News tagged with brain mechanism
Related topics: brain
Japanese honeybees swarm huge hornet predator to kill it with heat
Japanese honeybees face a formidable foe in the Asian giant hornet, a fierce predator that can reach 40mm long or larger, but the bees have developed a novel defense mechanism: they create a "hot defensive bee ball," swarming ...
Mar 14, 2012 |
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Immortal worms defy aging
Researchers from The University of Nottingham have demonstrated how a species of flatworm overcomes the ageing process to be potentially immortal.
Feb 27, 2012 |
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Toxins from diseased brain cells make diseases of the brain even worse
Sometimes our immune defence attacks our own cells. When this happens in the brain we see neurodegenerative diseases such as dementia, Alzheimer's and Parkinson's disease. But if the the immune defence is inhibited, the results ...
Feb 22, 2012 |
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Autistic mice act a lot like human patients
UCLA scientists have created a mouse model for autism that opens a window into the biological mechanisms that underlie the disease and offers a promising way to test new treatment approaches.
Sep 29, 2011 |
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Realistic simulation of ion flux through membrane sheds light on antibiotic resistance
As the gatekeepers of ion flow through cell membranes, ion channels are of key interest in numerous cellular processes. Now, a new study describes an innovative new computational model that realistically simulates the complex ...
Aug 16, 2011 |
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New model of whiskers provides insight into sense of touch
Researchers at Northwestern University have developed a model that will allow them to simulate how rats use their whiskers to sense objects around them. The model enables further research that may provide insight into the ...
Apr 07, 2011 |
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Why some children are harmed by mother's alcohol, but others aren't
Exposure to alcohol in the womb doesn't affect all fetuses equally. Why does one woman who drinks alcohol during pregnancy give birth to a child with physical, behavioral or learning problems -- known as fetal alcohol spectrum ...
Medicine & Health / Medical research
Mar 23, 2011 |
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Hydrocortisone therapy for trauma patients associated with reduced hospital-acquired pneumonia risk
Patients admitted to a hospital with major trauma and treated with the steroid hydrocortisone were less likely to be diagnosed with hospital-acquired pneumonia than patients who received placebo, according to a study in the ...
Medicine & Health / Diseases, Conditions, Syndromes
Mar 22, 2011 |
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Researchers discover molecular determinant of cell identity
If a big bunch of your brain cells suddenly went rogue and decided to become fat cells, it could cloud your decision-making capacity a bit. Fortunately, early in an organism's development, cells make firm and more-or-less ...
Mar 21, 2011 |
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Single gene defect causes brain tumor
Pilocytic astrocytoma, the most common brain tumor in children, is usually slow-growing and benign. However, surgeons often cannot completely remove the diffusely growing tumor. This means that patients need ...
Mar 14, 2011 |
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Cell-phone use not related to increased brain cancer risk in new study
Radio frequency exposure from cell phone use does not appear to increase the risk of developing brain cancers by any significant amount, a study by University of Manchester scientists suggests.
Feb 17, 2011 |
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Treatment for manic-depressive illness restores brain volume deficits
Lithium, introduced in the late 1940's, was the first "wonder drug" in psychiatry. It was the first medication treatment for the manic and depressive episodes of bipolar disorder and it remains among one of the most effective ...
Medicine & Health / Psychology & Psychiatry
Feb 16, 2011 |
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Neural mechanisms linked with vulnerability to anxiety
New research examines the anxious brain during a fear conditioning task and provides insight into why some individuals may be more or less prone to anxiety disorders. The study, published by Cell Press in the February 10 ...
Medicine & Health / Neuroscience
Feb 09, 2011 |
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Scientific research reveals brain alterations linking omega 3 deficit with depression
The link between deficits of omega-3 poly-unsaturated fatty acids (AGPO-3) and the onset of depressive disorders is not new in the medical field. However, what has not been known until now is the brain mechanism by which ...
Medicine & Health / Neuroscience
Feb 04, 2011 |
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Malaria medication may help against one type of frontotemporal dementia
Frontotemporal dementia is caused by a breakdown of nerve cells in the frontal and temporal region of the brain (fronto-temporal lobe), which leads to, among other symptoms, a change in personality and behavior. The cause ...
Medicine & Health / Neuroscience
Feb 02, 2011 |
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