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Related Experiment Video

Updated: Jun 22, 2026

Simultaneous Data Collection of fMRI and fNIRS Measurements Using a Whole-Head Optode Array and Short-Distance Channels
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Simultaneous Data Collection of fMRI and fNIRS Measurements Using a Whole-Head Optode Array and Short-Distance Channels

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Structural atlas-based spatial registration for functional near-infrared spectroscopy enabling inter-study data

Masako Okamoto1, Daisuke Tsuzuki, Lester Clowney

  • 1National Food Research Institute, Sensory & Cognitive Food Science Lab, 2-1-12, Kannondai, Tsukuba, 305-8642 Ibaraki, Japan. masakoo@affrc.go.jp

Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
|May 26, 2009
PubMed
Summary
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A new method integrates functional near-infrared spectroscopy (fNIRS) data from multiple studies, regardless of channel arrangement. This approach enables combining brain imaging results for more comprehensive analysis.

Area of Science:

  • Neuroimaging
  • Biomedical Engineering
  • Cognitive Neuroscience

Background:

  • Functional near-infrared spectroscopy (fNIRS) is increasingly used for brain imaging.
  • Summarizing fNIRS data across studies is challenging due to varying channel configurations.
  • Existing channel-based methods limit data integration when channel arrangements differ.

Purpose of the Study:

  • To develop and implement a channel-independent analysis method for fNIRS data.
  • To enable the summarization and integration of fNIRS data from diverse studies.
  • To overcome limitations of current methods in combining fNIRS datasets with non-uniform channel arrangements.

Main Methods:

  • Defined spatial bins (sub-regions) on the standard brain surface using structural information.

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Related Experiment Videos

Last Updated: Jun 22, 2026

Simultaneous Data Collection of fMRI and fNIRS Measurements Using a Whole-Head Optode Array and Short-Distance Channels
08:19

Simultaneous Data Collection of fMRI and fNIRS Measurements Using a Whole-Head Optode Array and Short-Distance Channels

Published on: October 20, 2023

New Framework for Understanding Cross-Brain Coherence in Functional Near-Infrared Spectroscopy (fNIRS) Hyperscanning Studies
05:59

New Framework for Understanding Cross-Brain Coherence in Functional Near-Infrared Spectroscopy (fNIRS) Hyperscanning Studies

Published on: October 6, 2023

  • Probabilistically estimated channel locations in standard stereotaxic space.
  • Reorganized channel-based fNIRS data into sub-regions for activation analysis.

    • Main Results:

    • Successfully defined sub-regions matching fNIRS spatial resolution.
    • Demonstrated the method by integrating data from two studies with different channel layouts but shared regions of interest.
    • Validated the feasibility of a channel-independent approach for fNIRS data integration.

    Conclusions:

    • The proposed method allows integration of fNIRS data from studies with varying channel arrangements into a standard brain space.
    • This approach respects the brain's structure-function relationship.
    • Facilitates the effective utilization of accumulating fNIRS data by enabling multi-study integration.