3.2 ADDITIVE NEURONAL FEEDBACK Neurons do not compute alone.Neuron modify their state activations with external input and with the feedback from one another. This feedback takes the form of path-weighted signals from synaptically connected neurons.Neurons do not compute alone. Neuron modify their state activations with external input and with the feedback from one another. 3.2 ADDITIVE NEURONAL FEEDBACK This feedback takes the form of path-weighted signals from synaptically connected neurons