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Host slugs given Prozac to increase their serotonin levels no longer avoid parasitic nematodes, the same behavior seen in infected slugs.

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image: Image of the Day: Red Alert

Image of the Day: Red Alert

By The Scientist Staff | November 9, 2017

Researchers unveil the neural basis of alertness in larval zebrafish.   

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image: Kyle Smith Shines a Light on Addiction

Kyle Smith Shines a Light on Addiction

By Shawna Williams | November 1, 2017

The Dartmouth College professor uses optogenetics to probe the neurological routes of habitual behavior.

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image: Sudden Infant Death Tied to Serotonin

Sudden Infant Death Tied to Serotonin

By Kerry Grens | July 3, 2017

One-third of babies who died of SIDS had higher-than-normal levels of the neurotransmitter in their blood serum, according to a study. 

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image: Neurometabolic Disorders Could Contribute to Depression

Neurometabolic Disorders Could Contribute to Depression

By Ben Andrew Henry | November 1, 2016

Impairments in the production of neurotransmitters may lead to depression in some patients, preliminary results show, opening new avenues for research.

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Results from experiments in mice revise a long-held hypothesis that certain protein scaffolds are needed for synaptic activity.

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image: Clues to Lithium’s Mechanism

Clues to Lithium’s Mechanism

By Tanya Lewis | July 8, 2016

A study in roundworms hints at how the drug may exert therapeutic effects.

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image: Out in the Cold

Out in the Cold

By Karen Zusi | March 1, 2016

Serotonin’s long-debated role in sleep promotion is temperature-dependent.

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image: Sleep Circuit

Sleep Circuit

By Karen Zusi | March 1, 2016

A web of cell types in one of the brain’s chief wake centers keeps animals up—but also puts them to sleep.

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image: Circuit Dynamo

Circuit Dynamo

By Anna Azvolinsky | October 1, 2015

Eve Marder’s quest to understand neurotransmitter signaling is more than 40 years old and still going strong.

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