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fNIRS + EEG

Validated Integration of High-Quality EEG Recording with fNIRS

fNIRS + EEG with model

Combining functional near-infrared spectroscopy (fNIRS) and electroencephalography (EEG) provides a powerful multimodal approach to studying brain function. While fNIRS captures hemodynamic responses associated with neural activity, EEG measures neuronal electrical potentials with high temporal resolution, offering complementary insights into brain dynamics.

To support multimodal research, integrated systems enable simultaneous acquisition of fNIRS and EEG data within a single experimental setup. Using combined fNIRS + EEG holders, optodes and electrodes can be co-located, improving sensor placement flexibility and allowing for denser spatial coverage.

Although this approach enhances spatial distribution and experimental design, close proximity between fNIRS optodes and EEG electrodes can increase the likelihood of signal interference (crosstalk), which may be observed in EEG recordings. Proper system design and optimized hardware configurations are therefore essential to ensure high-quality multimodal data acquisition.

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Integrated fNIRS + EEG Solution

We offer integrated solutions designed to support seamless combination of fNIRS and EEG technologies in multimodal research environments. These solutions enable simultaneous acquisition of hemodynamic and electrophysiological signals using compatible fNIRS systems and EEG amplifiers within a single experimental setup.

To accommodate a wide range of experimental designs, our integrated headcap system supports multiple holder configurations, allowing researchers to tailor sensor placement based on their specific study requirements. Available holder options include:

  • Independent optode holders

    • Independent optode holders

  • Independent EEG ring electrode holders

    • Independent EEG ring electrode holders

  • Independent EEG pin electrode holders

    • Independent EEG pin electrode holders

  • Hybrid optode and EEG pin electrode holders

    • Hybrid optode and EEG pin electrode holders

Complete Integrated fNIRS + EEG Package

  • Supports up to 54 fNIRS channels and 64 EEG channels
  • Enables simultaneous measurement of cerebral oxygenation and blood volume changes alongside neuronal electrical activity
  • Utilizes a combined fNIRS + EEG headcap with integrated optode and electrode holders, allowing co-located placement of fNIRS optodes and EEG pin electrodes, or the use of separate holders as needed
  • Designed to minimize interference while preserving EEG signal quality
  • Allows flexible measurement from any cortical brain region

This integrated approach provides researchers with the flexibility and data quality required for advanced multimodal brain imaging studies.

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Caution! Investigational Device. Federal (or United States) law limits device to investigational use.