This is the classical recurrent inhibition micronet. Principal neuron M (for "motoneuron") receives excitatory input onto its dendrites from some source. M in turn excites inhibitory interneuron R (for "Renshaw cell"), which projects back onto the soma of M.
Disclaimer : the anatomical and biophysical attributes assumed in this example were chosen strictly for the sake of convenience and illustration. This model network and its constituent parts are only the palest imitations of biological networks and neurons.
Copyright © 2001 by N.T. Carnevale and M.L. Hines, All Rights Reserved.