HyeRi- week2problems

HyeRi- week2problems - 4. While dancing the tango, your...

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Week 2 problems 1. What would be the effect on Vm if equal numbers of excitatory and inhibitory postsynaptic channels were to open simultaneously in a postsynaptic neuron, producing an equal amount of excitatory and inhibitory current? 2. What would be the effect on Vm if simultaneously many excitatory channels opened and only a few inhibitory channels opened? And vice versa? 3. What does it mean when we say that a signal is all or none? and that a signal is graded?
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Unformatted text preview: 4. While dancing the tango, your partner steps on your toes. You first fell a sharp pain followed by a more diffuse, but persistent pain. Briefly explain the reasons for the time lag between the two types of pain in terms of the sensory fibers that conduct these signals and their properties...
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This note was uploaded on 03/10/2011 for the course BIPN 100 taught by Professor French during the Winter '07 term at UCSD.

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