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Fish can recognize a face based on UV pattern aloneFish can recognize a face based on UV pattern alone

Ancient DNA from rare fossil reveals that polar bears evolved recently and adapted quicklyAncient DNA from rare fossil reveals that polar bears evolved recently and adapted quickly

'Anaconda' meets 'Jurassic Park': Study shows ancient snakes ate dinosaur babies'Anaconda' meets 'Jurassic Park': Study shows ancient snakes ate dinosaur babies

Scientists locate apparent hydrothermal vents off AntarcticaScientists locate apparent hydrothermal vents off Antarctica

Mars Express heading for closest flyby of PhobosMars Express heading for closest flyby of Phobos

Artificial bee silk a big step closer to realityArtificial bee silk a big step closer to reality

Predicting the fate of stem cellsPredicting the fate of stem cells

Artificial foot recycles energy for easier walkingArtificial foot recycles energy for easier walking

New fiber nanogenerators could lead to electric clothingNew fiber nanogenerators could lead to electric clothing

What drives our genes? Researchers map the first complete human epigenomeWhat drives our genes? Researchers map the first complete human epigenome

Tracking down the human 'odorprint'Tracking down the human 'odorprint'

Fill 'er up - with algaeFill 'er up - with algae

Scientists discover quantum fingerprints of chaosScientists discover quantum fingerprints of chaos

Researchers help identify cows that gain more while eating lessResearchers help identify cows that gain more while eating less

All Articles Tagged As: serotonin

Melatonin precursor stimulates growth factor circuits in brain (2/8/2010)

N-acetylserotonin, the immediate precursor to melatonin, activates the same growth circuits in the brain as BDNF (brain-derived neurotrophic factor). The results have implications for how some antidepressants function and suggest that the molecules and pathways involved in mood regulation and circadian rhythms are intertwined. ...> Full Article



Researchers find new actions of neurochemicals (7/4/2009)

Researchers find new actions of neurochemicalsAlthough the tiny roundworm Caenorhabditis elegans has only 302 neurons in its entire nervous system, studies of this simple animal have significantly advanced our understanding of human brain function because it shares many genes and neurochemical signaling molecules with humans. Now MIT researchers have found novel C. elegans neurochemical receptors, the discovery of which could lead to new therapeutic targets for psychiatric disorders if similar receptors are found in humans. ...> Full Article


Fluctuations in serotonin transport may explain winter blues (9/12/2008)

Researchers have discovered greater levels of serotonin transporter in the brain in winter than in summer. These findings have important implications for understanding seasonal mood change in healthy people, vulnerability to seasonal affective disorders and the relationship of light exposure to mood. ...> Full Article



Serotonin as a key regulator of fear memory (8/31/2008)

Serotonin as a key regulator of fear memoryResearchers have shown that mice lacking serotonin are less anxious compared to control animals but retain fearful memories for much longer time. ...> Full Article


Researcher Discovers Brain Serotonin System Controls Maternal Behavior (8/21/2008)

Findings have potential link to post-partum depression ...> Full Article


Spiritual effects of hallucinogens persist (7/7/2008)

Related report gives safety guidelines for hallucinogen research ...> Full Article


Serotonin may affect our sense of fairness, scientists report (6/8/2008)

The neurotransmitter serotonin, which acts as a chemical messenger between nerve cells, plays a critical role in regulating emotions such as aggression during social decision-making ...> Full Article


New research explores role of serotonin in decision-making behaviour (6/6/2008)

Findings provide insight into clinical disorders characterised by low serotonin level, such as depression, obsessive compulsive disorder and severe anxiety ...> Full Article


Are Anxiety Disorders All in the Mind? (5/13/2008)

Researchers Find Link Between Altered Dopamine Activity and Social Anxiety Disorder ...> Full Article


Brain studies reveal big differences among individuals (5/11/2008)

Scans show depressed people have fewer serotonin and opioid receptors, and that variation is linked to symptoms and treatment response ...> Full Article


Researchers may have found test for depression (3/16/2008)

A new discovery could change future diagnosis and therapy of depression ...> Full Article


Mother-daughter conflict, low serotonin level may be deadly combination (3/11/2008)

A combination of negative mother-daughter relationships and low blood levels of serotonin, an important brain chemical for mood stability, may be lethal for adolescent girls, leaving them vulnerable to engage in self-harming behaviors such as cutting themselves. ...> Full Article


Tomorrow's Antidepressants: Skip the Serotonin Boost? (2/22/2008)

New research adds to evidence of potentially better molecular targets in the brain to treat depression and other mental disorders ...> Full Article


Sex Differences In The Brain's Serotonin System (2/19/2008)

Sex Differences In The Brain's Serotonin SystemA new thesis from he Swedish medical university Karolinska Institutet shows that the brain's serotonin system differs between men and women. The scientists who conducted the study think that they have found one of the reasons why depression and chronic anxiety are more common in women than in men. ...> Full Article


Depressed Mice Reveal Critical Chemical Pathway for Treatment (2/3/2008)

Blocking production of a single enzyme alleviates symptoms of depression and anxiety in mice that have low serotonin levels, Duke University Medical Center researchers have found. ...> Full Article

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New Articles
Flexing your marathon muscles at workFlexing your marathon muscles at work

Crowded houses: Why our peripheral vision may not be as random as we thinkCrowded houses: Why our peripheral vision may not be as random as we think

Scientists shed new light on how retina's hardware is used in color visionScientists shed new light on how retina's hardware is used in color vision

How the demons of dementia possess and damage brain cellsHow the demons of dementia possess and damage brain cells

Ritalin boosts learning by increasing brain plasticityRitalin boosts learning by increasing brain plasticity

Which came first: Religion or the brain?Which came first: Religion or the brain?

Research: How you think about your age may affect how you age

Learning keeps brain healthy, researchers find

Two-faced testosterone can make you nasty or niceTwo-faced testosterone can make you nasty or nice

Study:  People sometimes less trusting when in a good moodStudy: People sometimes less trusting when in a good mood

Don't make that face at me!

Critical brain chemical shown to play role in severe depressionCritical brain chemical shown to play role in severe depression

Study proves conclusively that violent video game play makes more aggressive kidsStudy proves conclusively that violent video game play makes more aggressive kids

Brain scans could be marketing tool of the futureBrain scans could be marketing tool of the future

Intense war news reduces ability to remember ads



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