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July 1976

Acoustic Reflex Characteristics in Spastic Dysphonia

Author Affiliations

From the Department of Otorhinolaryngology and Communicative Sciences, Baylor College of Medicine, Texas Medical Center, Houston.

Arch Otolaryngol. 1976;102(7):411-415. doi:10.1001/archotol.1976.00780120059007

•Acoustic reflex characteristics were studied in six persons with spastic dysphonia. Two methods of analysis were used: (1) a double-blind qualitative judgment of acoustic reflex recordings, and (2) a quantitative analysis of specific temporal characteristics of the acoustic reflexes. Judgments of reflex recordings did not reliably differentiate spastic dysphonia subjects from controls. An analysis of five latency measures revealed a difference between groups only in one measure, reflex contraction time.

(Arch Otolaryngol 102:411-415, 1976)

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