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Related Experiment Video

Updated: Dec 27, 2025

Control of Eating Behavior Using a Novel Feedback System

Control of Eating Behavior Using a Novel Feedback System

Published on: May 8, 2018

[To eat or to speak].

Gérard Couly¹

¹Sorbonne Universités, UPMC Université Paris 06, Institut de la vision, Inserm UMRS 968, 17 rue Moreau, 75012 Paris, France - Professeur Honoraire de chirurgie maxillo-faciale de l'enfant Université Paris Descartes-Sorbonne Paris Cité, Paris, France.

Medecine Sciences : M/S

|March 5, 2020

Summary

Human feeding and speech share neural pathways, originating from ancient feeding systems. Evolution linked these functions via the Broca area and Foxp2 gene, enabling complex oral behaviors.

Area of Science:

Neuroscience
Evolutionary Biology
Speech and Feeding Physiology

Background:

Human oro-pharyngeal feeding, essential for survival, is an ancient function dating back to mammals.
This complex function is intricately coordinated by both central and peripheral nervous systems.

Purpose of the Study:

To explore the neuroanatomical and evolutionary links between human feeding and speech functions.
To investigate how shared neural pathways and genetic factors facilitate these coordinated oral behaviors.

Main Methods:

Comparative neuroanatomy analysis of feeding and speech pathways.
Review of evolutionary biology data concerning mammalian feeding and human language development.
Examination of the role of specific brain regions like Broca's area and genes like Foxp2.

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Last Updated: Dec 27, 2025

Control of Eating Behavior Using a Novel Feedback System

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Main Results:

Eating and speaking utilize common anatomical structures and neural pathways.
The Broca praxic language area is anatomically proximate to the motor control areas for mastication and swallowing.
Human evolution has innovated neural connections linking language areas with ancient oral feeding motor pathways.

Conclusions:

The evolution of human language involved the integration of new neural circuits with pre-existing oral feeding pathways.
The brain connectome and the Foxp2 gene played crucial roles in establishing the neural basis for coordinated speech and feeding.