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Behavioral correlates of action potentials recorded chronically inside the Cone Electrode.


Action Potentials, Animals, Cerebral Cortex, physiology, Electric Stimulation, Electrodes, Electrophysiology, instrumentation, methods, Hand, innervation, Macaca, Motor Activity, Motor Cortex, Movement

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      Long-term recording of stable action potentials with a new electrode configuration has been achieved for up to 15 months in monkeys. Action potentials are separated from the continuous multi-unit recordings made between two wires inside a glass open ended cone implanted in the motor cortex. Neural tissue is induced to grow into the glass cone by autologous sciatic nerve placed inside prior to implantation. Data presented here show that behavioral correlates of neural activity are related to flexion and extension movements of the contralateral hand and digits. These data suggest that this electrode can be used in both basic and applied studies.

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