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.

Effects of prenatal exposure to pesticides

Children in Ecuador whose mothers were exposed to pesticides while pregnant had increased blood pressure and diminished ability to copy geometric figures as compared to a control group, according to an epidemiological study in the March issue of Pediatrics.

9 Mar 2006

Penn researchers study link between potassium and sodium channels aiming at new treatments for neurological diseases

Researchers at the University of Pennsylvania School of Medicine have discovered the mechanism that facilitates how two ion channels collaborate in the control of electrical signals in the brain.

9 Mar 2006

Researchers find compound that interferes with the pathogenic effects of Huntington's disease

There is no cure for Huntington's, a neurodegenerative disorder that now afflicts 30,000 Americans, with another 150,000 at risk. The fatal disease, which is genetically inherited, usually strikes in midlife and causes uncontrolled movements, loss of cognitive function and emotional disturbance.

9 Mar 2006

Important milestone in understanding the neural circuitry that coordinates walking movements

Researchers at the Salk Institute for Biological Studies have identified an important circuit in the spinal cord that controls the speed with which our leg muscles contract and relax.

9 Mar 2006

Repligen commences phase 2 trial of RG2417 for bipolar depression

Repligen Corporation today announced that the Company has initiated a Phase 2 clinical trial of RG2417, an oral formulation of uridine, in patients with bipolar depression.

9 Mar 2006

Lilly launches phase III trial of Enzastaurin

One of the deadliest and rarest forms of cancer is the focus of a Phase III study initiated by Eli Lilly and Company today.

9 Mar 2006

Virtual reality to train brain and heart surgeons

Virtual reality simulation tools are already revolutionizing the way dentists are taught at Case Western Reserve University - and if M. Cenk Cavusoglu has his way, simulation technology at Case will also train the world's brain and heart surgeons.

9 Mar 2006

How mammalian brains recognize other individuals

Imagine seeing a former high school classmate you always wanted to know better. Then imagine seeing that kid who used to push you in the hallways. Do you react differently? What happens in your brain during these encounters?

9 Mar 2006

Cornell develops technique for making living, functional cells glow

The development gives researchers insights into how hearts develop in living mouse embryos and could improve our understanding of irregular heartbeats, known as arrhythmias, as well as open doors to observing cellular processes to better understand basic physiology and disease.

9 Mar 2006

Sex chromosome genes influence aggression

It has been well documented that, across human cultures and in most mammals, males are usually more aggressive and less nurturing than females.

9 Mar 2006

Frontal cortex essential for understanding other people's actions

It has been known for over 100 years that if a person suffers a stroke in the left frontal cortex, he or she often suffers difficulties in speaking and with understanding language.

9 Mar 2006

ATF2 protein may play a crucial role in cancer's ability to resist chemotherapy and radiation treatment

Researchers at Purdue University have discovered a molecular mechanism that may play a crucial role in cancer's ability to resist chemotherapy and radiation treatment and that also may be involved in Alzheimer's and heart disease.

9 Mar 2006

Novel compound may help fight obesity

A new study reveals an attractive new target for therapies aimed at the treatment of obesity and related metabolic disorders, researchers report in the March Cell Metabolism.

9 Mar 2006

Depressed older adults more likely to develop mild cognitive impairment

Older adults with depressive symptoms are more likely than those without depression to develop mild cognitive impairment (MCI) within six years, according to a study conducted by researchers at the San Francisco VA Medical Center and the University of California, San Francisco.

9 Mar 2006

Exposure to fine particle air pollution significantly increases the risk for cardiovascular and respiratory disease

New data from a four-year study of 11.5 million Medicare enrollees show that short-term exposure to fine particle air pollution from such sources as motor vehicle exhaust and power plant emissions significantly increases the risk for cardiovascular and respiratory disease among people over 65 years of age.

9 Mar 2006

MS sufferers lobby for return of Tysabri

Despite the deaths of two people among the thousands treated with a promising multiple sclerosis drug, MS patients are trying to persuade the U.S. government to allow the drug back onto the market.

8 Mar 2006

Scientists find brain function most important to maths ability

Scientists at University College London (UCL) have discovered the area of the brain linked to dyscalculia, a maths learning disability. The finding shows that there is a separate part of the brain used for counting that is essential for diagnosis and an understanding of why many people struggle with maths.

7 Mar 2006

Dual functions of sight - perception and action - demonstrated for first time

The dissociation in the visual system between two separate functions - one that enables us to identify objects and the other to interact with them - has been clearly demonstrated for the first time in healthy humans by researchers at the Hebrew University of Jerusalem.

7 Mar 2006

Potential new treatment for Huntington and Parkinson patients

A potential new treatment for neurodegenerative disorders, which seems to be able to reduce the toxic protein aggregates characteristic of many of these diseases, is published online this week in the journal Proceedings of the National Academy of Sciences.

7 Mar 2006

Discovery of compound that reduces hallmark lesions of Alzheimer's disease in mice

Researchers at UC Irvine have found that a new compound not only relieves the cognitive symptoms of Alzheimer's disease, but also reduces the two types of brain lesions that are hallmarks of this devastating disease, thereby blocking its progression.

7 Mar 2006