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Brain regions that regulate different aspects of behavior may affect an adolescent's response to peer influence

Brain regions that regulate different aspects of behavior are more interconnected in children with high resistance to peer influence than those with low resistance, according to a new study published in the July 25 issue of The Journal of Neuroscience .

27 Jul 2007

Women more prone to brain damage from alcohol abuse than men

Alcoholism has traditionally been considered a male disease because there are many more alcoholic males than females.

27 Jul 2007

Electronics that interface with biological systems

Imagine a chip, strategically placed in the brain, that could prevent epileptic seizures or allow someone who has lost a limb to control an artificial arm just by thinking about it.

26 Jul 2007

Resisting peer pressure all in the brain

The capacity to resist peer pressure in early adolescence may depend on the strength of connections between certain areas of the brain, according to a study carried out by University of Nottingham researchers.

26 Jul 2007

Genetic susceptibility to diet-induced obesity

Researchers at the Monell Chemical Senses Center have identified a genetically-transmitted metabolic defect that can lead to obesity in some individuals.

25 Jul 2007

Tetrabenazine protects brain cells in Huntington's disease model

A drug used in some countries to treat the symptoms of Huntington's disease prevents death of brain cells in mice genetically engineered to mimic the hereditary condition, UT Southwestern Medical Center researchers have found.

25 Jul 2007

New research on fixational eye movements

Susana Martinez-Conde, Ph.D., director of the Laboratory of Visual Neuroscience, and Stephen Macknik, Ph.D., director of the Laboratory of Behavioral Neurophysiology at Barrow Neurological Institute at St. Joseph's Hospital and Medical Center, are featured on the cover of the August issue of Scientific American for their research on fixational eye movements.

25 Jul 2007

Sun exposure during childhood may lower risk of developing multiple sclerosis

People who spent more time in the sun as children may have a lower risk of developing multiple sclerosis (MS) than people who had less sun exposure during childhood, according to a study published in the July 24, 2007, issue of Neurology ®, the medical journal of the American Academy of Neurology.

24 Jul 2007

Cochlear implants reorganize brain's hearing center

Cochlear implants electronic devices inserted surgically in the ear to allow deaf people to hear may restore normal auditory pathways in the brain even after many years of deafness.

24 Jul 2007

People with writer's cramp have less grey matter in three areas of the brain

People with serious cases of writer's cramp have brain abnormalities, according to a study published in the July 24, 2007, issue of Neurology ®, the medical journal of the American Academy of Neurology.

24 Jul 2007

Nicotine rush hinges on sugar in neurons

As with other questions involving good sensations, the answer appears to be sugar.

23 Jul 2007

Medical students respond positively to simulated patient experience

When a vomiting, simulated patient mannequin was rolled into the lecture hall last fall to teach large numbers of first- and second-year Wake Forest University School of Medicine students about the brain and nervous system, Michael T. Fitch, M.D., Ph.D., wasn't sure what to expect.

23 Jul 2007

Discovery of new brain mechanism involved with waking up

How do we wake up? How do we shift from restful sleep to dreaming? Researchers at the University of Arkansas for Medical Sciences (UAMS) have discovered a new brain mechanism that just might explain how we do that.

20 Jul 2007

New biochemical mechanism for memory storage

Our experiences - the things we see, hear, or do - can trigger long-term changes in the strength of the connections between nerve cells in our brain, and these persistent changes are how the brain encodes information as memory.

20 Jul 2007

RNA essential for survival of mature neurons

There are lots of things that brain cells need to survive. Add to that list microRNAs.

19 Jul 2007

New study explains placebo effect

Why do some people experience a “placebo effect” that makes them feel better when they receive a sham treatment they believe to be real — while other people don't respond at all to the same thing, or even feel worse?

19 Jul 2007

Potential dangers of Ritalin

Use of the attention deficit/hyperactivity disorder (ADHD) drug Ritalin by young children may cause long-term changes in the developing brain, suggests a new study of very young rats by a research team at Weill Cornell Medical College in New York City.

18 Jul 2007