OpenBCI
Open-cEEGrid Around-the-Ear EEG Bundle
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Product Overview
Everything you need for 16-channels of around-the-ear EEG data
More Product Info
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Open-cEEGrids are a flexible, re-usable and convenient around-the-ear electrode array that capture EEG and other physiological phenomena. This biosignal acquisition system allows the discrete recording of electrophysiological changes (e.g., EEG, ECG, EMG) from inconspicuous electrodes positioned around the ears.
Everything you need for 16-channel around-the-ear EEG recording: Open-cEEGrid + CytonDaisy Biosensing Board
Scientifically Validated
Ear-centered EEG has been validated in a range of studies:- Debener et al. 2015: ERP and P300 data obtained via unobtrusive ambulatory EEG using a smartphone and cEEGrid
- Bleichner and Debener 2017: cEEGrid enables the recording of meaningful continuous EEG, event-related potentials and neural oscillations
- Holtze et al. 2022: Ear-EEG via mobile cEEGrid comparable to traditional high-density EEG caps for measurement of auditory attention to continuous speech
Scientific validation of OpenBCI bio-amplifiers for ear-centered EEG:- Knierim et al. 2023: A Systematic Comparison of High-End and Low-Cost EEG Amplifiers for Concealed, Around-the-Ear EEG Recordings
- Knierim et al. 2022: Reliable detection of jaw clenching events
- Knierim et al. 2021: Open-source concealed EEG data collection for BCI
cEEGrids for sleep stage classification research:
- C.J. de Gans et al. 2024: Sleep assessment using EEG-based wearables – A systematic review
- Huy Phan et al. 2023: L-SeqSleepNet: Whole-cycle Long Sequence Modeling for Automatic Sleep Staging
Information on recording suitability: Kurniawan et al. 2022 highlights lower impedance of gold (Au) electrodes in the 1-1000Hz region than Ag/AgCl. Gold electrodes are suitable for biosignal recordings like EEG.
At the same time, gold electrodes are known to polarize, which can complicate ERP recordings. Therefore, the gold-plated Open-cEEGrids are recommended for oscillatory EEG (frequency band power) and ECG, EOG, and EMG recordings instead of ERP.
What's Included:
Item Description QTY OpenBCI CytonDaisy Board 16-channels 1 Adapter 2 Connector Cables 20 Enclosure 1 Baseball Cap 1 Headband 1 Open-cEEGrid Replacement stickers 30 Pair of Gold-Plated Open-cEEGrid Electrodes 3 Alcohol Cleaning Pads 1 AbrasivPlus Electrolyte Gel 1 Blunt Syringe 2 Applicator 1 Assembly Required - See Product Guide
cEEGrid Kit Creator:
Michael Knierim - OpenBCI Community Post
FREE Software Included:
The OpenBCI GUI is OpenBCI's powerful desktop software tool for visualizing, recording, and streaming data from OpenBCI boards. Provided free and open-source with no extra charges or add-ons for accessing the raw data.
Shipping FAQ
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OpenBCI products are not medical devices nor are they intended for medical diagnosis and are provided to you "as is," and we make no express or implied warranties whatsoever with respect to its functionality, operability, or use, including, without limitation, any implied warranties, fitness for a particular purpose, or infringement. We expressly disclaim any liability whatsoever for any direct, indirect, consequential, incidental or special damages, including, without limitation, lost revenues, lost profits, losses resulting from business interruption or loss of data, regardless of the form of action or legal theory under which the liability may be asserted, even if advised of the possibility of such damages.
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