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. 2022 Sep 16;8:104. doi: 10.1038/s41378-022-00436-5

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Fig. 1 — a Three layers, containing the insulating layer, conducting layer, and substrate, were patterned to form the structure of the MEA. b Optical photograph of the tip of the MEA. c Illustration of the arrangement of MEA probes according to the shape of the MEC (left) and a sagittal brain section with red traces of the implanted MEA (right)