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Deprivation and dysphagia in premature infants
1Department of Neurology, University of Vermont, Burlington, Vermont 05401, USA. Peter.Bingham@uvm.edu
Insights
Oral-tactile stimulation improves feeding in premature infants by enhancing ingestive behaviors. Understanding sensory deprivation
Area of Science:
- Neuroscience
- Developmental Biology
- Pediatrics
Background:
- Infant feeding behaviors develop with rhythmic sucking and swallowing patterns.
- Brainstem central pattern generators, influenced by oral-tactile input, control these behaviors.
- Oral-tactile stimulation is known to improve feeding in premature infants.
Purpose of the Study:
- To investigate the impact of oral sensory deprivation on feeding problems in premature infants.
- To explore the link between early feeding difficulties (dysphagia) and later developmental impairments.
- To highlight the need for sensory interventions to support feeding development.
Main Methods:
- Review of neurobiological mechanisms underlying ingestive behavior.
- Clinical observations of oral-tactile stimulation in tube-fed premature infants.
- Reference to rodent studies on sensory deprivation effects.
Main Results:
- Oral-tactile stimulation via pacifier can stimulate ingestive behavior and improve feeding skills.
- The extent to which oral sensory deprivation contributes to feeding problems is not well understood.
- Sensory deprivation may have neuropathologic effects, particularly relevant for premature newborns.
Conclusions:
- Oral sensory experiences are crucial for the development of feeding skills in infants.
- Further research is needed to understand the role of sensory deprivation in infant feeding disorders.
- Clinical trials of sensory interventions are warranted to promote optimal feeding development in premature infants.
Abstract:
The developmental trajectory of feeding features increasingly rhythmic ingestive behavior patterns. Sucking and swallowing by the fetus and infant, including fetal consumption of amniotic fluid, depend upon brainstem central pattern generators whose activity is increasingly influenced by chemosensory and oral-tactile input. This neurobiological fact underlies the clinical discovery that oral-tactile stimulation via pacifier stimulates ingestive behavior in tube-fed, premature infants and improves their feeding skills. However, little is known regarding the degree to which oral sensory deprivation may contribute to feeding problems in these patients. Evidence of deprivation-induced neuropathologic effects in rodents further underlines the potential impact of sensory deprivation in premature newborns, whose transition period from tube to oral feeding often lasts weeks beyond term equivalent gestational age. Studies exploring the link between early dysphagia and later developmental impairment could clarify experiential antecedents of cerebral injury. Trials of sensory interventions to promote feeding development are warranted.
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