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Proceedings 2017, 1(4), 610; doi:10.3390/proceedings1040610

Optical Imaging of Intrinsic Neural Signals and Simultaneous MicroECoG Recording Using Polyimide Implants

MTA EK NAP B Research Group for Implantable Microsystems, H-1121 Budapest, Hungary
ELTE NAP B Opto-Neuropharmacology Group, H-1121 Budapest, Hungary
Computational Neuroscience Group, Wigner Research Centre for Physics, HAS, H-1121 Budapest, Hungary
MTA-DE Neuroscience Research Group, University of Debrecen, Debrecen, Hungary
MTA EK MFA, Konkoly-Thege ut 29-33, H-1121 Budapest, Hungary
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
Author to whom correspondence should be addressed.
Published: 29 August 2017
(This article belongs to the Proceedings of Eurosensors 2017)
Download PDF [959 KB, uploaded 29 August 2017]


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.
Keywords: transparent EEG electrode; neuroimaging; intrinsic signals; microelectrocorticogram transparent EEG electrode; neuroimaging; intrinsic signals; microelectrocorticogram
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zátonyi, A.; Borhegyi, Z.; Cserpán, D.; Somogyvári, Z.; Srivastava, M.; Kisvárday, Z.; Fekete, Z. Optical Imaging of Intrinsic Neural Signals and Simultaneous MicroECoG Recording Using Polyimide Implants. Proceedings 2017, 1, 610.

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