News tagged with brain mechanism

Related topics: brain

Gene regulator in brain's executive hub tracked across lifespan

For the first time, scientists have tracked the activity, across the lifespan, of an environmentally responsive regulatory mechanism that turns genes on and off in the brain's executive hub. Among key findings ...

Medicine & Health / Genetics

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

Why the brain is more reluctant to function as we age

New findings, led by neuroscientists at the University of Bristol and published this week in the journal Neurobiology of Aging, reveal a novel mechanism through which the brain may become more reluctant to function as we ...

Medicine & Health / Neuroscience

created Feb 01, 2012 | popularity 3.9 / 5 (7) | comments 0 | with audio podcast

Mechanism sheds light on how the brain adapts to stress

Scientists now have a better understanding of the way that stress impacts the brain. New research, published by Cell Press in the January 26 issue of the journal Neuron, reveals pioneering evidence for a new mechanism of str ...

Medicine & Health / Neuroscience

created Jan 25, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

In schizophrenia research, a path to the brain through the nose

A significant obstacle to progress in understanding psychiatric disorders is the difficulty in obtaining living brain tissue for study so that disease processes can be studied directly. Recent advances in basic cellular neuroscience ...

Medicine & Health / Psychology & Psychiatry

created Jan 25, 2012 | popularity not rated yet | comments 0

Scientists learn how stem cell implants help heal traumatic brain injury

For years, researchers seeking new therapies for traumatic brain injury have been tantalized by the results of animal experiments with stem cells. In numerous studies, stem cell implantation has substantially improved brain ...

Medicine & Health / Research

created Jan 12, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Diet counts: Iron intake in teen years can impact brain in later life

(Medical Xpress) -- Iron is a popular topic in health news. Doctors prescribe it for medical reasons, and it's available over the counter as a dietary supplement. And while it's known that too little iron can result in cognitive ...

Medicine & Health / Research

created Jan 12, 2012 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Internet addiction disorder characterized by abnormal white matter integrity

Internet addiction disorder may be associated with abnormal white matter structure in the brain, as reported in the Jan. 11 issue of the online journal PLoS ONE. These structural features may be linked to behavioral impair ...

Medicine & Health / Psychology & Psychiatry

created Jan 11, 2012 | popularity 3.3 / 5 (6) | comments 0

How the brain puts the brakes on the negative impact of cocaine

Research published by Cell Press in the January 12 issue of the journal Neuron provides fascinating insight into a newly discovered brain mechanism that limits the rewarding impact of cocaine. The study describes protective delaye ...

Medicine & Health / Neuroscience

created Jan 11, 2012 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Diabetic mice provide a surprising breakthrough for multiple sclerosis research

(Medical Xpress) -- In humans, active periods of the debilitating disease Multiple Sclerosis (MS) can last for mere minutes or extend to weeks at a time. They're caused by lesions in the brain that develop, ...

Medicine & Health / Neuroscience

created Jan 05, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Study: Eating less keeps the brain young

Overeating may cause brain aging while eating less turns on a molecule that helps the brain stay young.

Medicine & Health / Research

created Dec 19, 2011 | popularity 4.7 / 5 (27) | comments 9 | with audio podcast

How doctors make diagnoses

Doctors use similar brain mechanisms to make diagnoses and to name objects, according to a study published in the Dec. 14 issue of the online journal PLoS ONE and led by Marcio Melo of the University of Sao Paulo in Brazil ...

Medicine & Health / Neuroscience

created Dec 14, 2011 | popularity not rated yet | comments 0

Study underlines potential of anti-stress peptide to block alcohol dependence

New research by scientists at the Scripps Research Institute has underlined the power of an endogenous anti-stress peptide in the brain to prevent and even reverse some of the cellular effects of acute alcohol and alcohol ...

Medicine & Health / Psychology & Psychiatry

created Dec 09, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Brain study explores what makes colors and numbers collide

Someone with the condition known as grapheme-color synesthesia might experience the number 2 in turquoise or the letter S in magenta. Now, researchers reporting their findings online in the Cell Press journal Current Biology on Nov ...

Medicine & Health / Neuroscience

created Nov 17, 2011 | popularity 5 / 5 (1) | comments 2 | with audio podcast

Brain probe that softens after insertion causes less scarring

A hard probe inserted in the cerebral cortex of a rat model turns nearly as pliable as the surrounding gray matter in minutes, and induces less of the tough scarring that walls off hard probes that do not change, researchers ...

Medicine & Health / Neuroscience

created Nov 03, 2011 | popularity 5 / 5 (1) | comments 0

Scientists pinpoint the brain circuitry linked to making healthy or unhealthy choices

(Medical Xpress) -- What drives addicts to repeatedly choose drugs, alcohol, cigarettes, overeating, gambling or kleptomania, despite the risks involved?

Medicine & Health / Neuroscience

created Oct 30, 2011 | popularity 3.6 / 5 (10) | comments 11 | with audio podcast