Also found in: Thesaurus, Medical, Wikipedia.
Related to excitatory: excitatory amino acids


 (ĭk-sī′tə-tĭv) or ex·ci·ta·to·ry (-sī′tə-tôr′ē)
Causing or tending to cause excitation.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.excitatory - (of drugs e.g.) able to excite or stimulate
stimulative - capable of arousing or accelerating physiological or psychological activity or response by a chemical agent
References in periodicals archive ?
We took advantage of the fact that transplanted interneurons can integrate remarkably well into new brain tissues, and that each interneuron can control thousands of excitatory neurons," said Palop.
AMPA receptors mediate fast excitatory synaptic transmission in the central nervous system, a process which can be disrupted in a number of neurological and psychiatric diseases, including schizophrenia.
OVIOI, a delta (d)-selective GABAA receptor agonist, is believed to be the first investigational drug to target the disruption of tonic inhibition, a key mechanism that allows the brain to decipher excitatory and inhibitory neurological signals correctly without being overloaded.
Some of the latter excitatory neuron types appear to be unique to humans.
Yale scientists coaxed early stem cells to create and fuse two types of organoids from different brain regions to show how the developing brain maintains proper balance of excitatory and inhibitory neurons.
These are the most important neurotransmitters, and they represent both the excitatory and inhibitory aspects of neurotransmitters.
AMPA receptors, widely present in almost all excitatory neurons, transmit signals stimulated by the excitatory neurotransmitter glutamate within the brain, and are believed to play a role in central nervous system diseases characterised by excess neuroexcitatory signalling, including epilepsy6.
The connection between GPi and thalamus (THL) is inhibitory while the connection from thalamus to cortex is excitatory.
5) aside from a close relationship with the excitatory NMDA receptors in the central nervous system, ketamine also interacts with the voltage-gated ion channels, including voltage-gated [Ca.
Prior scientific evidence shows that when the active device stimulates the afferent fibers of the vagus nerve, there is a rapid and sustained change in brain chemistry characterized by the release of inhibitory neurotransmitters, and a decrease in the over-expression of the excitatory neurotransmitter glutamate.
These inhibitory neurons act locally to slow or halt the excitatory activity--much like tapping the brake pedal after a period of acceleration.
Methods: Field excitatory postsynaptic potentials (fEPSPs), spontaneous excitatory postsynaptic currents (sEPSCs) and miniature spontaneous excitatory postsynaptic currents (mEPSCs) were recorded, by using in vitro field potential electrophysiology and whole-cell patch clamp techniques in acute hippocampal slices from rats.

Full browser ?