NDLI: Silicon-substrate intracortical microelectrode arrays for long-term recording of neuronal spike activity in cerebral cortex

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Silicon-substrate intracortical microelectrode arrays for long-term recording of neuronal spike activity in cerebral cortex

Content Provider	CiteSeerX
Author	Kipke, Daryl R. Vetter, Rio J. Williams, Justin C. Hetke, Jamille F.
Abstract	Abstract—This study investigated the use of planar, silicon-substrate microelectrodes for chronic unit recording in the cerebral cortex. The 16-channel microelectrodes consisted of four penetrating shanks with four recording sites on each shank. The chronic electrode assembly included an integrated silicon ribbon cable and percutaneous connector. In a consecutive series of six rats, 5/6 (83%) of the implanted microelectrodes recorded neuronal spike activity for more than six weeks, with four of the implants (66%) remaining functional for more than 28 weeks. In each animal, more than 80 % of the electrode sites recorded spike activity over sequential recording sessions during the postoperative time period. These results provide a performance baseline to support further electrode system development for intracortical neural implant systems for medical applications. Index Terms—Brain–computer interface (BCI), brain–machine interface, microelectrode, neuroprosthesis. I.
File Format	PDF
Journal	IEEE Trans. Neural Syst. Rehabil. Eng
Language	English
Access Restriction	Open
Subject Keyword	Cerebral Cortex Neuronal Spike Activity Silicon-substrate Intracortical Microelectrode Array Long-term Recording Index Term Computer Interface Implanted Microelectrodes Silicon-substrate Microelectrodes Medical Application Sequential Recording Session Silicon Ribbon Cable Intracortical Neural Implant System Spike Activity 16-channel Microelectrodes Chronic Electrode Assembly Postoperative Time Period Consecutive Series Percutaneous Connector Performance Baseline Brain Machine Interface Electrode System Development Chronic Unit
Content Type	Text
Resource Type	Article

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