News tagged with neurotransmitter serotonin
Getting a grip on sleep
All mammals sleep, as do birds and some insects. However, how this basic function is regulated by the brain remains unclear. According to a new study by researchers from the RIKEN Brain Science Institute, ...
Neuroscience
May 14, 2013 |
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Why your brain tires when exercising
A marathon runner approaches the finishing line, but suddenly the sweaty athlete collapses to the ground. Everyone probably assumes that this is because he has expended all energy in his muscles. What few people know is that ...
Neuroscience
Mar 04, 2013 |
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Neurotransmitter serotonin shown to link sleep–wake cycles with the body's natural 24-hour cycle
Almost all animals have a hard-wired 'body-clock' that controls biological function in cycles of approximately 24 hours. This is known as the circadian rhythm and, in mammals, it is controlled by signaling ...
Neuroscience
Feb 22, 2013 |
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Preventing suicide: A critical next step
Doctors may in the future be able to take a blood test to determine if a patient is suicidal, hopefully decreasing the number of people taking their own lives.
Psychology & Psychiatry
Feb 20, 2013 |
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Scientists revisit biochemical basis for depression
Symptoms of depression and anxiety can be induced in mice by increasing levels of acetylcholine, suggesting that depression may have different biochemical roots than previously believed, Yale School of Medicine ...
Medical research
Feb 12, 2013 |
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Group Therapy: New approach to psychosis treatment could target multiple nervous system receptors
Antipsychotic drugs, used in the treatment of psychotic disorders involving severe delusions and hallucinations, have been studied for more than 70 years. Currently available antipsychotic drugs, however, only alleviate certain ...
Psychology & Psychiatry
Feb 01, 2013 |
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'Disgusted' rats teaching scientists about nausea, work may lead to new cancer treatments
Nausea is a common and distressing side effect of many drugs and treatments. Unlike vomiting, nausea is not well understood, but new research by University of Guelph scientists may soon change that.
Neuroscience
Oct 05, 2012 |
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Studies seek better understanding and treatment of depression
Connecting the dots between two molecules whose levels are decreased in depression and increased by current antidepressants could yield new therapies, researchers say.
Psychology & Psychiatry
Aug 14, 2012 |
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Probing the roots of depression by tracking serotonin regulation at a new level
In a process akin to belling an infinitesimal cat, scientists have managed to tag a protein that regulates the neurotransmitter serotonin with tiny fluorescent beads, allowing them to track the movements of ...
Neuroscience
Jun 28, 2012 |
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Molecular imaging finds link between low dopamine levels and aggression
Out of control competitive aggression could be a result of a lagging neurotransmitter called dopamine, say researchers presenting a study at the Society of Nuclear Medicine's 2012 Annual Meeting. During a computer game against ...
Psychology & Psychiatry
Jun 11, 2012 |
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Yeast cell reaction to Zoloft suggests depression cause, drug target beyond serotonin
Princeton University researchers have observed a self-degradation response to the antidepressant Zoloft in yeast cells that could help provide new answers to lingering questions among scientists about how ...
Medical research
Apr 18, 2012 |
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Serotonin could play a large role in bone loss
Scientists have long known that calcium leaches from the bones both during lactation and in certain types of cancer. The driver behind these phenomena is a molecule called parathyroid hormone related protein (PTHrP), which ...
Medical research
Feb 21, 2012 |
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