AI Article Synopsis

  • The study investigates how sleep states and breathing patterns affect functional connectivity (FC) in the brains of preterm infants compared to term infants, focusing on transitions from preterm to term ages.
  • Researchers analyzed data from 63 preterm and 44 term infants using electroencephalography and functional near-infrared spectroscopy to compare FC during active and quiet sleep, and how these patterns relate to neurodevelopmental outcomes.
  • Results indicated that preterm infants exhibited higher FC in both sleep states, especially during active sleep, and certain patterns of FC were linked to negative neurodevelopmental indicators in these infants.

Article Abstract

Study Objectives: The brains of preterm infants exhibit altered functional connectivity (FC) networks, but the potential variation in sleep states and the impact of breathing patterns on FC networks are unclear. This study explores the evolution of resting-state FC from preterm to term, focusing on breathing patterns and distinguishing between active sleep (AS) and quiet sleep (QS).

Methods: We recruited 63 preterm infants and 44 healthy-term infants and performed simultaneous electroencephalography and functional near-infrared spectroscopy. FC was calculated using oxy- and deoxyhemoglobin signals across eight channels. First, FC was compared between periodic breathing (PB) and non-PB segments. Then sleep state-dependent FC development was explored. FC was compared between AS and QS segments and between preterm infants at term and term-born infants in each sleep state. Finally, associations between FC at term, clinical characteristics, and neurodevelopmental outcomes in late infancy were assessed in preterm infants.

Results: In total, 148 records from preterm infants and 44 from term-born infants were analyzed. PB inflated FC values. After excluding PB segments, FC was found to be elevated during AS compared to QS, particularly in connections involving occipital regions. Preterm infants had significantly higher FC in both sleep states compared to term-born infants. Furthermore, stronger FC in specific connections during AS at term was associated with unfavorable neurodevelopment in preterm infants.

Conclusions: Sleep states play a critical role in FC development and preterm infants show observable changes in FC.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11632190PMC
http://dx.doi.org/10.1093/sleep/zsae225DOI Listing

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