HIGH-DENSITY EEG AND FNIRS – FULLY SYNCHRONIZED FOR BRAIN RESEARCH
Synchronized high-density EEG and fNIRS in a single system — pair g.HIamp with NIRx NIRSport2 for up to 256 EEG channels and 16×16 fNIRS sources/detectors, streamed in real time via g.HIsys.
SYNCHRONIZED HIGH-DENSITY EEG & NIRS
The combination of g.HIamp and NIRx enables synchronized acquisition of high-density EEG and NIRS, allowing researchers to measure electrical brain activity and cerebral hemodynamics simultaneously. EEG measures neuronal activity with millisecond temporal resolution, while NIRS measures changes in cerebral oxygenation associated with neural activation. Combining both techniques allows researchers to investigate when brain activity occurs and how cortical activation evolves, providing a more complete understanding of brain function than either modality alone.
With up to 256 EEG channels and 16 NIRS sources and 16 detectors, the platform provides comprehensive coverage for advanced neuroscience, Brain-Computer Interfaces, neurorehabilitation, cognitive neuroscience, and neurovascular coupling research. Using g.HIsys Professional, EEG and NIRS data are acquired, synchronized, visualized, and processed in real time, while g.BSanalyze provides advanced offline analysis of combined electrophysiological and hemodynamic signals.
| Simultaneous high-density EEG and NIRS acquisition |
| Compatible with NIRSport2 and the complete NIRx ecosystem |
| Up to 256 EEG channels with g.HIamp |
| Up to 16 NIRS sources and 16 detectors |
| Dual-wavelength continuous-wave NIRS (760 nm / 850 nm) |
| Real-time synchronization with g.HIsys Professional |
| Advanced offline analysis using g.BSanalyze |
| Python, MATLAB, Simulink, and Lab Streaming Layer (LSL) support |
| Hardware trigger and software synchronization |
| Designed for Brain-Computer Interfaces, neurovascular coupling, cognitive neuroscience, and neurorehabilitation |
| EEG Amplifier | g.HIamp |
| EEG Channels | 16 / 32 / 80 / 144 / 256 |
| EEG Sampling Rate | Up to 38.4 kHz |
| NIRS Sources | 8 / 16 |
| NIRS Detectors | 8 / 16 |
| Source Wavelengths | 760 nm & 850 nm |
| Spectroscopic Technique | Continuous Wave |
| NIRS Sampling Rate | Up to 70–240 Hz |
| Detection Sensor | Si Photodiode or APD |
| Synchronization | LSL, TTL Hardware Trigger |
| Data Transfer | Wi-Fi, USB, Internal Storage |
| Software | g.HIsys Professional, g.BSanalyze |
COMPLETE EEG & NIRS RESEARCH ECOSYSTEM
The platform integrates seamlessly into the g.tec software ecosystem, supporting g.HIsys Professional, g.BSanalyze, Python, MATLAB, Simulink, and Lab Streaming Layer (LSL). Researchers can synchronize EEG and NIRS with eye tracking, motion capture, virtual reality, TMS, physiological sensors, robotics, and custom neuroscience applications within one open research environment.
The scalable software architecture supports everything from basic neuroscience experiments to machine learning, source localization, Brain-Computer Interface development, and advanced synchronized brain imaging workflows.
OPTIMIZED EEG & NIRS SENSOR PLACEMENT
The g.GAMMAcap integrates g.SCARABEO active EEG electrodes and NIRx optodes within a single cap, ensuring reproducible sensor placement, stable scalp contact, and rapid participant preparation. The cap supports up to 64 EEG electrodes and 32 optode holders, enabling flexible placement of 16 light sources and 16 detectors for reproducible combined EEG and NIRS recordings.
The integrated cap design minimizes preparation time while maintaining consistent sensor positioning across repeated experiments, making it suitable for both research laboratories and long-term neuroscience studies.
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