Medical research
Nerve signal discovery backs Nobel winner's theory
Scientists have proved a 60-year-old theory about how nerve signals are sent around the body at varying speeds as electrical impulses.
Oct 11, 2012
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Page 16 - News tagged with electrical impulse
Neuroscience
Learning requires rhythmical activity of neurons
The hippocampus represents an important brain structure for learning. Scientists at the Max Planck Institute of Psychiatry in Munich discovered how it filters electrical neuronal signals through an input and output control, ...
Sep 26, 2012
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Neuroscience
Chronic pain and shaking under control using 'pacemaker for the brain'
How does electrical stimulation affect the brain? A project by Aalto University and the University of Helsinki, launched in early 2012, studies the impact mechanism of deep brain stimulation and develops electrochemical sensors ...
Sep 21, 2012
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Ophthalmology
Australians implant 'world first' bionic eye
Australian scientists said Thursday they had successfully implanted a "world first" bionic eye prototype, describing it as a major breakthrough for the visually impaired.
Aug 30, 2012
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Neuroscience
Concussions and head impacts may accelerate brain aging
Concussions and even lesser head impacts may speed up the brain's natural aging process by causing signaling pathways in the brain to break down more quickly than they would in someone who has never suffered a brain injury ...
Jul 31, 2012
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Cardiology
Fine tuning cardiac ablation could lead to quicker results for patients with arrhythmias
University of Michigan heart researchers are shedding light on a safer method for steadying an abnormal heart rhythm that prevents collateral damage to healthy cells.
Jul 24, 2012
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Medical research
Neurons derived from cord blood cells may represent new therapeutic option
For more than 20 years, doctors have been using cells from blood that remains in the placenta and umbilical cord after childbirth to treat a variety of illnesses, from cancer and immune disorders to blood and metabolic diseases.
Jul 16, 2012
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Neuroscience
Oligodendroglia cells protect neurons against neurodegeneration
(Medical Xpress) -- Johns Hopkins researchers say they have discovered that the central nervous system's oligodendroglia cells, long believed to simply insulate nerves as they "fire" signals, are unexpectedly also vital to ...
Jul 11, 2012
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Neuroscience
Tiny magnetic coils modulate neural activity, may be safer for deep-brain implants
Magnetic fields generated by microscopic devices implanted into the brain may be able to modulate brain-cell activity and reduce symptoms of several neurological disorders. Micromagnetic stimulation appears to generate the ...
Jun 26, 2012
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Neuroscience
'Brain pacemaker' effective for years against Parkinson's disease
A "brain pacemaker" called deep brain stimulation (DBS) remains an effective treatment for Parkinson's disease for at least three years, according to a study in the June 2012 online issue of Neurology, the medical journal ...
Jun 20, 2012
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