When neurons are active, they lower the activity of neighboring neurons by sending suppressive signals to those cells. (scientificamerican.com)
It can be visualized as a kind of sound map: tones that are close to each other in terms of frequency are represented by neighboring neurons of the cochlear nucleus. (sciencedaily.com)
Australian neurophysiologist John Eccles and his colleagues in 1951 first managed to insert miniscule - tipped probes called microelectrodes directly into a neuron from the central nervous system to measure its responses to signals from neighboring neurons. (kavlifoundation.org)