News tagged with electrical activity

Related topics: brain , neurons , electrical signals , brain cells , heart




Alcohol may trigger serious palpitations in heart patients

The term "holiday heart syndrome" was coined in a 1978 study to describe patients with atrial fibrillation who experienced a common and potentially dangerous form of heart palpitation after excessive drinking, which can be ...

Cardiology created Jun 01, 2012 | popularity 4 / 5 (1) | comments 0 | with audio podcast

The music of the (hemi)spheres sheds new light on schizophrenia

In 1619, the pioneering astronomer Johannes Kepler published Harmonices Mundi in which he analyzed data on the movement of planets and asserted that the laws of nature governing the movements of planets show features of harmonic ...

Neuroscience created May 09, 2012 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Deep brain stimulation may hold promise for mild Alzheimer's disease

A study on a handful of people with suspected mild Alzheimer's disease (AD) suggests that a device that sends continuous electrical impulses to specific "memory" regions of the brain appears to increase neuronal activity. ...

Neuroscience created May 07, 2012 | popularity 3 / 5 (1) | comments 0 | with audio podcast

Scientists identify mechanism that could contribute to problems in Alzheimer's

Scientists at the Gladstone Institutes have unraveled a process by which depletion of a specific protein in the brain contributes to the memory problems associated with Alzheimer's disease. These findings provide new insights ...

Alzheimer's disease & dementia created Apr 26, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Brain cell changes may cause sleep troubles in aging

Older animals show cellular changes in the brain "clock" that sets sleep and wakeful periods, according to new research in the April 25 issue of The Journal of Neuroscience. The findings may help explain why elderly people ...

Neuroscience created Apr 24, 2012 | popularity not rated yet | comments 0 | with audio podcast

Electrocardiography can predict heart attacks in healthy older adults

Can a simple diagnostic test used to measure a heart's electrical activity help predict heart attacks? And can that knowledge help doctors reroute their patients away from coronary heart disease?

Cardiology created Apr 10, 2012 | popularity 4 / 5 (3) | comments 0 | with audio podcast

Once considered mainly 'brain glue,' astrocytes' power revealed

A type of cell plentiful in the brain, long considered mainly the stuff that holds the brain together and oft-overlooked by scientists more interested in flashier cells known as neurons, wields more power in the brain than ...

Medical research created Apr 04, 2012 | popularity 4.9 / 5 (9) | comments 0 | with audio podcast

FDA adds more warnings to antidepressant's label

(HealthDay) -- In a follow-up to a warning that high doses of the popular antidepressant Celexa can cause potentially fatal abnormal heart rhythms, the U.S. Food and Drug Administration has issued new dosing ...

Medications created Mar 28, 2012 | popularity not rated yet | comments 0

Small change makes big difference in compliance rates for follow-up stress test after chest pain

Stress tests are an important tool to help diagnose narrowed arteries in people who come to the emergency room (ER) with chest pain, but who are not confirmed as having a heart attack. Scheduling a follow-up exercise stress ...

Cardiology created Mar 26, 2012 | popularity not rated yet | comments 0

Listen to neurons in your own backyard with the SpikerBox

Amateurs have a new tool for conducting simple neuroscience experiments in their own garage: the SpikerBox.

Neuroscience created Mar 21, 2012 | popularity not rated yet | comments 0

EKG testing may spot fatal heart conditions in children

(HealthDay) -- Each year, between one and six of every 100,000 U.S. children are a victim of sudden cardiac death. In many of these cases, underlying, undiagnosed heart trouble is responsible, and a new study ...

Cardiology created Mar 09, 2012 | popularity 5 / 5 (1) | comments 0

Researchers gain new insight into prefrontal cortex activity

The brain has a remarkable ability to learn new cognitive tasks while maintaining previously acquired knowledge about various functions necessary for everyday life. But exactly how new information is incorporated ...

Neuroscience created Mar 05, 2012 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Brain 'hyperconnectivity' linked to depression

People with depression have hyperactive brain activity, according to a study published online Tuesday that offers new insight into the brain dysfunction that causes depression.

Neuroscience created Feb 23, 2012 | popularity 5 / 5 (2) | comments 1

Research links circadian rhythms to sudden cardiac death

A fundamental discovery reported in the March 1st issue of the journal Nature, uncovers the first molecular evidence linking the body's natural circadian rhythms to sudden cardiac death (SCD). Ventricular arrhythmias, or abn ...

Cardiology created Feb 22, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

High doses of 'load' slows loss of bone in spinal cord injury

Loss of bone density leads to brittle bones that fracture easily. It is a major complication of spinal cord injury (SCI), which affects about 250,000 Americans every year.

Health created Feb 16, 2012 | popularity not rated yet | comments 0