The translucent chip attached to the mouse’s leg looked nothing like a neuron. Dotted with a series of sensors and channels and smaller than a human finger, it looked—and flexed—like a Band-Aid. Yet when doused with dopamine, the chip worked its magic. The mouse’s leg began to twitch and stretch. Depending on the dose of … Continue reading This Artificial Neuron Uses Dopamine to Communicate With Brain Cells