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Related Experiment Video

Updated: Dec 12, 2025

Author Spotlight: Implications of Non-Nutritive Sucking on Speech Emergence and Infant Development

Author Spotlight: Implications of Non-Nutritive Sucking on Speech Emergence and Infant Development

Published on: April 19, 2024

Changes in non-nutritive suck between 3 and 12 months.

Alaina Martens¹, Morgan Hines¹, Emily Zimmerman¹

¹Department of Communication Sciences & Disorders, Northeastern University, 360 Huntington Ave., Boston, MA 02115, USA.

Early Human Development

|August 14, 2020

Summary

Infant non-nutritive suck (NNS) patterns change significantly between 3 and 12 months, with decreased duration and bursts but increased amplitude. Understanding these developmental changes in NNS is crucial for assessing infant feeding.

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Recapitulating Suckling-to-Weaning Transition In Vitro using Fetal Intestinal Organoids

Recapitulating Suckling-to-Weaning Transition In Vitro using Fetal Intestinal Organoids

Published on: November 15, 2019

Area of Science:

Pediatric feeding development
Infant oral motor skills

Background:

Non-nutritive suck (NNS) is integral to infant oral feeding.
Limited research exists on NNS development during the first year of life.

Purpose of the Study:

To quantify changes in infant non-nutritive suck patterns from 3 to 12 months of age.

Main Methods:

Twenty-six full-term infants participated.
A custom research pacifier was used for quantitative analysis of suck patterns.
The best 2-minute suck samples were analyzed for NNS parameters.

Main Results:

NNS duration, bursts, cycles/burst, and cycle count significantly decreased from 3 to 12 months.
NNS amplitude significantly increased during the same period.
NNS frequency showed no significant changes; median amplitude increased from 14.05 to 19.75 cmH2O.

Conclusions:

Infant NNS patterns undergo significant maturation in the first year.
Healthcare professionals need this knowledge for accurate NNS assessment and identification of feeding delays.