News tagged with electrical signals

Related topics: cells , brain , neurons , nerve cells , electrical activity




After 100 years, understanding the electrical role of dendritic spines

It's the least understood organ in the human body: the brain, a massive network of electrically excitable neurons, all communicating with one another via receptors on their tree-like dendrites. Somehow these ...

Neuroscience created Dec 05, 2012 | popularity 4.5 / 5 (2) | comments 2 | with audio podcast

Thought-controlled prosthesis is changing the lives of amputees

The world's first implantable robotic arm controlled by thoughts is being developed by Chalmers researcher Max Ortiz Catalan. The first operations on patients will take place this winter.

Medical research created Nov 28, 2012 | popularity 5 / 5 (1) | comments 0

Researchers find fly receptor neurons able to communicate without synapse connections

(Medical Xpress)—Researchers at Yale University have found that neural receptors in a fly's antenna are able to communicate with one another despite a lack of synaptic connections. They suggest in their ...

Neuroscience created Nov 22, 2012 | popularity 4.7 / 5 (3) | comments 2 | with audio podcast report

Experimental compound improves memory in mice with multiple sclerosis

Johns Hopkins researchers report the successful use of a form of MRI to identify what appears to be a key biochemical marker for cognitive impairment in the brains of people with multiple sclerosis (MS). In follow-up experiments ...

Neuroscience created Nov 19, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Brain's code for visual working memory deciphered in monkeys

The brain holds in mind what has just been seen by synchronizing brain waves in a working memory circuit, an animal study supported by the National Institutes of Health suggests. The more in-sync such electrical ...

Neuroscience created Nov 02, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Routine electrocardiograms predict health risks for patients with atrial fibrillation

Canadian scientists have determined that routine electrocardiogram (ECG) results for patients with atrial fibrillation (AF)—the most common form of irregular heart beat—can help doctors identify those at higher risk of ...

Cardiology created Oct 28, 2012 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Brain waves reveal video game aptitude

Scientists report that they can predict who will improve most on an unfamiliar video game by looking at their brain waves.

Neuroscience created Oct 24, 2012 | popularity 5 / 5 (6) | comments 4 | with audio podcast

Calcium reveals connections between neurons

A team led by MIT neuroscientists has developed a way to monitor how brain cells coordinate with each other to control specific behaviors, such as initiating movement or detecting an odor.

Neuroscience created Oct 17, 2012 | popularity not rated yet | comments 0 | with audio podcast

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.

Medical research created Oct 11, 2012 | popularity 3 / 5 (2) | comments 1 | with audio podcast

New human neurons from adult cells right there in the brain

Researchers have discovered a way to generate new human neurons from another type of adult cell found in our brains. The discovery, reported in the October 5th issue of Cell Stem Cell, a Cell Press publication, is one st ...

Neuroscience created Oct 04, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

New findings on the workings of the inner ear

The sensory cells of the inner ear have tiny hairs called stereocilia that play a critical part in hearing. It has long been known that these stereocilia move sideways back and forth in a wave-like motion when stimulated ...

Medical research created Oct 02, 2012 | popularity not rated yet | comments 0 | with audio podcast

Low vitamin D levels linked to more severe multiple sclerosis symptoms

Low blood levels of vitamin D are associated with an increased number of brain lesions and signs of a more active disease state in people with multiple sclerosis (MS), a new study finds, suggesting a potential link between ...

Neuroscience created Oct 02, 2012 | popularity 1 / 5 (2) | comments 0 | with audio podcast

Retina's thickness may be tied to severity of MS, study suggests

(HealthDay)—Using a high-tech imaging process to measure the thickness of the eye's retina may one day predict the progression of multiple sclerosis, a new study suggests.

Neuroscience created Oct 01, 2012 | popularity not rated yet | comments 0 | with audio podcast

Deafness genetic mutation discovered

Researchers at the University of Cincinnati (UC) and Cincinnati Children's Hospital Medical Center have found a new genetic mutation responsible for deafness and hearing loss associated with Usher syndrome type 1.

Genetics created Sep 30, 2012 | popularity 1 / 5 (1) | comments 0 | with audio podcast

US approves less-invasive heart defibrillator

(AP)—The U.S. Food and Drug Administration says it has approved a first-of-a-kind heart-zapping implant from Boston Scientific that that does not directly touch the heart.

Cardiology created Sep 29, 2012 | popularity not rated yet | comments 0