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CN

Tripolar Concentric Ring Electrode (TCRE) Sensor

Manufacturer:U.S CRE
Brand:CRE
Model: t-interface 20

The TCRE sensor has a revolutionary electrode design. Each TCRE sensor contains 3 electrodes: outer ring, middle ring, and center disc.
The TCRE sensor performs the Laplacian automatically and takes bipolar differences of the surface potentials from its closely spaced electrodes, which improves common mode rejection.
The outer ring of the TCRE sensor has the same size as a conventional disc electrode and emulates disc electrode biopotentials.
Each TCRE provides 2 output signals: ①a high fidelity, differential Laplacian signal by combining the differences between (outer ring - center disc) and (middle ring - the center disc)；②a conventional EEG signal from the outer ring.
Besides EEG, the TCRE sensor can also be used to acquire electrocardiography (ECG), electromyography (EMG), and other biopotentials.
The TCRE works in conjunction with the t-Interface 20.

Advantages of tEEG Compared to Conventional EEG

375% improved signal-to-noise ratio (SNR) and superior artifact rejection.
10 times higher spatial resolution.
Only 8% mutual (overlapping) information, higher information content.
1/10 time to collect event related potentials (ERPs).
Detect high frequency activity.

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