News tagged with brain responses

Related topics: brain , functional magnetic resonance imaging , brain activity

Immune molecule regulates brain connections

The number of connections between nerve cells in the brain can be regulated by an immune system molecule, according to a new study from UC Davis. The research, published Feb. 27 in the journal Nature Neuroscience, reveal ...

Medicine & Health / Neuroscience

created Feb 27, 2011 | popularity 4.5 / 5 (8) | comments 0 | with audio podcast

Exercise's brain benefits

(PhysOrg.com) -- Athletes have long known about the natural "high" exercise can induce. Now, for the first time, medical researchers have demonstrated that exercise can reverse the effects in the brain of psychological trauma ...

Medicine & Health / Psychology & Psychiatry

created Jul 14, 2010 | popularity 4.7 / 5 (12) | comments 1 | with audio podcast

Stress make women social and men antisocial

(PhysOrg.com) -- New studies by scientists at the University of Southern California have found that while stress may result in a universal physiological "fight or flight response" there are gender differences in psychological ...

Medicine & Health / Psychology & Psychiatry

created Apr 23, 2010 | popularity 4.1 / 5 (19) | comments 13 | with audio podcast report

Cell-inspired electronics

(PhysOrg.com) -- A single cell in the human body is approximately 10,000 times more energy-efficient than any nanoscale digital transistor, the fundamental building block of electronic chips. In one second, ...

Technology / Engineering

created Feb 25, 2010 | popularity 4.9 / 5 (16) | comments 0 | with audio podcast

Future angst? Brain scans show uncertainty fuels anxiety

(PhysOrg.com) -- Anyone who has spent a sleepless night anguishing over a possible job loss has experienced the central finding of a new brain scan study: Uncertainty makes a bad event feel even worse.

Medicine & Health / Neuroscience

created Aug 17, 2009 | popularity 5 / 5 (6) | comments 2

Protein complex affects cells' ability to move, respond to external cues

In a paper published today in the journal, Cell, a team from the University of North Carolina at Chapel Hill has explained for the first time how a long-studied protein complex affects cell migration and how external cues a ...

Biology / Cell & Microbiology

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

Parasite uses the power of sexual attraction to trick rats into becoming cat food

(PhysOrg.com) -- Could it be love? Rats infected with the parasite Toxoplasma seem to lose their fear of cats – or at least cat urine. Now Stanford researchers have discovered that the brains of those ...

Biology / Plants & Animals

created Aug 17, 2011 | popularity not rated yet | comments 9 | with audio podcast

Chinks in the brain circuitry make some more vulnerable to anxiety

(PhysOrg.com) -- Why do some people fret over the most trivial matters while others remain calm in the face of calamity? Researchers at the University of California, Berkeley, have identified two different ...

Medicine & Health / Neuroscience

created Feb 10, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Brain changes explain why teens have no fear

The brain undergoes changes in adolescence that suppress fearful experiences learned in childhood, said a study released Monday that could explain why teenagers act so brashly at times.

Medicine & Health / Neuroscience

created Jan 10, 2011 | popularity 3.8 / 5 (4) | comments 4

Researchers find a 'liberal gene'

Liberals may owe their political outlook partly to their genetic make-up, according to new research from the University of California, San Diego, and Harvard University. Ideology is affected not just by social factors, but ...

Medicine & Health / Genetics

created Oct 27, 2010 | popularity 3.4 / 5 (27) | comments 574 | with audio podcast

New insight into links between obesity and activity in the brain

Scientists have revealed that an anti-obesity drug changes the way the brain responds to appetising, high-calorie foods in obese individuals. This insight may aid the development of new anti-obesity drugs which reduce the ...

Medicine & Health / Neuroscience

created Oct 26, 2010 | popularity 4.1 / 5 (7) | comments 8 | with audio podcast

Why we fight: Men check out in stressful situations

A new study by USC researchers reveals that stressed men looking at angry faces had diminished activity in the brain regions responsible for understanding others' feelings.

Medicine & Health / Neuroscience

created Sep 28, 2010 | popularity 4.4 / 5 (9) | comments 3 | with audio podcast

Stomach-churning experiment not for the faint of heart

(PhysOrg.com) -- If someone is sick next to you on the bus, you'll probably feel disgusted, your stomach will turn and you will start to feel sick as well. But is your stomach churning because you feel disgusted, ...

Medicine & Health / Neuroscience

created Sep 24, 2010 | popularity 3.7 / 5 (3) | comments 1 | with audio podcast

Proteins linked to longevity also linked to Alzheimer's

Over the past 20 years, scientists have learned that proteins called sirtuins play a vital role in longevity and stress response in organisms as diverse as humans, yeast and mice. A new paper from MIT biologists ...

Medicine & Health / Medical research

created Jul 27, 2010 | popularity 4.8 / 5 (10) | comments 1 | with audio podcast

Brain chemical boosts body heat, aids in calorie burn, research suggests

New findings by UT Southwestern Medical Center researchers suggest that an enzyme in the brain known as PI3 kinase might control the increased generation of body heat that helps burn off excess calories after eating a high-fat ...

Medicine & Health / Medical research

created Jul 06, 2010 | popularity 5 / 5 (2) | comments 0 | with audio podcast