Folia phoniatrica et logopaedica : official organ of the International Association of Logopedics and Phoniatrics (IALP) · 2023
Laryngeal Diadochokinesis in the Mandarin Population.
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Fu Zhen, Xu TianEn, Lang Xiao, Kim HaKyung, Ma WenLin, Shao Jie, Kang XiaoXi
Аннотация
INTRODUCTION: This study identifies the most suitable syllable for laryngeal diadochokinesis (LDDK) in Mandarin speakers.
METHODS: One hundred and ten Mandarin speakers aged 18-83 years were used in the study. LDDK was assessed using quick repetitions of /ʔe/, /ʔi/, /ʔa/, /he/, /ha/, and /hi/. The observation index included the average rate (syllable/s) and regularity (%).
RESULTS: In the various age groups, there was no significant difference in LDDK rate and regularity of adducted syllables (p > 0.05), and only the regularity of /ʔi/ is significantly different between aged 18-40 and 41-64 years (p = 0.040). When vocal fold adduction was compared between various syllables, there was no significant difference in LDDK rate and regularity (p > 0.05). In various age groups, the LDDK rate of abduction syllables is different (p < 0.05) compared with the LDDK regularity of abduction syllables (p > 0.05). In various abduction syllables, there is no difference in LDDK rate (p > 0.05); however, /ha/ and /hi/ have significant differences in LDDK regularity (p = 0.007).
CONCLUSION: According to the preliminary data, /ʔa/ and /ha/ can be used as suitable indicators to analyse the coordination ability of the laryngeal movement of Mandarin speakers.
METHODS: One hundred and ten Mandarin speakers aged 18-83 years were used in the study. LDDK was assessed using quick repetitions of /ʔe/, /ʔi/, /ʔa/, /he/, /ha/, and /hi/. The observation index included the average rate (syllable/s) and regularity (%).
RESULTS: In the various age groups, there was no significant difference in LDDK rate and regularity of adducted syllables (p > 0.05), and only the regularity of /ʔi/ is significantly different between aged 18-40 and 41-64 years (p = 0.040). When vocal fold adduction was compared between various syllables, there was no significant difference in LDDK rate and regularity (p > 0.05). In various age groups, the LDDK rate of abduction syllables is different (p < 0.05) compared with the LDDK regularity of abduction syllables (p > 0.05). In various abduction syllables, there is no difference in LDDK rate (p > 0.05); however, /ha/ and /hi/ have significant differences in LDDK regularity (p = 0.007).
CONCLUSION: According to the preliminary data, /ʔa/ and /ha/ can be used as suitable indicators to analyse the coordination ability of the laryngeal movement of Mandarin speakers.