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Swallowing, otherwise known as deglutition, facilitates the transport of food from the mouth to the stomach. It is a multifaceted process that involves both the tongue and the muscles of the throat and esophagus. Saliva and mucus aid in this process, which takes approximately 4 to 8 seconds for semi-solid or solid food and around 1 second for liquids or very soft food.
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The oral cavity, or the mouth, is a complex structure in humans that plays a vital role in our day-to-day lives. Its role is not only in chewing and swallowing food; it also plays a role in speech and facial expressions.
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The hypothalamus is a small yet highly complex and essential brain region that plays a crucial role in regulating various bodily functions. Anatomically, it is located at the base of the brain, just above the brainstem and below the thalamus, forming part of the limbic system.
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Related Experiment Video

Updated: Jul 12, 2025

Coordinate Mapping of Hyolaryngeal Mechanics in Swallowing
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The coordination of chewing.

Dominic Falardeau1, Sophia Dubois1, Arlette Kolta2

  • 1Centre Interdisciplinaire de Recherche sur le Cerveau et l'Apprentissage (CIRCA), QC, Canada; Department of Neurosciences, Faculty of Medecine, Université de Montréal, QC, Canada.

Current Opinion in Neurobiology
|November 1, 2023
PubMed
Summary

This study reviews the neural control of feeding, focusing on the coordinated orofacial systems for chewing and swallowing. It highlights recent advances in understanding the masticatory machinery and its links to other movements.

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Area of Science:

  • Neuroscience
  • Motor Control
  • Sensory Systems

Background:

  • Feeding behavior relies on complex neural circuitry linking the cortex, brainstem, and muscles.
  • Precise synchronicity between orofacial sensory and motor systems is crucial for chewing and swallowing.
  • Premotor neuron integration optimizes orofacial movement patterns.

Purpose of the Study:

  • To provide an overview of current knowledge on orofacial systems.
  • To highlight recent breakthroughs in the masticatory machinery.
  • To explore the interplay between mastication, swallowing, and limb movement.

Main Methods:

  • Review of recent scientific literature.
  • Analysis of creative techniques used in orofacial system research.
  • Focus on studies employing advanced methodologies.

Main Results:

  • Significant discoveries have been made in identifying key components of feeding behavior.
  • Understanding of the masticatory machinery has advanced considerably.
  • Interconnections between mastication, swallowing, and limb movement are increasingly recognized.

Conclusions:

  • Orofacial systems are highly complex and coordinated.
  • Recent research has yielded significant insights into the neural control of feeding.
  • Further exploration of the integration of orofacial functions is warranted.