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I think the transition from learning about the “I-function” to learning about neuronal signals is reasonable. Neuronal signals allow the “I-function” and other parts of the brain to transmit and receive signals. It is interesting to think of the Na^{+ /} K⁺ pump as a battery. It is the action potential created between the opposite sides of the membrane that propagates the signal down the axon. It’s hard to imagine that all of the signals that are transmitted and received in our bodies are controlled by the transfer of charges across a membrane. I’m surprised we as humans can do things as quickly and consistently as we do when every action we take is controlled by the transfer of charges across a membrane. I also think it’s very interesting that all neural signals are the same, it is the neural pathways that are different. What what it is that makes our neuronal pathways different and how does that really change a response?  I am still pondering the questions that we brought up in class. How can signals start in the middle of the nervous system model box? How can signals stop in the middle of the box?