Speech: Behavior of Middle Ear Muscle during Stuttering

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Science  27 May 1966:
Vol. 152, Issue 3726, pp. 1280
DOI: 10.1126/science.152.3726.1280


Behavior of the middle ear muscle during speaking was observed in five stutterers by means of the Zwislocki acoustic impedance bridge. Change in impedance did not always parallel precisely the changes in speecli sound level. Impedance changed during the initiation and dluring the course of the stuttering block.