News tagged with electrical impulses
Electronic tattoo monitors brain, heart and muscles (w/ video)
Imagine if there were electronics able to prevent epileptic seizures before they happen. Or electronics that could be placed on the surface of a beating heart to monitor its functions. The problem is that ...
Jan 30, 2012 |
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9-1-1 dispatchers can save more lives by coaching bystanders in CPR
More people will survive sudden cardiac arrest when 9-1-1 dispatchers help bystanders assess victims and begin CPR immediately, according to a new American Heart Association scientific statement published in Circulation: Jo ...
Medicine & Health / Cardiology
Jan 09, 2012 |
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Scientists map the frontiers of vision
There's a 3-D world in our brains. It's a landscape that mimics the outside world, where the objects we see exist as collections of neural circuits and electrical impulses.
Medicine & Health / Neuroscience
Jan 06, 2012 |
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Hold that thought? Scientists find sensor that may explain working memory
(Medical Xpress) -- In many cases, a delay occurs between the time you are presented information and the time you respond with an action or decision. Most of us call it a thought, while some scientists call it working memory.
Medicine & Health / Neuroscience
Dec 21, 2011 |
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Shine a light instead of changing the battery
(PhysOrg.com) -- Pacemakers and other implanted medical devices require electric current to operate. Changing the battery requires an additional operation, which is an added stress on the patient. A Japanese team led by Eijiro ...
Dec 01, 2011 |
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Improved method of electrical stimulation could help treat damaged nerves
Functional electrical stimulation (FES) was developed to help return lost function to patients with upper and lower extremity injuries and spinal cord injuries, among other applications. However, the devices, which work by ...
Nov 21, 2011 |
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Scientists harness the power of electricity in the brain
(Medical Xpress) -- A paralyzed patient may someday be able to "think" a foot into flexing or a leg into moving, using technology that harnesses the power of electricity in the brain, and scientists at University of Michigan ...
Medicine & Health / Neuroscience
Nov 18, 2011 |
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3 p.m. slump? Why a sugar rush may not be the answer
(Medical Xpress) -- A new study has found that protein and not sugar activates the cells responsible for keeping us awake and burning calories. The research, published in the 17 November issue of the scientific ...
Medicine & Health / Neuroscience
Nov 16, 2011 |
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High-voltage engineers create nearly 200-foot-long electrical arcs using less energy than before (Update)
Photos taken by the researchers show plasma arcs up to 60 meters long casting an eerie blue glow over buildings and trees at the High Voltage Laboratory at the University of Canterbury in New Zealand.
Nov 08, 2011 |
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Study finds new pathway critical to heart arrhythmia
University of Maryland School of Medicine researchers have uncovered a previously unknown molecular pathway that is critical to understanding cardiac arrhythmia and other heart muscle problems. Understanding the basic science ...
Oct 26, 2011 |
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Next-generation brain stimulation may improve treatment of Parkinson's disease
Parkinson's disease (PD) is a devastating and incurable disease that causes abnormal poverty of movement, involuntary tremor, and lack of coordination. A technique called deep brain stimulation (DBS) is sometimes used to ...
Medicine & Health / Neuroscience
Oct 19, 2011 |
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Explanation for glowing seas suggested
It has long been known that distinctive blue flashes -- a type of bioluminescence -- that are visible at night in some marine environments are caused by tiny, unicellular plankton known as dinoflagellates. ...
Oct 19, 2011 |
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Protecting the brain when energy runs low
Researchers from the Universities of Leeds, Edinburgh and Dundee have shed new light on the way that the brain protects itself from harm when 'running on empty.'
Medicine & Health / Neuroscience
Oct 17, 2011 |
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The Medical Minute: Atrial Fibrillation -- What is It?
Atrial fibrillation (AF) is the most common heart rhythm disturbance in the United States and affects 2 to 4 million Americans. It is usually a disease of aging, however it can affect people of all ages -- 1 percent of people ...
Oct 06, 2011 |
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Researchers identify signals triggering dendrite growth
A study in worms that are less than a millimetre long has yielded clues that may be important for understanding how nerves grow.
Sep 20, 2011 |
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