From Happiness To Pain: Understanding Serotonin's Function Using Genetics And Optics

Using a combination of genetic and optical techniques, researchers at the Champalimaud Neuroscience Programme have established the effect of serotonin on sensitivity to pain. "Serotonin is a small molecule known to be implicated in a wide range of brain functions, from the control of sleep and appetite, to the regulation of complex emotional behaviours, This neurotransmitter is also popularly thought to contribute to feelings of well being and happiness, as some anti-depression medications work through increasing serotonin in the brain," says Zachary Mainen, CNP director and principal investigator of the Systems Neuroscience Lab. read more

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