Equalization for intracortical microstimulation artifact reduction.
Open accessAbstract
We present a method for decreasing the duration of artifacts present during intra-cortical microstimulation (ICMS) recordings by using techniques developed for digital communications. We replace the traditional monophasic or biphasic current stimulation pulse with a patterned pulse stream produced by a Zero Forcing Equalizer (ZFE) filter after characterizing the artifact as a communications channel. The results find that using the ZFE stimulus has the potential to reduce artifact width by more than 70%. Considerations for the hardware implementation of the equalizer are presented.
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In Dura et al. (2012) and Chu et al. (2013), high-frequency short-duration pulses or other specific patterns are adopted for stimulation.
“In Dura et al. (2012) and Chu et al. (2013), high-frequency short-duration pulses or other specific patterns are adopted for stimulation.”
From Advances in Neural Recording and Stimulation Integrated Circuits (2021) · cites this paper as Chu et al., 2013
Cites
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Toward true closed-loop neuromodulation: artifact-free recording during stimulation.
Zhou, A., Johnson, B. C., & Muller, R. (2018) · Current Opinion in Neurobiology · doi:10.1016/j.conb.2018.01.012 · Cited by 125 · see citing works
Advances in Neural Recording and Stimulation Integrated Circuits
Li, J., Liu, X., Mao, W., Chen, T., & Yu, H. (2021) · Frontiers in Neuroscience · doi:10.3389/fnins.2021.663204 · Cited by 21 · see citing works
- Authors
- Chu, P., Muller, R., Koralek, A., Carmena, J. M., Rabaey, J. M., & Gambini, S.
- Affiliations
- University of California, Berkeley (US)
- The University of Melbourne (AU)
- Venue
- 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
- Publisher
- IEEE
- Published
- 2013-07
- Volume
- 2013
- Pages
- 245-248
- ISSN
- 2375-7477 (ISSN-L)
- OpenAlex
- W2049528401
- Cited by
- 13
- References
- 7
- Citations by year
- 2025: 1 · 2024: 1 · 2022: 1 · 2021: 5 · 2018: 3 · 2015: 1 · 2014: 1
- FWCI
- 1.77
- Type
- conference paper
- Language
- en
- Open access
- green
- escholarship.org
- Licence
- cc-by-nc-nd
- Locations
- Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) (publishedVersion)
- PubMed (publishedVersion)
- UC Berkeley (submittedVersion)
- eScholarship (California Digital Library) (submittedVersion, cc-by-nc-nd)
- Topics
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
- Health Sciences › Medicine › Neurology › Neurological disorders and treatments
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
- Keywords
- intracortical microstimulation, artifact reduction, zero-forcing equalizer, channel modeling
- MeSH terms
- Animals, Humans, Microelectrodes, Artifacts, Deep Brain Stimulation, Rats, Brain-Computer Interfaces
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