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  5. Bitbrain - Diadem Wearable Dry-EEG ...

Bitbrain - Diadem Wearable Dry-EEG Headset

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The Diadem Wearable Dry-EEG Headset from Bitbrain is a portable device designed to facilitate real-world applications of EEG technology with a focus on comfort and unobtrusiveness. Equipped with twelve strategically placed dry EEG electrodes, it is adept at estimating emotional and cognitive states by targeting key brain areas such as pre-frontal, frontal, parietal, and occipital lobes. The headset's robust design includes active shielding and a stable mechanical framework to ensure high signal quality, even during motion or extended recording sessions. It accommodates easy self-placement in under two minutes, thus promoting accessibility to both technical and non-technical users. Diadem integrates with the Bitbrain Software Kit, offering functionalities for EEG signal acquisition, processing, and programming, and maintaining high compatibility with platforms like LSL, Matlab, and Python. This configuration supports synchronized operations with other human monitoring technologies, paving the way for innovative research and development in neuroscience and brain-computer interfaces.
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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, among many others.

Wearable and portable

Ultralight design with flexible arcs and adjustments to ensure great comfort. Bluetooth streaming and on-board SD storage.

Outstanding usability

Quick and easy set up by non-technical experts or the final user, almost anywhere and under any circumstance.

Optimised EEG sensor placement

Measure accurately frontal alpha asymmetry, occipital alpha -ERD/ERS, P300, N400, CVN, etc.

Robust dry-EEG monitoring

High-quality EEG that records with a resolution of 24 bits at 256Hz for 8+ hours thanks to active shielding with stable sensor contacts.

Practical technology

Easy to transport and store without maintenance or expenses on consumables.

High software compatibility

Intuitive software suite for users or SDK for programmers, and great compatibility with Matlab, Python, etc.
  • Hardware
  • EEG channels
  • 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
  • Sampling rate / resolution : 256 SPS at 24 bits
  • Bandwidth : DC – 40Hz (3º order LPF)
  • Online / real-time impedance 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
  • 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
  • Battery : Rechargeable lipo battery. Charging time <3h
  • Autonomy : > 8 hs
  • General
  • 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
  • Software
  • Bitbrain software kit (included with equipment)
  • 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 LabStreamingLayer LSL (BCI2000, OpenVibe, NeuroPype, etc)
  • Third parties data processing : Matlab (EEGLAB, FieldTrip, BCILAB,etc), Python (MNE, etc) and more
  • Bitbrain software platforms (optional)
  • 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 brain-computer interface development