Sentences with phrase «small electrodes called»

Small electrodes called leads are covered in conducting gel and gently placed on the skin.

Not exact matches

A small electrical voltage applied to one electrode — called the «gate» — increases the electrical conductivity between two other electrodes, allowing a large current to flow from one to the other.

In the case of the negative ion source, the small amount of cesium is injected into the ion source and the cesium - adsorbed surface of the so - called «plasma electrode» become activated to transfer the electron to hydrogen atoms and hydrogenous positive ions that are colliding on the surface.

Neurosurgeons attached the electrode array, called BrainGate, to a small pedestal on top of each patient's head, from which wires stretch to a computer.