Lesson 2: Passive Membrane Properties Electrical signals between neurons can be sent through changes in their membrane potentials. In order to more deeply understand these electrical signals, we will first study the electrical properties of the neuron itself.
We will examine the resistive and capacitive properties of the neuron, how these properties arise from biological factors, and how these properties influence how a neuron responds to electrical signals. The action potential is generated by the precise opening and closing of voltage-gated channels that cause specific changes to the neuron's membrane potential. We'll develop an in-depth understanding of the mechanisms of these channels and the ionic currents behind the action potential.
Lesson 4: Action Potential Propagation Neurons send electrical signals through action potentials moving down their axons. In order to further develop our understanding of the way neurons generate and send electrical signals, we will integrate our knowledge of the electrical properties of the neuron and the action potential itself.
This will allos us to understand how the nervous system has solved the problem of fast and reliable communication.
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We've spent a lot of time discussing the electrical properties of neurons, and along the way you've seen many different demonstrations. You can perform some of these experiments, as well as others we haven't shown yet, yourself, using an inexpensive piece of equipment known as a SpikerBox.
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Fundamental Neuroscience: Fourth Edition
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