Neuron Model (IMAGE) Bar-Ilan University Caption The old scheme for a neuron functioning as an excitable unit (left), and the new one with left/right/down sensitivities (right) Credit Prof. Ido Kanter Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.