Neural and Mechanical Response Time for Speech Production The reaction time of 10 neurologically normal young adults was determined for a speech production task. The response was production of a CVC word following the offset of an auditory stimulus tone. Electromyography (EMG) was used to mark the onset of orbicularis oris activity in the response, and the interval ... Research Article
Research Article  |   December 01, 1974
Neural and Mechanical Response Time for Speech Production
 
Author Affiliations & Notes
  • Ronald Netsell
    University of Wisconsin, Madison, Wisconsin
  • Billie Daniel
    University of Wisconsin, Madison, Wisconsin
Article Information
Research Articles
Research Article   |   December 01, 1974
Neural and Mechanical Response Time for Speech Production
Journal of Speech, Language, and Hearing Research, December 1974, Vol. 17, 608-618. doi:10.1044/jshr.1704.608
History: Received June 5, 1973 , Accepted February 14, 1974
 
Journal of Speech, Language, and Hearing Research, December 1974, Vol. 17, 608-618. doi:10.1044/jshr.1704.608
History: Received June 5, 1973; Accepted February 14, 1974

The reaction time of 10 neurologically normal young adults was determined for a speech production task. The response was production of a CVC word following the offset of an auditory stimulus tone. Electromyography (EMG) was used to mark the onset of orbicularis oris activity in the response, and the interval between stimulus and EMG onset was designated as neural time. Mechanical response time was measured as the interval between EMG onset and the rise in intraoral air pressure marking the completion of the movement in the response. Group neural times and mechanical response times were approximately 140 and 60 msec, respectively, yielding a 200-msec reaction time. The usefulness of the reaction time paradigm is discussed in relation to studies of sensorimotor control in normal and dysarthric speech.

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