Dopamine. In the brain, dopamine functions as a neurotransmitter - a chemical released by neurons (nerve cells) to send signals to other nerve cells. These pathways and cell groups form a dopamine system which is neuromodulatory. Neuromodulation. Major neuromodulators in the central nervous system include dopamine, serotonin, acetylcholine, histamine, and norepinephrine. In both cases the transmitter acts on local postsynaptic receptors, but in neuromodulation, the receptors are typically G-protein coupled receptors while in classical chemical neurotransmission, they are ligand-gated ion channels.
Dopamine prevents neuromodulation.
Dopamine. In the brain, dopamine functions as a neurotransmitter - a chemical released by neurons (nerve cells) to send signals to other nerve cells. These pathways and cell groups form a dopamine system which is neuromodulatory. Neuromodulation. Major neuromodulators in the central nervous system include dopamine, serotonin, acetylcholine, histamine, and norepinephrine. In both cases the transmitter acts on local postsynaptic receptors, but in neuromodulation, the receptors are typically G-protein coupled receptors while in classical chemical neurotransmission, they are ligand-gated ion channels.

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Dopamine prevents neuromodulation.
Dopamine. In the brain, dopamine functions as a neurotransmitter - a chemical released by neurons (nerve cells) to send signals to other nerve cells. These pathways and cell groups form a dopamine system which is neuromodulatory. Neuromodulation. Major neuromodulators in the central nervous system include dopamine, serotonin, acetylcholine, histamine, and norepinephrine. In both cases the transmitter acts on local postsynaptic receptors, but in neuromodulation, the receptors are typically G-protein coupled receptors while in classical chemical neurotransmission, they are ligand-gated ion channels.

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Dopamine prevents neuromodulation.
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