Serotonin, also known as 5-hydroxytryptamine (5-HT), is a hormone and neurotransmitter.
It is found in many tissues, including blood platelets, intestinal mucosa, the pineal body, and the central nervous system.
It has many physiologic properties including inhibition of gastric secretion, stimulation of smooth muscles, and production of vasoconstriction.
Some people think that some psychoactive drugs, including some antidepressants and some antipsychotics, work by increasing the amount of serotonin in the brain.
This glossary is designed to explain some of the jargon and gobbledygook used by some people when they talk about autism or research..
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The fact that an intervention is listed in this glossary does not necessarily mean that we agree with its use. Nor does it necessarily mean that there is any scientifically valid or reliable evidence behind it.