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Reference.org
Microelectrode array
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<p>Microelectrode arrays (MEAs) (also referred to as multielectrode arrays ) are devices that contain multiple (tens to thousands) <a href="/facts/Microelectrode/IUHC6a7F">microelectrodes</a> through which neural <a href="/facts/Signal_(electronics)/41YqUJ8c">signals</a> are obtained or delivered, essentially serving as neural interfaces that connect <a href="/facts/Neuron/G7CyTVdH">neurons</a> to <a href="/facts/Electric_circuit/zt94kTW0">electronic circuitry</a>. There are two general classes of MEAs: implantable MEAs, used <i><a href="/facts/In_vivo/kWcWyl6f">in vivo</a></i>, and non-implantable MEAs, used <i><a href="/facts/In_vitro/evp3hAX6">in vitro</a></i>. In each class, there are rigid, flexible, and stretchable microelectrode array. </p>