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This is called a neurotransmitter. While the predominant neurotransmitter in the brain is glutamate, this question could better be phrased as which compound doesn't act as neuromodulator or neurotransmitter. Transmitters such as Substance P, Neuropeptide Y are less known, but aspartate, acetylcholine, glycine, epinephrine which are neurotransmitters elsewhere in the body are also transmitters to some extent in the brain as wel.

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15y ago
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11y ago

Yes the brain communicates using nerotransmitters . Nerotransitters are the chemicals released at synapses in your neurons. It works like this the electrical signal passed through neurons changes from chemical to electrical when it moves from neuron to neuron. At the end of a neuron (which is call the axon terminal) the electrical signal triggers the production of chemicals that will be released out in to the small gap between neurons as no neurons actually touch. The gap is called the synaptic cleft. Then receptor proteins on the dendrites of the adjacent neuron will pick up the chemicals and signal the next neuron to fire, thus sending the signal to along. This all happens incredibly fast between 3 and 120 metres per second in myelinated fibres actually.

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11y ago

HORMONES.

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12y ago

yes

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Q: Which substance play an important role in communication between cells?
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