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Conf Proc IEEE Eng Med Biol Soc. 2011;2011:5855-9. doi: 10.1109/IEMBS.2011.6091448.

Approaches for the efficient extraction and processing of biopotentials in implantable neural interfacing microsystems.

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Dept of Electrical and Computer Eng, Laval University, Quebec City, QC G1V 0A6, Canada.


The accelerating pace of research in neurosciences and rehabilitation engineering has created a considerable demand for implantable microsystems capable of interfacing with large groups of neurons. Such microsystems must provide multiple recording channels incorporating low-noise amplifiers, filters, data converters, neural signal processing circuitry, power management units and low-power transmitters to extract and wirelessly transfer the relevant neural data outside the body for computing and storage. This paper is reviewing several electronic recording strategies to address the challenge of operating large numbers of channels to gather the neural information from several neurons within very low-power constraints.

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