pais-Clemente, M. (2008). Voice parameters in children with Down syndrome. Journal of Voice, 22, 34–42.
- Roberts, J., Long, S., Malkin, C., Barnes, E., Skinner, M., Hennon, E., & Anderson, K. (2005). A comparison of phonological skills of boys with Fragile X syndrome and Down syndrome. Journal of Speech, Language and Hearing Research, 48, 980–995.
- Rondal, J., & Edwards, S. (1997). Language in mental retardation. London: Whurr.
- Shriberg, L. D., & Widder, C. J. (1990). Speech and prosody characteristics of adults with mental retardation. Journal of Speech and Hearing Research, 33, 627–653.
- Smith, B. L., & Stoel-Gammon, C. (1983). A longitudinal study of the development of stop consonant production in normal and Down’s syndrome children. Journal of Speech and Hearing Disorders, 48, 114–118.
- Stoel-Gammon, C. (1980). Phonological analysis of four Down’s syndrome children. Applied Psycholinguistics, 1, 31–48.
- Stojanovik, V. (2010). Understanding and production of prosody in children with Williams syndrome: A developmental trajectory approach. Journal of Neurolinguistics, 23, 112–126.
- Timmins, C., Cleland, J., Wood, S. E., Hardcastle, W., & Wishart, J. (2009). A perceptual and electropalatographic study of /ʃ/ in young people with Down’s syndrome. Clinical Linguistics & Phonetics, 23, 911–925.
- Timmins, C., Hardcastle, W., Wood, S. E., McCann, J., & Wishart, J. (2007). Variability in fricative production of young people with Down’s syndrome: An EPG analysis. In J. Trouvain & W. J. Barry (Eds.), Proceedings of 16th international congress of ICPhS (pp. 1981–1984). Dudweiler: Pirrot.
- Van Borsel, J. (1988). An analysis of the speech of five Down’s syndrome adolescents. Journal of Communication Disorders, 21, 409–421.