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Olfaction in the fetal and premature infant: functional status and clinical implications

Benoist Schaal1, Thomas Hummel, Robert Soussignan

  • 1Centre des Sciences du Goût, CNRS (UMR 5170), Université de Bourgogne, 15 rue Picardet, 21000 Dijon, France. schaal@cesg.cnrs.fr

Clinics in Perinatology
|August 4, 2004
PubMed

Insights

Olfaction provides crucial sensory information for fetuses and newborns, bridging prenatal and postnatal experiences. Odors influence infant self-regulation, emotional balance, feeding, and social interactions, especially benefiting preterm infants.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Sensory Biology

Background:

  • Olfaction plays a vital role in mammalian development and social bonding.
  • The transition from prenatal to postnatal life presents significant sensory challenges for newborns.
  • Understanding early sensory experiences is key to infant well-being.

Purpose of the Study:

  • To explore olfaction as a source of information for fetuses and neonates.
  • To examine how odors facilitate sensory continuity between prenatal and postnatal environments.
  • To assess the impact of odors on infant adaptive responses and the potential benefits for preterm infants.

Main Methods:

  • Literature review of studies on fetal and neonatal olfaction.
  • Analysis of research on sensory continuity and early adaptive responses.
  • Evaluation of olfactory interventions for preterm infants.

Main Results:

  • Olfaction serves as a primary sensory pathway, offering information and continuity from the prenatal to postnatal period.
  • Odor perception influences neonatal self-regulation, emotional state, feeding behaviors, and social interactions.
  • Olfactory stimulation can positively modulate physiological and behavioral outcomes in preterm infants facing stressors.

Conclusions:

  • Olfaction is a critical sensory modality supporting infant development and adaptation.
  • Sensory continuity through olfaction aids in mitigating the challenges of the transition to extrauterine life.
  • Olfactory interventions represent a promising avenue for supporting preterm infant care and well-being.

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