What happens here is that the brain activity that generated the movements in the monkey was transmitted to Japan and made this robot walk while footage of this walking was sent back to Duke, so that the monkey could see the legs of this robot walking in front of her.
A atividade cerebral que gerou os movimentos do macaco foi transmitida para o Japão e fez o robô andar enquanto a filmagem dessa caminhada era enviada de volta para Duke, para o macaco poder ver as pernas do robô a caminhar à sua frente.