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News tagged with rat brains

New stroke therapy successful in rats

People with impaired mobility after a stroke soon may have a therapy that restores limb function long after the injury, if a supplemental protein works as well in humans as it does in paralyzed rats.

Medicine & Health / Neuroscience

created Jan 12, 2010 | popularity 5 / 5 (4) | comments 2 | with audio podcast

Why newborn babies can't walk

(PhysOrg.com) -- The first steps of an infant is a real milestone in the development of all mammals including humans, but little is known about why some animals can walk soon after birth, while others need ...

Medicine & Health / Neuroscience

created Dec 18, 2009 | popularity 4.2 / 5 (13) | comments 16 weblog

Smart rat 'Hobbie-J' produced by over-expressing a gene that helps brain cells communicate

Over-expressing a gene that lets brain cells communicate just a fraction of a second longer makes a smarter rat, report researchers from the Medical College of Georgia and East China Normal University.

Biology / Biotechnology

created Oct 19, 2009 | popularity 4.9 / 5 (15) | comments 5

Adolescent alcohol expsoure may lead to long-term risky decision making

(PhysOrg.com) -- Picture this. A bunch of adolescent rats walk into a bar and start consuming Jell-O shots. Lots of them.

Medicine & Health / Neuroscience

created Sep 21, 2009 | popularity 4.5 / 5 (2) | comments 3

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

New model of whiskers provides insight into sense of touch

Researchers at Northwestern University have developed a model that will allow them to simulate how rats use their whiskers to sense objects around them. The model enables further research that may provide insight into the ...

Biology / Plants & Animals

created Apr 07, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Rats to robots - brain's grid cells tell us how we navigate

(PhysOrg.com) -- Rats and robots can tell us how the brain maps out familiar environments and navigates in them, Queensland University of Technology robotics researchers have found.

Technology / Engineering

created Nov 12, 2010 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast

Higher anxiety, depression among women may have basis in cell signals

There may be a biological reason why depression and other stress-related psychiatric disorders are more common among women compared to men. Studying stress signaling systems in animal brains, neuroscience researchers found ...

Medicine & Health / Psychology & Psychiatry

created Jun 15, 2010 | popularity 4.3 / 5 (4) | comments 1 | with audio podcast

Researchers find two brain circuits involved with habitual learning

Driving to and from work is a habit for most commuters - we do it without really thinking. But before our commutes became routine, we had to learn our way through trial-and-error exploration. A new study ...

Medicine & Health / Neuroscience

created Jun 09, 2010 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Discovery gives insight into brain 'replay' process

The hippocampus, a part of the brain essential for memory, has long been known to "replay" recently experienced events. Previously, replay was believed to be a simple process of reviewing recent experiences in order to help ...

Medicine & Health / Neuroscience

created Mar 11, 2010 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Nerve-cell transplants help brain-damaged rats fully recover lost ability to learn

Nerve cells transplanted into brain-damaged rats helped them to fully recover their ability to learn and remember, probably by promoting nurturing, protective growth factors, according to a new study.

Medicine & Health / Neuroscience

created Dec 09, 2009 | popularity 5 / 5 (5) | comments 1

Mobile microscopes illuminate the brain

(PhysOrg.com) -- By building a tiny microscope small enough to be carried around on a rats' head, scientists at the Max Planck Institute for Biological Cybernetics in Tübingen, Germany, have found a way to ...

Biology / Other

created Nov 03, 2009 | popularity 5 / 5 (6) | comments 0

Rats move toward the food but do not eat

Scientists led a rat to the fatty food, but they couldn't make it eat. Using an animal model of binge eating, University of Missouri researchers discovered that deactivating the basolateral amygdala, a brain ...

Medicine & Health / Neuroscience

created Sep 08, 2009 | popularity 4.5 / 5 (2) | comments 2

Stress rewires the brain to make rats creatures of habit

Chronic stress rewires the brains of rats to make them creatures of habit who make rote decisions instead of changing their behavior to gain rewards, a study published Thursday has found.

Medicine & Health / Medical research

created Jul 30, 2009 | popularity 4.9 / 5 (10) | comments 2

Research shows brain cells make clever connections

(PhysOrg.com) -- University of Queensland research has revealed that growing nerve fibres may navigate by using a clever mathematical trick.

Medicine & Health / Genetics

created Jun 10, 2009 | popularity 2.7 / 5 (3) | comments 1