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Comparison Between Automatic and Volitional Swallow in Healthy Individuals Using Tongue Array and Cervical Auscultation Modules

  • Krishnamurthy RahulEmail author
  • Narayanan Swapna
  • Ramachandran Resmitha
  • Krishnakumar Jyotsna
Original Article
  • 19 Downloads

Abstract

In healthy normal individuals, the act of swallowing can be performed volitionally or can occur spontaneously. Several attempts have been made to look into the possible differences that might exist between automatic swallow (AS) and volitional swallow (VS). The present study is an attempt to physiologically differentiate AS from that of VS, using combined modules of tongue array and cervical auscultation of Digital Swallowing Workstation. 15 males and 15 female participants in the age range of 18–25 participated in the present study. They performed an AS task and a VS task. These were analyzed for parameters of maximum amplitude, duration and pressure. The result of the study revealed higher values for all the parameters of VS, but a statistically significant difference only for the duration parameter of cervical auscultation. This finding leads to the impression that the duration of vocal fold closure plays a major role in airway protection. Similar interesting findings on effect of gender and nature and organization of AS and VS have been discussed.

Keywords

Swallowing Swallowing disorders Dysphagia Swallow physiology 

Notes

Compliance with Ethical Standards

Conflict of interest

All the authors of the present study declare that, we have no conflict of interest.

Ethical Approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed Consent

An informed consent was obtained from all the participants of the study.

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Copyright information

© Association of Otolaryngologists of India 2019

Authors and Affiliations

  1. 1.Department of Audiology and Speech Language Pathology, Kasturba Medical College, MangaloreManipal Academy of Higher EducationManipalIndia
  2. 2.Department of Speech Language PathologyAll India Institute of Speech and HearingMysoreIndia

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