g.Nautilus NIRx Integrated and Wearable EEG & NIRS System

SYNCHRONIZED WIRELESS EEG & NIRS

enabling simultaneous recording of electrical brain activity and cerebral hemodynamics. Researchers can acquire 8, 16, 32, or 64 active EEG channels together with up to 16 NIRS sources and 16 detectors, providing complementary information about brain function within one experiment.

Integrated with g.HIsys Professional, all EEG and NIRS data are acquired, synchronized, visualized, and processed in real time. g.BSanalyze provides advanced offline analysis, allowing researchers to perform feature extraction, classification, and multimodal signal analysis within one software ecosystem.

The g.GAMMAcap NIRx combines g.SCARABEO active EEG electrodes and NIRS optodes in a single cap, ensuring reproducible sensor placement, stable scalp contact, and rapid participant preparation. The wearable g.Nautilus amplifier is mounted directly on the cap, while the optodes connect to the NIRSport2 through secured cables for reliable mobile recordings.

EEG and NIRS data are transmitted to the same computer and synchronized using precision hardware triggers or merged directly into a single dataset within g.HIsys Professional. Acquiring both modalities at synchronized sampling rates simplifies multimodal analysis and real-time Brain-Computer Interface development.

PRODUCT HIGHLIGHTS

Integrated wireless EEG and NIRx acquisition platform

Simultaneous recording of up to 64 active EEG channels

Supports 8 or 16 light sources and 8 or 16 detectors

Continuous-wave dual-wavelength NIRS (760 nm / 850 nm)

Real-time acquisition, synchronization, and visualization

Compatible with g.HIsys Professional and g.BSanalyze

Python, MATLAB, Simulink, and Lab Streaming Layer (LSL) support

Wireless synchronization using LSL or hardware TTL triggers

Battery-powered for mobile neuroscience experiments

Designed for multimodal brain imaging and real-world research

TECHNICAL SPECIFICATIONS

EEG Channels	8 / 16 / 32 / 64
NIRS Sources	8 or 16
NIRS Detectors	8 or 16
Wavelengths	760 nm / 850 nm
NIRS Sampling Rate	Up to 240 Hz
EEG Sampling Rate	Up to 38.4 kHz
Synchronization	LSL, TTL
Data Transfer	Wi-Fi, USB, Internal Storage
Software	g.HIsys Professional, g.BSanalyze

TRUE WIRELESS EEG. MORE USABLE DATA.

g.Nautilus integrates the amplifier directly on the EEG cap. Eliminating the cable between the head and recording electronics improves participant comfort, reduces cable movement, and creates a truly wireless EEG platform for walking, rehabilitation, sports, virtual reality, and real-world neuroscience.

The result is greater mobility and higher-quality EEG. By minimizing movement-related artifacts and cable interference, g.Nautilus maximizes the amount of usable EEG data during natural behavior. More usable data means fewer rejected trials, improved ERP averaging, more reliable machine learning models, higher BCI performance, shorter study durations, and a better experience for both researchers and participants.

SYNCHRONIZED WIRELESS EEG & NIRS

Whether using g.Nautilus, g.HIamp, or g.USBamp, the g.tec platform enables fully synchronized acquisition of EEG and NIRx data within one integrated recording environment. Researchers can combine electrical brain activity and cerebral hemodynamics in real time, creating a single synchronized dataset for combined EEG and fNIRS brain imaging, Brain-Computer Interfaces, cognitive neuroscience, neurorehabilitation, and neurovascular coupling research.

The integrated g.GAMMAcap ensures reproducible placement of EEG electrodes and NIRS optodes, while precise hardware synchronization simplifies multimodal experiments and improves the analysis of neural and hemodynamic responses. Researchers can easily scale from wearable mobile studies to high-density laboratory recordings without changing software, workflows, or analysis tools.

Built for demanding research and clinical environments, the g.tec platform combines medical-grade electrical isolation, EMC-compliant hardware, and reliable operation to deliver dependable performance in neuroscience laboratories, rehabilitation centers, hospitals, and translational research. This enables laboratories to move seamlessly from fundamental neuroscience to clinical applications using one integrated technology platform.

COMPLETE WEARABLE EEG & NIRS ECOSYSTEM

Beyond data acquisition, g.HIsys Professional supports real-time EEG and fNIRS acquisition, visualization, feature extraction, machine learning, and P300, Motor Imagery (MI), SSVEP, Neurofeedback, closed-loop stimulation, and online decoding for Brain-Computer Interface research. g.BSanalyze provides comprehensive offline analysis of synchronized EEG and fNIRS datasets.

Python, MATLAB, Simulink, and Lab Streaming Layer (LSL) enable custom applications and synchronization with eye trackers, virtual reality, motion capture, TMS, physiological sensors, and robotics. This open software ecosystem allows researchers to rapidly develop, validate, and deploy advanced neuroscience experiments without changing hardware or software.

FROM THE LAB TO THE REAL WORLD

The lightweight, wireless design of g.Nautilus NIRx enables neuroscience research far beyond the laboratory. By combining synchronized EEG and fNIRS during natural behavior, researchers can investigate walking neuroscience, stroke rehabilitation, sports neuroscience, neuroergonomics, dual-task experiments, mobile Brain-Computer Interfaces (BCIs), cognitive workload, and virtual reality (VR). Recording electrical brain activity and cerebral hemodynamics simultaneously provides new insights into how the brain functions during movement, rehabilitation, human-machine interaction, and complex real-world tasks.