WIRELESS EEG & fNIRS IN ONE INTEGRATED PLATFORM
EEG captures neuronal activity with millisecond temporal resolution, while fNIRS measures changes in cerebral oxygenation associated with cortical activation. Combining both techniques allows researchers to investigate when neural activity occurs and how cerebral blood oxygenation changes evolve, providing complementary information that cannot be obtained from either modality alone.
g.Nautilus fNIRS combines wireless EEG and functional near-infrared spectroscopy (fNIRS) within one synchronized acquisition platform, enabling simultaneous recording of electrical brain activity and cerebral hemodynamics in real time. Researchers can record 8, 16, 32, or 64 active EEG channels together with 8 fNIRS channels, creating a portable solution for cognitive neuroscience, Brain-Computer Interfaces, neurorehabilitation, psychology, human factors, and real-world neuroscience.
The g.GAMMAcap fNIRS integrates EEG electrodes and fNIRS optodes into a single wearable cap, ensuring reproducible electrode and optode placement while minimizing preparation time. fNIRS modules are magnetically attached to predefined locations over the frontal and sensorimotor cortex for fast and reliable setup.
One cap. One amplifier. One synchronized EEG & fNIRS workflow.
| One integrated cap with synchronized EEG and fNIRS recordings for reproducible multimodal brain imaging |
| Fully integrated wireless EEG and fNIRS platform for multimodal brain imaging |
| Simultaneous recording of 8 fNIRS channels and 8/16/32/64 active EEG channels |
| Compatible with g.Nautilus Research, g.Nautilus Multi-Purpose, and g.Nautilus PRO Flexible |
| Supports g.SCARABEO active wet and g.SAHARA Hybrid dry or gel-assisted EEG electrodes |
| Predefined optode placement over the frontal and sensorimotor cortex |
| 8 transmitters and 2 detectors for reliable cortical hemodynamic measurements |
| High-power and low-power optodes optimized for different brain regions |
| Wireless operation with up to 10 m transmission range |
| Integrated into g.tec Suite 2024, g.HIsys, g.BSanalyze, g.Pype, Python, MATLAB, Simulink, and Lab Streaming Layer (LSL) |
| Rapid setup using the integrated g.GAMMAcap fNIRS |
| EEG Channels | 8 / 16 / 32 / 64 active EEG channels |
| fNIRS Channels | 8 channels |
| EEG Sampling Rate | 250 Hz (64 channels); 250/500 Hz (8/16/32 channels) |
| fNIRS Sampling Rate | 10 Hz |
| fNIRS Light Sources | 8 transmitters |
| fNIRS Detectors | 2 receivers |
| Optode Configuration | High-power (sensorimotor cortex), Low-power (frontal cortex) |
| Battery | Exchangeable lithium-ion battery |
| Operating Time | 1.5 h (high-power LEDs) to 8 h (low-power LEDs) |
| Wireless Range | Up to 10 m indoors |
| Software | g.tec Suite 2024, g.HIsys, g.BSanalyze, g.Pype, Python, MATLAB, Simulink, LSL |
COMPLETE EEG & fNIRS RESEARCH ECOSYSTEM
Beyond wireless acquisition, g.Nautilus EEG+fNIRS integrates seamlessly with the complete g.tec software ecosystem. Researchers can acquire, synchronize, visualize, and process EEG and fNIRS data in real time using g.HIsys Professional, perform advanced offline analysis in g.BSanalyze, and develop custom neuroscience applications using Python, MATLAB, Simulink, g.Pype, and Lab Streaming Layer (LSL).
The open platform also synchronizes EEG and fNIRS with eye tracking, motion capture, virtual reality, physiological sensors, robotics, and Brain-Computer Interfaces, supporting scalable neuroscience workflows from laboratory experiments to real-world recordings.
FROM THE LAB TO THE REAL WORLD
Wireless EEG and fNIRS open new possibilities for neuroscience beyond the traditional laboratory. Researchers can investigate how the brain functions during walking, navigation, social interaction, learning, sports, and other real-world activities while simultaneously developing next-generation hybrid Brain-Computer Interfaces that combine electrical brain activity with cerebral hemodynamics.
Whether advancing neurorehabilitation, assistive technologies, cognitive neuroscience, or mobile brain imaging, the synchronized g.Nautilus fNIRS platform enables experiments that would be difficult—or impossible—with conventional wired neuroimaging systems.
ADVANCING THE FUTURE OF NEUROREHABILITATION
The next generation of neurorehabilitation is driven by objective biomarkers of brain recovery. By synchronizing EEG and fNIRS, researchers can observe both electrical brain activity and cerebral oxygenation during therapy, providing unprecedented insight into neuroplasticity, cortical reorganization, and functional recovery.
From stroke and spinal cord injury to Parkinson’s disease and multiple sclerosis, g.Nautilus EEG+fNIRS enables real-world rehabilitation studies that support personalized therapies, Brain-Computer Interface interventions, and the development of next-generation neurological treatments.
