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July 15, 2025

Pushing the Boundaries of Background Functional Connectivity for Infant fNIRS Data: Evaluating Alternative Analytical Approaches

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Authors

AFAbigail FiskeLELauren L. Emberson

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Overview

This analysis reexamines fNIRS data on infant functional connectivity, suggesting flexibility in trial design and methods to improve accessibility.

Key Points

  • The study explores background functional connectivity as a flexible alternative in infant fNIRS analyses.
  • Downsampling effectively assessed trial requirements for well-powered analyses, revealing viable strategies for data collection.
  • Shuffling trial data proved ineffective for meaningful connectivity patterns, suggesting trial order is significant.
  • Averaging single-trial residuals led to more robust connectivity results, highlighting methodological advancements for infant studies.

Cite This Study

Fiske et al. (2025) studied this question.

synapsesocial.com/papers/689a02bce6551bb0af8cc744https://doi.org/10.31234/osf.io/h5znx_v2
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Systematic exploration of task-based functional connectivity analyses for infant fNIRS data: Toward single trial measures of connectivity2024
  2. 2Task-based functional connectivity in infants after exposure to regular white noise during natural sleep measured by fNIRS2025
  3. 3Functional Connectivity of the Infant Human Brain2016 · 372 citations
  4. 4Predictive functional network connectivity signature of infancy age and eye-region fixation behavior2026
  5. 5Forming Connections: Functional Brain Connectivity is Associated With Executive Functioning Abilities in Early Childhood2024 · 3 citations