News tagged with electric charges


Researchers reveal new more precise method of performing electroconvulsive therapy

Electroconvulsive therapy (ECT) is the most effective acute treatment for severe major depression. However, even with newer forms of ECT, there remains a significant risk of adverse cognitive effects, particularly memory ...

Psychology & Psychiatry created May 06, 2013 | popularity not rated yet | comments 0

Bioelectric signals can be used to detect early cancer

Biologists at Tufts University School of Arts and Sciences have discovered a bioelectric signal that can identify cells that are likely to develop into tumors. The researchers also found that they could lower ...

Medical research created Feb 01, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Model for brain signaling flawed, new study finds

A new study out today in the journal Science turns two decades of understanding about how brain cells communicate on its head. The study demonstrates that the tripartite synapse – a model long accepted by the ...

Neuroscience created Jan 10, 2013 | popularity 4.5 / 5 (14) | comments 11 | with audio podcast

In US first, Johns Hopkins surgeons implant brain 'pacemaker' for Alzheimer's disease

Researchers at Johns Hopkins Medicine in November surgically implanted a pacemaker-like device into the brain of a patient in the early stages of Alzheimer's disease, the first such operation in the United States. The device, ...

Neuroscience created Dec 05, 2012 | popularity not rated yet | comments 0 | with audio podcast

A better brain implant: Slim electrode cozies up to single neurons

(Medical Xpress)—A thin, flexible electrode developed at the University of Michigan is 10 times smaller than the nearest competition and could make long-term measurements of neural activity practical at ...

Neuroscience created Nov 11, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

New device could allow your heartbeat to power pacemaker

An experimental device converted energy from a beating heart to provide enough electricity to power a pacemaker, in a study presented at the American Heart Association's Scientific Sessions 2012.

Cardiology created Nov 04, 2012 | popularity 5 / 5 (1) | comments 0

Study: Blocked ionic channels prevent cellular development, cause birth defects

(Medical Xpress)—The cellular cause of birth defects like cleft palates, missing teeth and problems with fingers and toes has been a tricky puzzle for scientists.

Medical research created Sep 11, 2012 | popularity not rated yet | comments 0 | with audio podcast

Brain's stem cells 'eavesdrop' to find out when to act

Working with mice, Johns Hopkins researchers say they have figured out how stem cells found in a part of the brain responsible for learning, memory and mood regulation decide to remain dormant or create new ...

Medical research created Aug 06, 2012 | popularity 5 / 5 (2) | comments 2 | with audio podcast

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 ...

Neuroscience created Jul 11, 2012 | popularity 3.3 / 5 (3) | comments 0 | with audio podcast

Study suggests Tasers don't cause cardiac complications

Taser shots to the chest are no more dangerous than those delivered to other body locations, according to a new study by one of the country's leading experts on the devices.

Cardiology created Jun 28, 2012 | popularity not rated yet | comments 0

Use of stun guns increases injuries

The police use of stun guns increases the risk of injuries for those on the receiving end, but tends to increase officer safety, according to the most comprehensive study of such devices to date.

Health created May 29, 2012 | popularity not rated yet | comments 0