Optical Imaging of Intrinsic Neural Signals and Simultaneous MicroECoG Recording Using Polyimide Implants
Proceedings of Eurosensors 2017, Paris, France, 3–6 September 2017(2017)
Abstract
This paper presents the simultaneous use of intrinsic optical signal imaging (iOS) and micro-electrocorticography (μECoG) techniques by introducing a transparent polymer based microelectrode array into the optical recording chamber used in vivo functional mapping experiments in anaesthetized cat. The robustness of its site impedance was proven in electrochemical impedance spectroscopy. To demonstrate the feasibility of the combined optical-electrical recording, we have run several stimulus protocols and measured the evoked optical and electrical responses of the visual cortex.
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