PHYSIOLOGY
NEUROTRANSMISSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In neural processing, a brief resting pause that occurs after a neuron has fired.
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threshold
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synaptic cleft
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action potential
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refractory period
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Explanation:
Detailed explanation-1: -After the neuron has fired, there is a refractory period in which another action potential is not possible. The refractory period generally lasts one millisecond. During this time, the potassium channels reopen and the sodium channels close, gradually returning the neuron to its resting potential.
Detailed explanation-2: -Once a neuron fires an action potential, there is a so-called refractory period.
Detailed explanation-3: -Neurons communicate with each other via electrical events called ‘action potentials’ and chemical neurotransmitters. At the junction between two neurons (synapse), an action potential causes neuron A to release a chemical neurotransmitter.
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