Diadem is a portable EEG headset designed for real-world applications that require great comfort and unobtrusiveness for the user and an agile setup and outstanding signal quality for the researcher. Developed with 12 dry EEG electrodes over specific brain areas, it is optimised to estimate emotional and cognitive states (pre-frontal, frontal, parietal and occipital brain areas). Its high-performance active shielding and stable mechanical design provide outstanding robustness and EEG signal quality, even with movement or during long recording periods.
Owing to its refined usability, this dry electrode EEG headset can be easily self-placed in less than 2 minutes by the final user, or assisted by either technical or non-technical experts. This feature, in combination with its great comfort and reliability, is opening the door to neuroscience research in real-world applications and real-life brain-computer interface products operated everywhere by final users, families or assistants.
Diadem comes with the Bitbrain Software Kit for EEG signal acquisition, processing, and programming, which has a large compatibility with real-time I/O and third-party data processing (LSL, Matlab, Python, BCI2000, OpenVibe, etc). Also, by acquiring the Human Behaviour Research Lab, it can be performed a seamless synchronisation with other human monitoring technologies such as ExG, GSR, eye-trackers, indoor positioning system, among many others.
Light (190gr) and flexible headset design that adapts to each head morphology (85 perc global population). It has 12 dry-EEG sensors with mechanical designs that reduce contact impedances and guarantee stable contacts, as well as active shielding to maximise SNR.
Portable, small and light (125gr) amplifier that records the EEG channels at a resolution of 24 bits at 256 Hz. It has an internal IMU (9 DOF) and online relative impedance control. With microSD recording and Bluetooth connectivity, a 10+ metre range, and up to 8+ hours continuous recording.
Clean, quick and easy set up by non-technical personnel in just a few minutes. This dry-EEG system does not require expenses on consumables (jars of gels, syringes, shampoo, etc.), and there are no additional maintenance costs. It comes with an intuitive, powerful software platform for signal acquisition with visual cues to assure quality montage and EEG monitoring.
Sensors and headset | |
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EEG channels | 12 x EEG (Fp1, Fp2, AF7, AF8, F3, F4, P3, P4, PO7, PO8, O1, O2), REF (A1) y DRL (Fpz) |
Type of sensors/electronics | EEG dry sensors with active shielding and optimized DRL |
Head perimeter | 53 cm - 61 cm |
Wireless amplifier | |
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Sampling rate/resolution | 256 SPS at 24 bits |
Bandwidth | DC – 40Hz (3º order LPF) |
Online/real-time pedance check | Yes (relative contact impedance) |
Integrated sensors | Integrated IMU (9 axis): accelerometer, gyroscope magnetometer |
Other inputs | 1 x Digital input (1 bit), 1 x optical trigger |
Input range and noise | ± 100 mV, < 1 μVRMS (0.5 – 30Hz) @256Hz |
CMRR / Input impedance | > 100 dB @50Hz, > 50 GΩ |
Data streaming and store | |
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Data transmission and range | Bluetooth 2.1 + EDR with 10 meters in direct sight. |
Data backup | Yes (removable µSD card. Max 8GB, class ≥10 ) |
Power | |
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Battery | Rechargeable lipo battery. Charging time <3h |
Autonomy | > 8 h |
General | |
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Weight | Headset: 185g. Amplifier: 122g |
Maintenance | Wipes moistened in tap water. |
Warranty | 2 years |
Certifications | CE and CB, with EN 60950, EN 55032, EN 55024 |
Bitbrain Software Kit (included with equipment) | |
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Bitbrain real-time SDK | In C/C++ for Windows and Linux. |
Bitbrain data acquisition and visualization suite | Live visualization, streaming or SD recording, data export in CVS and raw data visualization. |
Third parties real-time I/O | All compatible with LabSreamingLayer LSL (BCI2000, OpenVibe, NeuroPype, etc). |
Third parties data processing | Matlab (EEGLAB, FieldTrip, BCILAB,etc), Python (MNE, etc) and more. |
Bitbrain software platforms (optional) | |
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Bitbrain Human Behaviour Research Lab | Practical research platform for experiment design and data acquisition with 30+ sensor modalities seamlessly synchronized, and to compute a wide range of emotional and cognitive biometrics. |
Bitbrain Cognitive Training Lab | Software platform for QEEG and cognitive training for health and wellness. |
Bitbrain programming framework | Multimodal real-time neuroscience or braincomputer interface development. |
The devices are easily stored and transported within a suitcase. Technology is easily cleaned with common wipes.
Basic Support is included during the life time of the product.
Optional Premium support is also available.
Diadem comes with a software for EEG signal acquisition, processing and programming, which has a large compatibility with real-time I/O and third-party data processing.
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