A Flexible Microelectrode for Mouse EEG
- A Flexible Microelectrode for Mouse EEG
- 최지현; Klaus Koch; Wigand Poppendieck; 이민아; 신희섭
- Issue Date
- Engineering in Medicine and Biology Conference
- Electroencephalography (EEG) of the
mouse brain offers the advantage to monitor brain states
in freely moving conditions under genetic or molecular
manipulation. We present a novel, flexible, and
biocompatible microfabricated electrode based on
polyimide to record a multi-channel EEG from a mouse.
Our microelectrode has 32 recording electrodes,
including two ground electrodes. The connectors for the
signal transmission are carefully affixed to the
microelectrode. The overall weight of the microelectrode
does not exceed 150 mg, including connectors. The
implantation of the microelectrodes does not require
invasive surgery and the mouse can be easily discharged
from the wires when it is not being recorded.
Simultaneous measurements with the microelectrode and
a conventional screw electrode show that the
microelectrode successfully collects the broad band EEG
signals from the skull.
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