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 ...

Technology / Engineering

created Jan 30, 2012 | popularity 5 / 5 (4) | comments 0

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

created Jan 09, 2012 | popularity not rated yet | comments 0

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

created Jan 06, 2012 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast

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

created Dec 21, 2011 | popularity 4.7 / 5 (7) | comments 1 | with audio podcast

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 ...

Nanotechnology / Nanophysics

created Dec 01, 2011 | popularity 5 / 5 (5) | comments 0 | with audio podcast

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 ...

Medicine & Health / Research

created Nov 21, 2011 | popularity not rated yet | comments 0 | with audio podcast

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

created Nov 18, 2011 | popularity 5 / 5 (2) | comments 2 | with audio podcast

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

created Nov 16, 2011 | popularity 4.3 / 5 (6) | comments 2 | with audio podcast

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.

Physics / Plasma Physics

created Nov 08, 2011 | popularity 3.9 / 5 (43) | comments 17 | with audio podcast

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 ...

Medicine & Health / Research

created Oct 26, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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

created Oct 19, 2011 | popularity not rated yet | comments 0

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. ...

Biology / Plants & Animals

created Oct 19, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

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

created Oct 17, 2011 | popularity 4 / 5 (6) | comments 1 | with audio podcast

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 ...

Medicine & Health / Diseases

created Oct 06, 2011 | popularity 4 / 5 (1) | comments 0

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.

Biology / Other

created Sep 20, 2011 | popularity 5 / 5 (1) | comments 0