This is a demonstration of how biological membranes can be understood using electrical models. We also demonstrate procedures for recording action potentials from the ventral nerve cord of the crayfish for student orientated laboratories.
Robinson, M. M., Martin, J. M., Atwood, H. L., Cooper, R. L. Modeling Biological Membranes with Circuit Boards and Measuring Electrical Signals in Axons: Student Laboratory Exercises. J. Vis. Exp. (47), e2325, doi:10.3791/2325 (2011).