Lab 5 Action Potential Computer Simulation

Lab 5 Action Potential Computer Simulation - Lab 5 Action...

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Lab 5: Action Potential Computer Simulation Zachary Bergman Partner: Michael Roche TA: Sujit Jangam 5/10/09 Introduction The goal of this lab is to use a computer simulation to examine the effect of different changes on the action potential response of nerve cells. We will perform four different simulated tests that mapped the action potential threshold, the effect of different Na + and K + concentrations, the effect of various neurotoxins on nerve cell function, and the refractory period of the cell. This combination of tests will give a general understanding of how the body regulates certain pathways and mechanisms to keep nerve cell response functioning and how their hindrance effects overall functionality. Results Please see attached graphs and the Discussion section. Discussion 1. When the duration was changed from .25 ms to .20 ms, there was no action potential. We continued to increase the amplitude, but there was no signal until 33 amps. 2. Table 1. Trial Duration (ms) Amplitude (amps) Amplitude X Duration (ms*amps) 1 .25 27 6.75 2 .20 33 6.6 3. A low amplitude stimulus of long duration is equivalent to a high amplitude stimulus of short
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This note was uploaded on 02/16/2012 for the course BIOL_SCI 210-3 taught by Professor Somebody during the Spring '09 term at Northwestern.

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Lab 5 Action Potential Computer Simulation - Lab 5 Action...

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