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A Within-subjects Experimental Protocol to Assess the Effects of Social Input on Infant EEG
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Brainstem as a developmental gateway to social attention

Ronny Geva1,2, Ayelet Dital2, Dan Ramon3

  • 1Department of Psychology, Bar Ilan University, Ramat Gan, Israel.

Journal of Child Psychology and Psychiatry, and Allied Disciplines
|May 16, 2017
PubMed

Insights

Neonatal brainstem function is critical for developing social attention. Early brainstem compromise in preterm infants leads to long-term attention regulation and social engagement difficulties.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Evolutionary Biology

Background:

  • Social attention is vital for survival and is observed from infancy.
  • Neurobiological underpinnings of social attention development remain unclear.
  • A theoretical model posits neonatal brainstem input is crucial for self-regulation and social attention.

Purpose of the Study:

  • To investigate the long-term effects of neonatal brainstem dysfunction on social attention development.
  • To explore the neurobiological mechanisms linking brainstem function to social attention regulation.

Main Methods:

  • Prospective 8-year follow-up of 44 preterm neonates (GA 34 weeks) with and without auditory brainstem evoked response (ABR) diagnosed brainstem dysfunction.
  • EEG power analysis and gaze tracking during the Attention Network Test (ANT) and Triadic Gaze Engagement (TGE) task.

Main Results:

  • Neonatal brainstem compromise correlated with long-term Alpha- and Theta-band power asymmetries, indicating reduced bottom-up social attention alerting.
  • Gaze tracking revealed dysregulated attention and impaired social cue engagement in infants with brainstem dysfunction.

Conclusions:

  • Neonatal brainstem input serves as a critical gateway for bottom-up regulation of social attention.
  • Findings integrate with Autism models and cross-species data, highlighting early brainstem function's role.
Abstract

Keywords:
Brainstemattentiondevelopmentsocial attention

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