Question 1

What are event-related potentials, and how are they useful in studying the workings of the normal brain?

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Question 2

Compare and contrast electroencephalograms and event-related potentials, describing how each arises and their electrophysiological bases. What abnormal conditions can they be used to diagnose?

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Question 3

What is optogenetics? Describe how light-sensitive molecules are used in optogenetics and give an example of what can be observed using this technique.

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Question 4

Write a coherent and informative paragraph incorporating each of the following terms or concepts: sodium channels; potassium channels; ion flow; equilibrium; resting potential.

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