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. Author manuscript; available in PMC: 2020 Dec 2.
Published in final edited form as: Prog Brain Res. 2011;194:145–165. doi: 10.1016/B978-0-444-53815-4.00010-8

Table 1.

Arrays used

Animal Array material, manufacture date, location Implant date Preinsertion impedances (kΩ)
Feline 1 SIROF 2006, January 2007 Mean 16, Median 11, Min 4, Max 110
Cyberkinetics/EIC
Feline 2 SIROF 2006, October 2008 Mean 23, Median 14, Min 5, Max 160
Cyberkinetics/EIC
Feline 3 SIROF 2009, July 2009 Mean 50.4, Median 50, Min 42, Max 74
Blackrock Microsystems
Feline 4 SIROF 2010, July 2010 Mean 46.9, Median 47, Min 40, Max 63
Blackrock Microsystems

Four SIROF arrays were chronically implanted in feline motor cortex. Felines 3 and 4 were microstimulated, while Felines 1 and 2 were used to obtain comparison recording-only data for long-term patterns of 1 kHz impedance and electrophysiological measures of chronic performance.