excitatory impulse


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excitatory impulse

A nerve signal that increases the activity of target cells, organs, or tissues.
See also: impulse
References in periodicals archive ?
The normal function of the globus pallidus and substantia nigra is to inhibit the thalamus; when the two structures are disinhibited, the thalamus sends increased excitatory impulses to the cortex, propagating excitation of motor neurons.
After SCI, there is an observed increase in levels of glutamate and aspartate, EAAs responsible for mediating excitatory impulses via ligand-gated ionotropic receptors, including NMDA and AMPA [7, 8].
Inhibitory and excitatory impulses were suppressed suggesting inhibition of signal transmission between neurons.

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