News tagged with receptor neurons
Researchers identify dominant chemical that attracts mosquitoes to humans
Scientists at the University of California, Davis, have identified the dominant odor naturally produced in humans and birds that attracts the blood-feeding Culex mosquitoes, which transmit West Nile virus ...
Oct 26, 2009 |
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A change of mind: One protein appears to control neurons' ability to react to new experiences
(PhysOrg.com) -- Plasticity -- the brain's ability to change in response to external input -- is critical for most cognitive functions, including learning and memory. Those changes usually involve a strengthening ...
Medicine & Health / Neuroscience
Mar 24, 2010 |
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Testosterone directly amplifies but does not program male behaviors
New research uncovers some surprising information about how sex hormones control masculinization of the brain during development and drive gender related behaviors in adult males. The study, published by Cell Press in the ...
Medicine & Health / Neuroscience
Apr 28, 2010 |
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This is your brain on fatty acids
Saturated fats have a deservedly bad reputation, but Johns Hopkins scientists have discovered that a sticky lipid occurring naturally at high levels in the brain may help us memorize grandma's recipe for cinnamon buns, as ...
Medicine & Health / Neuroscience
Oct 30, 2009 |
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Matrix fragments trigger fatal excitement
Shredded extracellular matrix (ECM) is toxic to neurons. Chen et al. reveal a new mechanism for how ECM demolition causes brain damage. The study will appear in the December 29, 2008 issue of The Journal of ...
Biology /
Dec 29, 2008 |
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The brain knows what the nose smells, but how? Researchers trace the answer
(PhysOrg.com) -- Professor of Biology Liqun Luo has developed a new technique to trace neural pathways across the brain. He has mapped the path of odor signals as they travel to the higher centers of a mouse ...
Medicine & Health / Neuroscience
Feb 02, 2011 |
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Understanding the brain's natural foil for over-excited neurons
Glutamate is to the brain like coffee is to our bodies. A cup of Joe in the morning can wake us, but overloading on caffeine causes the stimulant to work against us.
Medicine & Health / Neuroscience
Oct 19, 2009 |
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Capturing the birth of a synapse
Researchers have identified the locking mechanism that allows some neurons to form synapses to pass along essential information. Mutations of genes that produce a critical cell-adhesion molecule involved in ...
Medicine & Health / Neuroscience
May 27, 2009 |
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Airway cells use 'tasting' mechanism to detect and clear harmful substances
The same mechanism that helps you detect bad-tasting and potentially poisonous foods may also play a role in protecting your airway from harmful substances, according to a study by scientists at the University ...
Medicine & Health / Medical research
Jul 24, 2009 |
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Scientists find emotion-like behaviors, regulated by dopamine, in fruit flies
Scientists at the California Institute of Technology have uncovered evidence of a primitive emotion-like behavior in the fruit fly, Drosophila melanogaster. Their findings, which may be relevant to the relationship betwee ...
Medicine & Health / Neuroscience
Nov 25, 2009 |
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Scientists discover how chemical repellants trip up insects
Fire up the citronella-scented tiki torches, and slather on the DEET: Everybody knows these simple precautions repel insects, notably mosquitoes, whose bites not only itch and irritate, but also transmit diseases such as ...
Aug 25, 2010 |
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Phasic firing of dopamine neurons is key to brain's prediction of rewards
Researchers are one step closer to understanding the neurobiology that allows people to successfully learn motivated behaviors by associating environmental cues with rewarding outcomes, according to a study published yesterday ...
Medicine & Health / Neuroscience
Apr 03, 2009 |
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Surplus of serotonin receptors may explain failure of antidepressants in some patients
An excess of one type of serotonin receptor in the center of the brain may explain why antidepressants fail to relieve symptoms of depression for 50 percent of patients, a new study from researchers at Columbia University ...
Medicine & Health / Neuroscience
Jan 13, 2010 |
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Scientists glimpse dance of skeletons inside neurons
Scientists at Emory University School of Medicine have uncovered how a structural component inside neurons performs two coordinated dance moves when the connections between neurons are strengthened.
Medicine & Health / Neuroscience
Sep 13, 2010 |
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Targeting nicotine receptors to treat cognitive impairments in schizophrenia
Smoking is a common problem for patients with schizophrenia. The increased tendency of patients diagnosed with this disorder is to not only smoke, but to do so more heavily than the general public. This raises the possibility ...
Medicine & Health / Psychology & Psychiatry
Jan 11, 2011 |
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