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Functional testing of a star type VLARS MEA. For recording of spontaneous and evoked spike activity a piece of the retina (arrow) from a Wistar rat was placed with the ganglion cell layer onto the VLARS-MEA. The bond pads on the right are connected to the MEA hardware equipment for recording and stimulation. The wires connect each of 25 active VLARS electrodes with the bond pads.
