In this lecture we will talk about the forces that create the membrane potentials essential to signaling in the nervous system. After the lecture you should be able to understand the Nernst equation. You should know the main ion species, their distribution and their equilibrium potentials. Textbook: Purves et al – neuroscience 3ed.   For … Continue reading 2015/06/10 Lecture 2: Electrochemical Gradients