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Deglutition

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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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Related Experiment Video

Updated: Apr 16, 2026

Assessing Pupil-linked Changes in Locus Coeruleus-mediated Arousal Elicited by Trigeminal Stimulation

Assessing Pupil-linked Changes in Locus Coeruleus-mediated Arousal Elicited by Trigeminal Stimulation

Published on: November 26, 2019

Mastication accelerates Go/No-go decisional processing: An event-related potential study.

Kiwako Sakamoto¹, Hiroki Nakata², Masato Yumoto³

¹Department of Integrative Physiology, National Institute for Physiological Sciences, Okazaki, Japan.

Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology

|March 2, 2015

Summary

Chewing, or mastication, significantly speeds up decision-making processes in the brain. This study found that chewing enhances both response execution and inhibition during cognitive tasks.

Keywords:

ERP Go/No-go Gum Mastication N140 P300

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Last Updated: Apr 16, 2026

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Published on: November 26, 2019

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Published on: June 14, 2014

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Published on: September 10, 2018

Area of Science:

Cognitive Neuroscience
Neuroscience
Psychology

Background:

Decision-making involves complex neural processes.
Event-related potentials (ERPs) are crucial for understanding the timing of cognitive events.
The impact of physiological activities like mastication on cognitive functions is an emerging area of research.

Purpose of the Study:

To investigate how mastication affects Go/No-go decision-making.
To analyze the influence of mastication on specific event-related potential (ERP) components.

Main Methods:

A Go/No-go task was administered to 13 participants over multiple sessions.
Participants underwent conditions with and without mastication.
Reaction time (RT) and ERPs (N140, P300) were measured.

Main Results:

Mastication significantly reduced reaction times (RTs) compared to the control condition.
The N140 component's latency was shorter with mastication, indicating faster processing.
P300 latency was reduced by mastication, suggesting quicker decision evaluation.

Conclusions:

Mastication appears to enhance response execution in Go trials.
Mastication may also improve response inhibition in No-go trials.
Chewing accelerates overall Go/No-go decision-making processes in the brain.