The authors describe an activity they have created in which students can visualize a theoretical neural network whose states evolve according to a well-known simple law. This activity provided an uncomplicated approach to a paradigm commonly represented through complex mathematical formulation. From their observations, students learned many basic principles and concepts of the dynamic systems, all necessary to understand the structure-dynamic relationship. This last relation is one of the main paradigms in the integrated curriculum of many health sciences professionals. In the activity, the authors proposed to students a theoretical "human" neural network, with each student representing a neuron. In this article, they describe some essential aspects used to obtain the dynamics of the neural network. (Contains 1 table and 2 figures.)