discuss the process of the neuron firing an action potential from the resting period to the refractory period? Give an example of this in a different scenario.
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discuss the process of the neuron firing an action potential from the resting period to the refractory period? Give an example of this in a different scenario.
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- A neuron responds to adequate stimulation with _______, a type of self-propagating signal.Assume presynaptic excitatory neuron A terminates on a postsynaptic cell near the axon hillock and presynaptic excitatory neuron B terminates on the same postsynaptic cell on a dendrite located on the side of the cell body opposite the axon hillock. Explain why rapid firing of presynaptic neuron A could bring the postsynaptic neuron to threshold through temporal summation, thus initiating an action potential, whereas firing of presynaptic neuron B at the same frequency and the same magnitude of EPSPs may not bring the postsynaptic neuron to threshold.Briefly explain how a neuron at resting potential becomes activated.
- Which of the statements below describe a situation in which the change in membrane potential above could cause the firing of an action potential? Select all that apply. ___If the potential is counteracted by an IPSP. ___If the potential is strong enough to bring the axon hillock to threshold. ___If the neuron is in the relative refractory period. ___If the potential is supplemented by a simultaneous (or near-simultaneous) EPSP.Based on the graph, how soon could another action potential be easily initiated (at the end of the relative refractory period) after the first stimulus? (Base your answer to this question on the graph below depicting an action potential.) less than 0.5 msec 1 msec 2 msec 3 msec 4 mseca.Would an action potential travels faster in an axon with a wide diameter or a small diameter? b. Would an action potential travel faster in an axon that is myelinated or unmyelinated?
- anatomy and psychology Choise What guarantees that there are unidirectional action potential? A. threshold B. depolarization refractory period C. absolute refractory period D. relative refractory periodDiscuss the activity, structures and chemicals of both the neural axon and receptor. And a discussion about the synapse should begin with a definition and a comparison of the two categories.Which is the correct order of the firing of a neuron? a. resting potential, threshold, action potential, refractory period b. resting potential, threshold, refractory period, action potential c. action potential, resting potential, refractory period, threshold d. threshold, resting potential, refractory period, action potential
