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
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The term anhedonia is used to describe the inability to feel pleasure and a disinterest in activities that previously brought positive feelings. This lack of interest and pleasure is a very common symptom of depression, as ...
Depression is a common mental disorder affecting over 300 million people across the world. It's estimated that one in ten people in Australia (10.4%) suffer from depression.
Apr 12, 2019
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People usually have the ability to put aside the desire for immediate gratification in anticipation of something good. But this isn't just a human trait—a new study shows that mice can be patient, too, revealing a link ...
Jun 1, 2018
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Blood samples from infants who died of Sudden Infant Death Syndrome (SIDS) had high levels of serotonin, a chemical that carries signals along and between nerves, according to a study funded in part by the National Institutes ...
Jul 3, 2017
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The widely held belief that depression is due to low levels of serotonin in the brain - and that effective treatments raise these levels - is a myth, argues a leading psychiatrist in The BMJ this week.
Apr 21, 2015
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A team of researchers working at Nanjing Medical University in China, has developed a new antidepressant drug that elicits an antidepressant effect in mice in just two hours. In their paper published in the journal Science, ...
After decades of study, there remains no clear evidence that serotonin levels or serotonin activity are responsible for depression, according to a major review of prior research led by UCL scientists.
Jul 20, 2022
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A new study from the University of Maryland School of Medicine suggests that depression results from a disturbance in the ability of brain cells to communicate with each other. The study indicates a major shift in our understanding ...
Mar 18, 2013
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An international team of researchers has found that blocking serotonin receptors in the brain blocks LSD's mind-altering effects. In their paper published in Proceedings of the National Academy of Sciences, the group describes ...
