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Related Experiment Videos

Soft palate reflex: technical requirements and first results.

G S Godbersen1, J Schneider-Littfeld, J A Werner

  • 1Department of Oto-, Rhino-, Laryngology, University of Kiel, Germany.

The Cleft Palate-Craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association
|July 1, 1992
PubMed
Summary

This study outlines methods for measuring soft palate reflexes using electromyography. Results show the levator veli palatini muscle contracts upon soft palate stimulation, with consistent reaction times in most healthy individuals.

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Area of Science:

  • Neurology
  • Physiology

Background:

  • The soft palate's reflex activity is crucial for functions like swallowing and speech.
  • Objective measurement methods for soft palate reflexes are not well-established.

Purpose of the Study:

  • To describe the technical requirements for measuring soft palate reflexes.
  • To present initial findings on soft palate reflex responses in healthy subjects.

Main Methods:

  • Utilized standard electromyographic (EMG) techniques.
  • Employed a novel device for mechanical stimulation of the soft palate.
  • Recorded and processed EMG signals to detect muscle activity.

Main Results:

  • Demonstrated electromyographically measurable contractions of the musculus levator veli palatini in response to soft palate stimulation.

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  • Observed consistent response latencies in individual subjects, typically between 30-61 ms.
  • Noted variations in reflex elicitation, with some subjects showing delayed responses or no reflex.

    • Conclusions:

    • Established technical prerequisites for objective soft palate reflex measurements.
    • Confirmed the musculus levator veli palatini's role in the soft palate reflex arc.
    • Highlighted the potential for EMG in assessing palatal neuromuscular function.