neurotransmitters
Image of the Day: Electrify
Image of the Day: Electrify
Sukanya Charuchandra | Aug 9, 2018
Researchers have identified what makes synapses strong or weak in fruit flies.
Serotonin Involved in a Slug Host’s Response to a Parasite
Serotonin Involved in a Slug Host’s Response to a Parasite
Yao-Hua Law | Mar 12, 2018
Host slugs given Prozac to increase their serotonin levels no longer avoid parasitic nematodes, the same behavior seen in infected slugs.
Image of the Day: Red Alert
Image of the Day: Red Alert
The Scientist Staff | Nov 9, 2017
Researchers unveil the neural basis of alertness in larval zebrafish.   
Kyle Smith Shines a Light on Addiction
Kyle Smith Shines a Light on Addiction
Shawna Williams | Nov 1, 2017
The Dartmouth College professor uses optogenetics to probe the neurological routes of habitual behavior.
Sudden Infant Death Tied to Serotonin
Sudden Infant Death Tied to Serotonin
Kerry Grens | Jul 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. 
Neuron Signaling Persists, Faintly, Even When Key Presynaptic Proteins Are Absent
Neuron Signaling Persists, Faintly, Even When Key Presynaptic Proteins Are Absent
Ben Andrew Henry | Nov 1, 2016
Results from experiments in mice revise a long-held hypothesis that certain protein scaffolds are needed for synaptic activity.
Neurometabolic Disorders Could Contribute to Depression
Neurometabolic Disorders Could Contribute to Depression
Ben Andrew Henry | Nov 1, 2016
Impairments in the production of neurotransmitters may lead to depression in some patients, preliminary results show, opening new avenues for research.
Clues to Lithium’s Mechanism
Clues to Lithium’s Mechanism
Tanya Lewis | Jul 8, 2016
A study in roundworms hints at how the drug may exert therapeutic effects.
Out in the Cold
Out in the Cold
Karen Zusi | Mar 1, 2016
Serotonin’s long-debated role in sleep promotion is temperature-dependent.
Sleep Circuit
Sleep Circuit
Karen Zusi | Mar 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.