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KitKat22Rose9
18.02.2022 •
Biology
You are interested in the response properties of individual neurons in the occipital lobe that you believe are involved in processing information about motion. What is the best neurophysiological technique to assess this hypothesis in a living animal
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Ответ:
i) iv) ii) iii)
Explanation:
The excitable cell begins being in a resting state, with a negative charge, -70 mV. First (i) there is a stimulus of influx of sodio into the cell, if the stimulus is strong enough and exceeds -55 mV, the threshold potential, then an action potential will occur. (iv) A strong influx of sodium that deporalizes the cells causes a change to a positive charge in the cell. (ii) Then potassium efflux from the cell in large quantities, which repolarizes the cell. (iii) With a continuous efflux of potassium the cell can become more negative than the resting potential, this is called hyperpolarization.