5. Glossary

electrode; electrode

(from the Greek $électron$ , referring to electricity, and hodós, "a path", literally "a path for electricity"). Interface through which electric current flows between two media of different natures.

phosphene; phosphene

Sensation of sight through the appearance of spots or light in the visual field caused by electrical or mechanical stimulation of the visual pathway. Electrical stimulation of implants can generate phosphenes.

action potential; potential d'action

An electrical signal that travels along the axons of neurons, triggering the release of neurotransmitters at synapses....