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There are two families of receptors: ionotropic and metabotropic receptors.Ionotropic receptors are a combination of a receptor and an ion channel.
Cellular neuroscience examines the various types of neurons, the functions of different neurons, the influence of neurons upon each other, how neurons work together.
As Na ions enter the cell, the membrane potential is further depolarized, and more voltage-gated sodium channels are activated.
Such a process is also known as a positive feedback loop.
Plastic change often results from the alteration of the number of neurotransmitter receptors located on a synapse.
There are several underlying mechanisms that cooperate to achieve synaptic plasticity, including changes in the quantity of neurotransmitters released into a synapse and changes in how effectively cells respond to those neurotransmitters.