Cochlear dead region and word recognition of Mandarin Chinese in Taiwan

Li Min Tseng, Guo She Lee, Edward Yang, Neo Young, Chien Yeh Hsu

Research output: Contribution to journalArticle

Abstract

In a tonal language, the identity of a word depends largely on the tonal identification of the contour of vocal fundamental frequency energy of which usually centers in a low frequency of less than 600 Hz. However, cochlear dead region (DR) is present mostly in the frequency range of 2000 Hz to 4000 Hz, and the effect of DR on a tonal language is worth investigating. Thirty-two native Mandarin speakers with moderate-to-severe degree of sensorineural hearing loss were included in this study. The pure-tone audiometry, speech recognition threshold (SRT) and word recognition score (WRS) were used to evaluate the degree of hearing loss and word recognition. The threshold equalizing noise (TEN) tests were used to identify the presence of DR. The results showed that most DRs were present in high frequencies. The hearing thresholds of the ears with a DR were not significantly different from those without DR. However, the WRS was significantly worse for the DR ears, especially for those whose DR included three or more audiometric frequencies. A DR caused a significantly worse word recognition for the tonal language speakers of Mandarin in Taiwan, although the DR frequency occurred in the high frequency of 2000 Hz to 4000 Hz.

Original languageEnglish
JournalChinese Journal of Physiology
Volume56
Issue number3
DOIs
Publication statusPublished - 2013

Fingerprint

Cochlea
Taiwan
Language
Ear
Pure-Tone Audiometry
Sensorineural Hearing Loss
Hearing Loss
Hearing
Noise

Keywords

  • Cochlear dead region
  • Mandarin Chinese in Taiwan
  • Sensorineural hearing loss
  • Threshold equalizing noise
  • Tonal language;
  • Word recognition

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

Cite this

Cochlear dead region and word recognition of Mandarin Chinese in Taiwan. / Tseng, Li Min; Lee, Guo She; Yang, Edward; Young, Neo; Hsu, Chien Yeh.

In: Chinese Journal of Physiology, Vol. 56, No. 3, 2013.

Research output: Contribution to journalArticle

Tseng, Li Min ; Lee, Guo She ; Yang, Edward ; Young, Neo ; Hsu, Chien Yeh. / Cochlear dead region and word recognition of Mandarin Chinese in Taiwan. In: Chinese Journal of Physiology. 2013 ; Vol. 56, No. 3.
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