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With the Human to Human Interface, electrodes are placed on the muscles of one person’s arm. When that individual moves their hand, it signals the circuit board to deliver an electric shock that stimulates the muscles in the second person’s arm. Two OYA youth at MacLaren Youth Correctional Facility demonstrate the device during a recent visit from NW Noggin, a neuroscience-focused nonprofit, which came to teach young people about brain development in hands-on, interactive ways.