brain machine interface literally means connecting living brain tissue with artificial devices. these can be mechanical, electronic and even computational devices. this connection is literal. our brains are made of cells. circuits formed by cells. so we have about 100 billion cells interconnected in our brains. this narrows the communicate with one another through electrical signals, that's our memories are built. our emotions are created. that's how we move our body. how we sense the world around us. it's all through the same basic alphabet and language. and in the case of primates, we are able it 0 show you can read the signals and send them to devices. and these devices will move according to the voluntary intention of the primate. what you see here is the eagle's