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Pacifier stiffness alters the dynamics of the suck central pattern generator
Zimmerman, Emily A.
Zimmerman, Emily A.
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Abstract
This study examined the effect of varying pacifier stiffness on non-nutritive suck (NNS) dynamics at the NICU follow-up clinic among infants born prematurely with and without a history of respiratory distress syndrome. Three types of Soothie™ silicone pacifiers used in the NICU were tested for materials stiffness, revealing the Super Soothie™ is 7 times stiffer. No significant between-subjects effects were found for the healthy control infants and the RDS infants. However, Repeated-measures MANOVA within-group subjects effects showed significant differences in NNS cycles/min, NNS amplitude, NNS bursts/min, and NNS cycle periods between the Soothie™ versus Super Soothie™ pacifiers. Infants modify the spatiotemporal output of their suck central pattern generator when presented with pacifiers of different mechanical properties.
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Thesis (M.A.)--University of Kansas, Speech-Language-Hearing: Science Disorders, 2007.
Date
2007-05-31
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University of Kansas
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Health and environmental sciences