OPTIMIZED ELECTRODE & OPTODE PLACEMENT
The g.GAMMAcap fNIRS integrates EEG electrodes and fNIRS optodes into a single cap with predefined sensor locations over the frontal and sensorimotor cortex. This ensures reproducible optode placement, stable electrode contact, and consistent measurement quality across participants and repeated studies.
EEG electrodes are available in 8-, 16-, 32-, and 64-channel configurations and can be combined with g.SCARABEO or g.SAHARA Hybrid electrodes to create customized multimodal recording setups while maintaining optimal scalp contact for both modalities.
HYBRID EEG & fNIRS IMPROVES DEEP LEARNING PERFORMANCE
In a neuromarketing study using the g.Nautilus EEG+fNIRS platform, researchers combined synchronized EEG and fNIRS recordings with a convolutional neural network (CNN) to classify consumer preferences. The hybrid EEG-fNIRS approach achieved an average classification accuracy of 91.8%, compared with 78.0% using EEG alone and 66.9% using fNIRS alone, demonstrating the value of synchronized multimodal brain recordings for AI-driven neuroscience applications.
From Brain-Computer Interfaces and cognitive neuroscience to neuromarketing, human factors, and clinical research, synchronized EEG and fNIRS enable more robust machine learning models and provide deeper insight into complex brain processes than either modality alone.
FREQUENTLY ASKED QUESTIONS
EEG and functional near-infrared spectroscopy (fNIRS) provide complementary information about brain function. EEG measures neuronal activity with millisecond temporal resolution, while fNIRS measures changes in oxygenated and deoxygenated hemoglobin associated with cortical activation. Combining both techniques allows researchers to investigate when brain activity occurs and how cerebral oxygenation changes evolve, providing a more comprehensive understanding of brain function than either modality alone.
Yes. The available EEG electrode types depend on the g.Nautilus platform you choose.
- g.Nautilus RESEARCH and g.Nautilus MULTI-PURPOSE use g.SCARABEO active wet EEG electrodes together with the integrated fNIRS optodes.
- g.Nautilus PRO Flexible supports both g.SCARABEO active wet EEG electrodes and g.SAHARA Hybrid dry or gel-assisted EEG electrodes using interchangeable electrode strands.
All configurations provide synchronized EEG and fNIRS acquisition within the same integrated platform, allowing researchers to select the most suitable electrode technology for laboratory, clinical, or mobile neuroscience applications.
Yes. All g.Nautilus fNIRS systems are lightweight, battery-powered, and designed for wireless brain imaging. The integrated EEG and fNIRS architecture allows participants to move naturally during experiments, making the platform suitable for laboratory studies as well as mobile neuroscience, neurorehabilitation, sports science, education, and human factors research.
Yes. The wireless design enables synchronized EEG and fNIRS recordings during walking, balance tasks, rehabilitation exercises, navigation, sports, dual-task experiments, and other natural behaviors. This allows researchers to investigate brain activity in real-world environments where conventional wired systems are impractical.
Yes. The available configurations depend on the selected g.Nautilus platform.
- g.Nautilus RESEARCH and MULTI-PURPOSE are available with 8, 16, 32, or 64 active EEG channels integrated with the fNIRS cap.
- g.Nautilus PRO Flexible additionally offers interchangeable electrode strands with 8, 16, 19, or 32 EEG channels, allowing researchers to switch between g.SCARABEO active wet electrodes, g.SAHARA Hybrid dry or gel-assisted electrodes, Safety Connector strands, or combinations thereof without replacing the complete system.
This modular approach allows laboratories to adapt the platform to different research protocols while maintaining synchronized EEG and fNIRS acquisition.
Yes. All g.Nautilus fNIRS systems record synchronized EEG and fNIRS. g.Nautilus MULTI-PURPOSE and g.Nautilus PRO Flexible additionally support physiological sensor integration, allowing researchers to acquire signals such as EMG, ECG, EOG, GSR, respiration, and other analog biosignals alongside EEG and fNIRS. This enables comprehensive investigations of brain activity, autonomic function, movement, and human physiology within one synchronized platform.
Every g.Nautilus fNIRS system is integrated into the complete g.tec Suite 2024 ecosystem, including g.HIsys Professional for real-time acquisition, synchronization, visualization, and Brain-Computer Interface development, g.BSanalyze for advanced offline analysis, g.Pype, Python, MATLAB, Simulink, and Lab Streaming Layer (LSL). The same software environment is used across all compatible g.tec EEG and fNIRS systems.
Yes. Every g.Nautilus fNIRS system integrates with the complete g.tec software ecosystem, including g.Pype, Python, MATLAB, Simulink, and Lab Streaming Layer (LSL). Researchers can develop custom signal processing pipelines, Brain-Computer Interfaces, machine learning algorithms, neurofeedback applications, and real-time EEG-fNIRS experiments.
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