In low doses, the anaesthetic drug ketamine has been shown to have a rapid effect on difficult-to-treat depression. Researchers at Karolinska Institutet report that they have identified a key target for the drug: specific ...
Jun 1, 2020
0
204
Selective serotonin reuptake inhibitors, or SSRI's, are popular drugs that treat depression by increasing the amount of a neurotransmitter called serotonin in the brain. But when a common SSRI known as sertraline is taken ...
May 15, 2020
2
356
About one in five Danes are affected by depression at some point in their lives. The severe depressions may be treated with the so-called 'tricyclic antidepressants,' an antidepressant drug that is more effective than the ...
Mar 20, 2020
0
201
In popular experience the story of how serotonin modulates the brain might seem simple: pop an antidepressant, serotonin levels go up, mood improves. But neuroscientists acknowledge how little they know about how the neurotransmitter ...
Feb 20, 2020
0
157
The balance between the neurotransmitters serotonin and dopamine may affect whether a person develops social anxiety disorder. Previous research has mainly focused on either the serotonin or the dopamine system individually. ...
Jan 24, 2020
0
728
Researchers at the University of California, Berkeley, have identified biomarkers —genes and specific brain circuits in mice—associated with a common symptom of depression: lack of motivation.
Oct 28, 2019
2
2116
One of the most common antidepressants, sertraline, leads to an early reduction in anxiety symptoms, commonly found in depression, several weeks before any improvement in depressive symptoms, a UCL-led clinical trial has ...
Sep 19, 2019
1
397
Millions of people around the world experience serious blood sugar problems which can cause diabetes, but a world first study is revealing how gut bacteria impact the normally feel good hormone serotonin to negatively influence ...
Sep 16, 2019
0
2824
A new study in marmoset monkeys suggests that individual variation in genes alters our ability to regulate emotions, providing new insights that could help in the development of personalised therapies to tackle anxiety and ...
Jul 2, 2019
0
0
Serotonin is a multipurpose molecule found throughout the brain, playing a role in memory, cognition, and feelings of happiness and other emotions. In particular, researchers have long debated serotonin's role in sleep: Does ...
Jun 24, 2019
0
0
