Brain News and Research

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The human brain is the center of the human nervous system and is a highly complex organ. Enclosed in the cranium, it has the same general structure as the brains of other mammals, but is over three times as large as the brain of a typical mammal with an equivalent body size.

Scientists uncover key developmental mechanisms of the amygdala

For the first time, scientists at Children's National Medical Center have successfully identified a key developmental program for the amygdala-the part of the limbic system that impacts how the brain creates emotional memories and responses.

13 Jan 2009

Food-addiction blamed for obesity

A study by scientists in New Zealand say craving something sweet like a biscuit or piece of chocolate could be a response to an addiction.

13 Jan 2009

Exposure to lead brings cognitive problems later in life

Both the developing brain and the aging brain can suffer from lead exposure.

12 Jan 2009

Protein that regulates hormones critical to women's health found in pituitary

University of Wisconsin-Madison researchers have solved the mystery surrounding a "rogue protein" that plays a role in the release of neurotransmitters and hormones in the brain.

12 Jan 2009

New evidence in support of Warburg theory of cancer

German scientist Otto H. Warburg's theory on the origin of cancer earned him the Nobel Prize in 1931, but the biochemical basis for his theory remained elusive.

12 Jan 2009

HRT linked to brain shrinkage, but not lesions

Two new studies show that commonly prescribed forms of postmenopausal hormone therapy may slightly accelerate the loss of brain tissue in women 65 and older beyond what normally occurs with aging.

12 Jan 2009

Discovery of mechanism that may explain Parkinson's and other neurological disorders

Studying just eight families worldwide, the international team of researchers have discovered a genetic defect that results in profound depression and parkinsonism in a disorder known as Perry syndrome.

12 Jan 2009

Diabetes associated with different types of brain injury in patients with dementia

Patients with dementia and diabetes appear to display a different pattern of injuries in their brains than patients with dementia but without diabetes, according to an article posted online today that will appear in the March print issue of Archives of Neurology.

12 Jan 2009

Understanding human smell at the neural level

A new Rice University study published in the Journal of Neuroscience found that socioemotional meanings, including sexual ones, are conveyed in human sweat.

9 Jan 2009

Older women who are more physically fit have better cognitive function

New research published in the international journal Neurobiology of Aging by Marc Poulin, PhD, DPhil, finds that being physically fit helps the brain function at the top of its game.

9 Jan 2009

Discovery of new molecule in blood-pressure control system

Researchers at Oregon Health & Science University's School of Dentistry have discovered that the nerve cells controlling heart rate and blood pressure synthesize a molecule known to be critically important for proper nervous system growth.

8 Jan 2009

Six more obesity genes identified

The international GIANT (Genetic Investigation of Anthropometric Parameters) consortium works on the discovery of obesity genes.

8 Jan 2009

New nasal spray vaccine shown to be effective against botulism

A preclinical study found a new nasal spray vaccine to provide complete protection against a major botulism toxin, according to a study published today in the Nature journal Gene Therapy .

8 Jan 2009

Growth of new brain cells requires 'epigenetic' switch

New cells are born every day in the brain's hippocampus, but what controls this birth has remained a mystery.

8 Jan 2009

United States preterm birth rate continues to rise

New government statistics confirm that the decades-long rise in the United States preterm birth rate continues, putting more infants than ever at increased risk of death and disability.

7 Jan 2009

Osteotech starts trial for DuraTech BioRegeneration Matrix

Osteotech, Inc. announced today that it has initiated a pivotal clinical trial for its DuraTech BioRegeneration Matrix.

7 Jan 2009

A new state-of-the-art approach to brain and spine surgery

A medical revolution emerges when technology blends with smart care.

7 Jan 2009

Fat busting drug Leptin could make a comeback

When an obesity drug called Leptin was first discovered by scientists 13 years ago, experts hoped the appetite-suppressing hormone would be a possible cure for obesity.

7 Jan 2009

Links between sleep apnea, stroke and death explained

Obstructive sleep apnea decreases blood flow to the brain, elevates blood pressure within the brain and eventually harms the brain's ability to modulate these changes and prevent damage to itself, according to a new study published by The American Physiological Society.

6 Jan 2009

New understanding of seizure behaviors and epilepsy

Two children have a seizure. One child never has another seizure. Twenty years later, the other child has a series of seizures and is diagnosed with epilepsy.

6 Jan 2009