Effects of laryngeal topical anesthesia on voice fundamental frequency perturbation

Sorensen, D.; Horii, Y.; Leonard, R.

Journal of Speech and Hearing Research 23(2): 274-283

1980


ISSN/ISBN: 0022-4685
PMID: 7442190
DOI: 10.1044/jshr.2302.274
Accession: 005311378

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Abstract
Fundamental frequency perturbation (jitter) during sustained vowel phonations of speakers under topical anesthesia of the larynx was investigated for 5 adult males. The average jitter was significantly greater under the anesthesia than normal conditions and the jitter difference between the 2 conditions was more prominent at high frequency phonations. Tactile and proprioceptive feedback in phonatory frequency control are discussed.