Biomedical Cybernetics
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Brain-computer interfaces (BCIs), sometimes referred to as direct neural interfaces or brain-machine interfaces, are direct communication pathways between a central nervous system (or brain cell culture) and external devices. In one-way BCIs, appliances (like computers) either accept commands from the brain or send signals to it but not both. Two-way BCIs would allow brains and external devices to exchange information in both directions.

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