Electrodes may be placed.Logical formLearned from43 sentences. Electrodes can be selective.Logical formLearned from41 sentences. Electricity may run through an electrode.Logical formLearned from40 sentences. A series can be constituted-of-or-filled-with electrodes.Logical formLearned from36 sentences. Electrodes may undergo a placement.Logical formLearned from34 sentences. A set can be constituted-of-or-filled-with electrodes.Logical formLearned from34 sentences. A surface may pertain-to an electrode.Logical formLearned from33 sentences. An electrode can be transparent.Logical formLearned from33 sentences. Electrodes can be stimulating.Logical formLearned from32 sentences. Electrodes can be metallic.Logical formLearned from31 sentences. An electrode can be stimulating.Logical formLearned from31 sentences. A distance can be between electrodes.Logical formLearned from30 sentences. Electrodes may undergo an implantation.Logical formLearned from30 sentences. A dish can be with some electrodes.Logical formLearned from30 sentences. Electrodes can be in a brain.Logical formLearned from30 sentences.