Neuroscience
Histamine could be a key player in depression, according to study in mice
Bodily inflammation dampens levels of a "feel-good molecule" and antidepressants' ability to boost them, according to new research in mice.
Aug 17, 2021
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990
News tagged with serotonin
Psychology & Psychiatry
Eating for hunger or pleasure? Regulating these feeding behaviors involves different brain circuits
Many times we eat, not because we are hungry, but because of social pressures or because the food is so appetizing, that, even though we are full, we just want another bite.
Jul 27, 2021
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538
Psychology & Psychiatry
Serotonin transporters increase when depression fades, study shows
Low levels of serotonin in the brain are seen as a possible cause of depression and many antidepressants act by blocking a protein that transports serotonin away from the nerve cells. A brain imaging study at Karolinska Institutet ...
May 10, 2021
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273
Neuroscience
AI-designed serotonin sensor may help scientists study sleep and mental health
Serotonin is a neurochemical that plays a critical role in the way the brain controls our thoughts and feelings. For example, many antidepressants are designed to alter serotonin signals sent between neurons. In an article ...
Dec 23, 2020
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96
Psychology & Psychiatry
New use for an old drug: How does ketamine combat depression?
A group of proteins called 4E-BPs, involved in memory formation, is the key to unlocking the antidepressant effect of ketamine in the brain, according to researchers from three Canadian universities. The discovery could lead ...
Dec 16, 2020
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152
Neuroscience
Scientists reveal regions of the brain where serotonin promotes patience
We've all been there. Whether we're stuck in traffic at the end of a long day, or eagerly anticipating the release of a new book, film or album, there are times when we need to be patient. Learning to suppress the impulse ...
Nov 27, 2020
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627
Medical research
Gut microbes: The key to normal sleep
With fall and winter holidays coming up, many will be pondering the relationship between food and sleep. Researchers led by Professor Masashi Yanagisawa at the University of Tsukuba in Japan hope they can focus people on ...
Nov 27, 2020
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530
Psychology & Psychiatry
Happiness and the evolution of brain size
During human evolution, the size of the brain increased, especially in a particular part called the neocortex. The neocortex enables us to speak, dream and think. In search of the causes underlying neocortex expansion, researchers ...
Oct 23, 2020
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165
Psychology & Psychiatry
Increasing sleep time after trauma could ease ill effects, study finds
Increasing the amount of time spent asleep immediately after a traumatic experience may ease any negative consequences, suggests a new study conducted by researchers at Washington State University's Elson S. Floyd College ...
Oct 22, 2020
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77
Neuroscience
Scientists find neurochemicals have unexpectedly profound roles in the human brain
In first-of-their-kind observations in the human brain, an international team of researchers has revealed two well-known neurochemicals—dopamine and serotonin—are at work at sub-second speeds to shape how people perceive ...
Oct 12, 2020
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