Artefact suppression using multiple recording electrodes

Applications: Closed loop neuromodulation systems

Although methods for suppressing stimulation artefacts currently exist, few have focussed on solving the problem for closed-loop and low powered devices. The present invention proposes a method of real-time artefact suppression specifically designed for these applications.

Features	Benefits
Uses multi electrode recordings to achieve real-time artefact suppression in feedback signals for closed loop applications.	Has the potential to work for all applications in which simultaneous recording and stimulation is required, including closed loop DBS.
Capable of handling complex stimulation signals with varying properties.	Useful for closed loop applications as no limit is imposed on the form of the stimulation signal.
Computationally simple and inexpensive.	Ideal for real-time use Does not require complex operations to be performed or specialised hardware to be incorporated into the device.
The method is effective at suppressing the artefact for a dynamical system.	Particularly useful for closed loop strategies in which stimulation is continually adjusted in accordance with changing pathological activity.
No restrictions on the form of the stimulation artefact.	The artefact can take any complex shape and vary over time.

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Artefact suppression using multiple recording electrodes

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