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Relation of prematurity and brain injury to crying behavior in infancy

Jonna Maunu1, Jarkko Kirjavainen, Riikka Korja

  • 1Department of Pediatric Neurology, Turku University Central Hospital, Pediatric Research Unit, Vähä-Hämeenkatu 1 A 3, 20500 Turku, Finland. jonna.maunu@utu.fi

Pediatrics
|July 5, 2006
PubMed

Insights

Brain injuries in very preterm infants do not significantly alter crying duration or frequency. However, prematurity itself increases fussing and crying bouts at 5 months, suggesting a need for increased caregiving.

Area of Science:

  • Neonatal neuroscience
  • Infant development
  • Pediatric neurology

Background:

  • Preterm infants, especially those with very low birth weight, are at increased risk for brain injury.
  • Crying is a primary mode of communication for infants, and alterations in crying behavior can indicate underlying issues.
  • Understanding the impact of brain injury on infant crying is crucial for early detection and intervention.

Purpose of the Study:

  • To investigate the relationship between brain injury and crying behavior in very preterm infants.
  • To compare the crying patterns of very preterm infants with and without brain injury.
  • To assess the developmental trajectory of crying behavior in relation to prematurity and brain pathology.

Main Methods:

  • A cohort of 125 very low birth weight infants was studied, categorized by brain findings on ultrasound or MRI.
  • Crying behavior was assessed using the Baby Day Diary at term, 6 weeks, and 5 months corrected age.
  • A control group of 49 term infants was assessed at 5 months corrected age for comparison.

Main Results:

  • Severe brain injuries did not significantly affect the duration or frequency of fussing or crying bouts in very preterm infants.
  • The development of circadian rhythm in crying behavior was not impacted by brain injuries.
  • At 5 months corrected age, very preterm infants exhibited more frequent fussing bouts and received more holding time compared to term infants.

Conclusions:

  • Brain injuries associated with prematurity do not appear to have major effects on infant crying behavior or circadian rhythm development.
  • Prematurity, independent of brain injury, is linked to increased frequency of fussing and crying at 5 months corrected age.
  • Both prematurity and brain pathology may necessitate increased caregiving, such as more frequent holding.
Abstract

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