In English, AdSD is characterized by hyperadduction during phonation on vowels. AbSD, is characterized by prolonged voiceless consonants before vowel onset.
Also the perceptual quality of SD in English is different than French perceptual qualities as you will find in the Pearlmann-Lorch & Whurr 2009 study.
I was wondering if you found any differences in perceptual qualities or specific phonological instances where AdSD symptoms arise during the reading passage in Mandarin? I would really appreciate any feedback since I am assisting a professor with related research and I am trying to look for research that has addressed SD symptoms in other languages. Thank you so much
Hi, Priscilla
In terms of acoustic assessment, phonatory breaks percentage and aperiodic segments and frequency shifts of vowel and reading in patients with adductor spasmodic dysphonia in Mandarin speaking patients, as well as harmonics-to-noise ratio are significantly worse than controls.
I can give you a list of papers concerned with this specific issues, as well as provide a speech corpus of Mandarin syllables for which phonatory break occurs in up to 90% of patients. Please contact me if interested.
Best,
Christina
Hi again,
Here are some of the papers you might find useful for your research:
1. Chen, Z. et al.: Acoustic and Perceptual Analyses of Adductor Spasmodic Dysphonia in Mandarin-speaking Chinese, Journal of The Voice Foundation (Elsevier), Feb. 2018
2. Ge, P. et al: Stimuli phrases of adductor spasmodic dysphonia phonatory break in Mandarin Chinese, Journal of Clinical Otorhinolaryngology, Head and Neck Surgery, Dec. 2015
3. Xu et al: Application of the Mandarin Chinese Version of the Voice Handicap Index, Journal of Voice, 2010; 24 (6): 702-707
4. Xu et al: Analysis of reliability and validity of the Chinese version of VHI, Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2008; 43 (9): 670-675, (in Chinese)
5. Chen, Z. at al.: The Mandarin Version of the Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V) and its Reliability, Journal of Speech, Language and Hearing Research, Oct, 2018, 61 (10): 2451-2457
I hope you find that useful, good luck!
Christina
Christina E. Valaki , would you happen to have the full text of the second article? I cannot find it on my own , ty
Hi Priscilla,
The full-text article is only available in Chinese. An English abstract is available of course.
臨床耳鼻咽喉頭頸外科雜誌 2015 Dec;29(24):2126-8
This is the Chinese name of the Journal issue. I suggest you contact a Chinese colleague, I speak Chinese myself and I suppose I could do the translation for you, but I am pretty busy these days and there's no way I can help right now.
Let me know if you find a solution, otherwise I might put you in contact with Chinese fellow researchers.
Best,
Christina
I also suggest you contact the authors on Researchgate. I'm sure they'll provide answers to your questions.
I can also provide the extended abstract which gives a detailed description of the experiment, methods and material, in English. Just let me know and I'll attach it in a message.
Christina
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