A monoamine neurotransmitter believed to play many roles, including but not limited to temperature regulation, sensory perception, and the onset of sleep....
Substances that trigger communication after the actions of neurotransmitters at their receptors have been completed. Second messengers convey the chemical message of...
A process by which released neurotransmitters are absorbed for later reuse.
A catecholamine neurotransmitter produced both in the brain and in the peripheral nervous system. Norepinephrine is involved in arousal and sleep regulation,...
A chemical released by neurons at a synapse for the purpose of relaying information to other neurons via receptors.
An amino acid neurotransmitter that acts to excite neurons. Glutamate stimulates N-methyl-d-aspartate (NMDA) and alpha-amino-3-hydroxy-5-methylisoxazole-4-propionic acid (AMPA). AMPA receptors have been implicated...
A catecholamine neurotransmitter present in three circuits of the brain: one that regulates movement; a second thought to be important for cognition...