News tagged with electrical activity

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




Study indicates reverse impulses clear useless information, prime brain for learning

(Medical Xpress)—When the mind is at rest, the electrical signals by which brain cells communicate appear to travel in reverse, wiping out unimportant information in the process, but sensitizing the cells ...

Neuroscience created Mar 19, 2013 | popularity 4.9 / 5 (9) | comments 2 | with audio podcast

Using human brain cells to make mice smarter

Glial cells – a family of cells found in the human central nervous system and, until recently, considered mere "housekeepers" – now appear to be essential to the unique complexity of the human brain. Scientists reached ...

Medical research created Mar 07, 2013 | popularity 3.7 / 5 (3) | comments 2 | with audio podcast

Even mild traumatic brain injuries can kill brain tissue, study finds

Scientists have watched a mild traumatic brain injury play out in the living brain, prompting swelling that reduces blood flow and connections between neurons to die.

Neuroscience created Mar 07, 2013 | popularity 2 / 5 (1) | comments 0 | with audio podcast

Researchers discover workings of brain's 'GPS system'

Just as a global positioning system (GPS) helps find your location, the brain has an internal system for helping determine the body's location as it moves through its surroundings.

Neuroscience created Mar 07, 2013 | popularity 4 / 5 (2) | comments 1 | with audio podcast

One region, two functions: Brain cells' multitasking key to understanding overall brain function

A region of the brain known to play a key role in visual and spatial processing has a parallel function: sorting visual information into categories, according to a new study by researchers at the University ...

Neuroscience created Mar 06, 2013 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

Changes in patterns of brain activity predict fear memory formation

Psychologists at the University of Amsterdam (UvA) have discovered that changes in patterns of brain activity during fearful experiences predict whether a long-term fear memory is formed. The research results have recently ...

Neuroscience created Mar 04, 2013 | popularity not rated yet | comments 0 | with audio podcast

Brain-to-brain interface allows transmission of tactile and motor information between rats

Researchers have electronically linked the brains of pairs of rats for the first time, enabling them to communicate directly to solve simple behavioral puzzles. A further test of this work successfully linked ...

Neuroscience created Feb 28, 2013 | popularity 4.8 / 5 (36) | comments 10 | with audio podcast

FDA panel backs brain stimulator for epilepsy

(HealthDay News) - A U.S. Food and Drug Administration panel has unanimously backed a device that lowers the rate of seizures among people with epilepsy.

Neuroscience created Feb 25, 2013 | popularity not rated yet | comments 0

Study reveals how people with a severe unexplained psychological illness have abnormal activity in the brain

Psychogenic diseases, formerly known as 'hysterical' illnesses, can have many severe symptoms such as painful cramps or paralysis but without any physical explanation. However, new research from the University of Cambridge ...

Neuroscience created Feb 24, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Fetal heart ECG device breakthrough

Technology developed at The University of Nottingham has been used in a breakthrough study aimed at developing the first comprehensive model of a fully functioning fetal heart.

Cardiology created Feb 22, 2013 | popularity not rated yet | comments 0

FDA panel to consider brain stimulator for epilepsy

(HealthDay News) - A U.S. Food and Drug Administration advisory panel will weigh on Friday the merits of a new therapy for some people with epilepsy who have seizures that don't respond to medication.

Neuroscience created Feb 21, 2013 | popularity not rated yet | comments 1

Electrical brain stimulation plus drug fights depression, study reports

(HealthDay)—Treating major depression safely and affordably is a challenge. Now, Brazilian researchers have found that two techniques often used individually produce better results when used together.

Psychology & Psychiatry created Feb 06, 2013 | popularity 4.3 / 5 (4) | comments 0 | with audio podcast

Study clarifies antidepressant contribution to arrhythmia risk

A 2011 warning from the U.S. Food and Drug Administration about the popular antidepressant citalopram (Celexa) left many patients and physicians with more questions than answers. Now an analysis of the medical records of ...

Medications created Jan 29, 2013 | popularity not rated yet | comments 0 | with audio podcast

When the mind controls the machines

More than a hundred patients suffering from severe motor impairments have voluntarily participated in the development of non-invasive brain-machine interfaces. The main purpose of these machines is to allow ...

Neuroscience created Jan 24, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

A light switch inside the brain

Activating and deactivating individual nerve cells in the brain is something many neuroscientists wish they could do, as it would help them to better understand how the brain works.

Neuroscience created Jan 18, 2013 | popularity not rated yet | comments 1