Selzer ME. The effect of phenytoin on the action potential of a vertebrate spinal neuron. Brain Res 1979;171(3):511-21.Selzer ME (1979) The effect of phenytoin on the action potential of a vertebrate spinal neuron. Brain Res 171:511–521...
The action potential of the squid giant axon is formed by just two voltage-dependent conductances in the cell membrane, yet mammalian central neurons typically express more than a dozen different types of voltage-dependent ion channels. This rich repertoire of channels allows neurons to encode infor...
Most cells in the body make use of charged particles, ions, to build up a charge across the cell membrane. Previously, this was shown to be a part of how muscle cells work. For skeletal muscles to contract, based on excitation–contraction coupling, requires input from a neuron. Both of ...
In response to a stimulus, a neuron creates an electrical signal which is called an action potential. The main function of it is depolarization and...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question O...
Resting potentialThe average resting potential of a plant cell membrane also differs from that of a neuron. For example, the Venus flytrap cell rests on average at approximately − 120 mV (in contrast to the average − 60 mV to − 70 mV of animal APs), eliciting an AP at the thre...
Briefly describe action potentials. What is the mechanism of action of dichloroacetate? How does an action potential spread across a neuron? What two factors determine how quickly an action potential will travel? Explain how action potentials work and the phases that are involved. ...
These changes indicate a reduction in the action potential sodium current generated in the neuron’s soma or proximal dendrite. We suggest that these changes may partially underlie aging-associated slowdown of computational processes and impaired learning in the neocortex of the human brain. 2. ...
could reflect increased water retention and subsequent compression of cortical tissue. However, the persistence of these changes at 2 years postpartum and regional variation in GMV, CT and QA, hint at cellular underpinnings, such as alterations in glia or neuron number, synaptic density and myelinat...
At rest, the Vm of a neuron is around -70 mV (close to the equilibrium potential for potassium, VK), but during an action potential, Vm transiently approaches +50 mV (close to the equilibrium potential for sodium, VNa). The membrane potential then rapidly returns to the resting potential ...
An action potential occurs when the charge across a membrane rapidly increases and decreases. When a neuron experiences a stimulus, that stimulus... Learn more about this topic: Action Potential | Definition, Steps & Examples from Chapter 48/ Lesson 4 ...