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lecture_10_01_b - Passive Electrical Properties Lectures...

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What you will learn in these lectures 1. You will learn that passive electrical properties are important for neural integration over time and space. 2. You will once again see the importance of the chemical and electrical forces. It is these forces that lead to sodium influx after Duckman steps on a pebble. 3. You will learn that current injected into a neuron will cause a voltage change across the cell membrane having a characteristic voltage vs. time waveform. 4. You will learn that the resistive and capacitive properties of the cell membrane give rise to this waveform. 5. You will learn that current injected into a neuron will cause voltage changes across the cell membrane at distant locations. However, these voltage changes will be weaker or attenuated as a function of distance. 6. You will learn that the internal resistance and the membrane resistance are properties that determine how much the voltage across the cell membrane attenuates as a function of distance. 7. You will be introduced to mathematical equations used to predict how the voltage across the cell membrane changes following current injection.
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