Stress Paralyzes Immune Cells
Stress Paralyzes Immune Cells
Scientists show that an influx of noradrenaline can halt immune cells in mice.
Stress Paralyzes Immune Cells
Stress Paralyzes Immune Cells

Scientists show that an influx of noradrenaline can halt immune cells in mice.

Scientists show that an influx of noradrenaline can halt immune cells in mice.

neurotransmitters
Flexible Synapse Strength May Underpin Mammal Brain’s Complexity
Flexible Synapse Strength May Underpin Mammal Brain’s Complexity
Asher Jones | Mar 24, 2021
Neural connections in the mouse neocortex can release multiple packages of neurotransmitters per electrical impulse, a study finds.
Infographic: A New Model of Synapse Strength
Infographic: A New Model of Synapse Strength
Asher Jones | Mar 24, 2021
Synapses in the mouse neocortex can release multiple packages of neurotransmitters, suggesting that connection strength is more flexible than previously thought.
Serotonin and Dopamine Linked to Decision-Making: Study
Serotonin and Dopamine Linked to Decision-Making: Study
Amanda Heidt | Oct 16, 2020
In a first-of-its-kind study, researchers monitored subsecond changes in levels of the neurotransmitters in the human brain, unlocking new insight into their function.
Infographic: The Neurobiology of Suicidal Behavior
Infographic: The Neurobiology of Suicidal Behavior
Catherine Offord | Jan 13, 2020
Clues about the biological mechanisms that contribute to a person’s chance of contemplating or attempting suicide
What Neurobiology Can Tell Us About Suicide
What Neurobiology Can Tell Us About Suicide
Catherine Offord | Jan 13, 2020
The biochemical mechanisms in the brain underlying suicidal behavior are beginning to come to light, and researchers hope they could one day lead to better treatment and prevention strategies.
Serotonin Neurons Implicated in SIDS
Serotonin Neurons Implicated in SIDS
Ashley Yeager | Jan 1, 2019
Inhibiting nerve cells that produce the neurotransmitter made it harder for baby mice to recover from bouts of slowed breathing.
Nicotine’s Effects Passed On Through Generations of Mice
Nicotine’s Effects Passed On Through Generations of Mice
Kerry Grens | Oct 16, 2018
Male rodents exposed to nicotine had changes in sperm genome methylation and produced pups and grandpups with abnormal behavior.
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, 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. 
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.
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.
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.
Circuit Dynamo
Circuit Dynamo
Anna Azvolinsky | Oct 1, 2015
Eve Marder’s quest to understand neurotransmitter signaling is more than 40 years old and still going strong.
An Eye for Detail
An Eye for Detail
Anna Azvolinsky | Oct 1, 2014
Vision researcher John Dowling has spent a lifetime studying the neural architecture of the retina. He is closing his laboratory after 53 years, opting to extend these studies as a postdoc.