ArticleMicromachines2023
Chronic Stability of Local Field Potentials Using Amorphous Silicon Carbide Microelectrode Arrays Implanted in the Rat Motor Cortex.
Article in Micromachines, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Silicon Carbide Neural Interfaces: A Review of Progress Toward Monolithic Devices.Nanomaterials (Basel, Switzerland) · 2025Review
- Aging diminishes interlaminar functional connectivity in the mouse cortical V1 and CA1 hippocampal regions.bioRxiv : the preprint server for biology · 2025Article
- Electrochemical stability and neural recording with sputtered ruthenium oxide electrodes subchronically in rat motor cortex.Journal of neural engineering · 2025Article
- Degradation-aware neural imputation: Advancing decoding stability in brain machine interfaces.APL bioengineering · 2025Article
- Enhanced Performance of Novel Amorphous Silicon Carbide Microelectrode Arrays in Rat Motor Cortex.Micromachines · 2025Article
- Comparison of Subdural and Intracortical Recordings of Somatosensory Evoked Responses.Sensors (Basel, Switzerland) · 2024Article
- Planar amorphous silicon carbide microelectrode arrays for chronic recording in rat motor cortex.Biomaterials · 2024Article
- Amorphous SiC Thin Films Deposited by Plasma-Enhanced Chemical Vapor Deposition for Passivation in Biomedical Devices.Materials (Basel, Switzerland) · 2024Review
- Reactive Amine Functionalized Microelectrode Arrays Provide Short-Term Benefit but Long-Term Detriment toACS applied bio materials · 2024Article
- Through-polymer, via technology-enabled, flexible, lightweight, and integrated devices for implantable neural probes.Microsystems & nanoengineering · 2024Article
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
Implantable microelectrode arrays (MEAs) enable the recording of electrical activity of cortical neurons, allowing the development of brain-machine interfaces. However, MEAs show reduced recording capabilities under chronic conditions, prompting the development of novel MEAs that can improve long-term performance. Conventional planar, silicon-based devices and ultra-thin amorphous silicon carbide (a-SiC) MEAs were implanted in the motor cortex of female Sprague-Dawley rats, and weekly anesthetized recordings were made for 16 weeks after implantation. The spectral density and bandpower between 1 and 500 Hz of recordings were compared over the implantation period for both device types. Initially, the bandpower of the a-SiC devices and standard MEAs was comparable. However, the standard MEAs showed a consistent decline in both bandpower and power spectral density throughout the 16 weeks post-implantation, whereas the a-SiC MEAs showed substantially more stable performance. These differences in bandpower and spectral density between standard and a-SiC MEAs were statistically significant from week 6 post-implantation until the end of the study at 16 weeks. These results support the use of ultra-thin a-SiC MEAs to develop chronic, reliable brain-machine interfaces.
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Registered trials
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