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.

Childhood health disparities can have life-long health effects

Research indicates that physical and mental stress in childhood may have life-long adverse health effects and policy initiatives are needed to emphasize the importance of starting health promotion and disease prevention early in life, according to an article in the June 3 issue of JAMA, the Journal of the American Medical Association, a theme issue on child and adolescent health.

2 Jun 2009

Report identifies early childhood conditions that lead to adult health disparities

The origins of many adult diseases can be traced to early negative experiences associated with social class and other markers of disadvantage.

2 Jun 2009

Greater understanding on leptin's role in brain neurocircuitry

In investigating the complex neurocircuitry behind weight gain and glucose control, scientists have known that the hormone leptin plays a key role in the process. But within the myriad twists and turns of the brain's intricate landscape, the exact pathways that the hormone travels to exert its influence have remained a mystery.

2 Jun 2009

Language use decreases in young children and caregivers when TV is on

In a new study, young children and their adult caregivers uttered fewer vocalizations, used fewer words and engaged in fewer conversations when in the presence of audible television.

1 Jun 2009

Blue light goggles improve sleep quality in the elderly

Sleep disturbances increase as we age. Some studies report more than half of seniors 65 years of age or older suffer from chronic sleep disturbances. Researchers have long believed that the sleep disturbances common among the elderly often result from a disruption of the body's circadian rhythms - biological cycles that repeat approximately every 24 hours.

1 Jun 2009

New method to induce protein folding

A new method to induce protein folding by taking the pressure off of proteins is up to 100 times faster than previous methods, and could help guide more accurate computer simulations for how complex proteins fold, according to research by a team of University of Illinois scientists accepted for publication in the journal Nature Methods and posted on the journal's Web site May 31.

1 Jun 2009

Pay-for-performance may benefit doctors who care for multiple health problems

Physicians who treat patients with multiple health problems will fare well under pay-for-performance, which bases physician reimbursement on the quality of care provided, said researchers at Baylor College of Medicine and the Michael E. DeBakey Veterans Affairs Medical Center in Houston in a report in the current issue of the journal Circulation.

1 Jun 2009

Citalopram no more effective than a placebo for children with autism spectrum disorders

Citalopram, a medication commonly prescribed to children with autism spectrum disorders (ASD), was no more effective than a placebo at reducing repetitive behaviors, according to researchers funded by the National Institute of Mental Health (NIMH) and other NIH institutes. The study was published in the June 2009 issue of Archives of General Psychiatry.

1 Jun 2009

Rapamycin epilepsy-prevention effect may be widely applicable

A drug with potential to prevent epilepsy caused by a genetic condition may also help prevent more common forms of epilepsy caused by brain injury, according to researchers at Washington University School of Medicine in St. Louis.

1 Jun 2009

Findings in epilepsy gene in animals may guide treatment directions for infants

Researchers studying a difficult-to-treat form of childhood epilepsy called infantile spasms have developed a line of mice that experiences seizures with features closely resembling those occurring in patients with infantile seizures. These genetically engineered mice provide a new opportunity for scientists to test treatments that may benefit children.

1 Jun 2009

Glioblastoma may originate in neural stem cells

University of Michigan scientists have found that a deficiency in a key tumor suppressor gene in the brain leads to the most common type of adult brain cancer. The study, conducted in mice that mimic human cancer, points the way to more effective future treatments and a way to screen for the disease early.

1 Jun 2009

Oligophrenin-1 signaling protein linked to mental retardation controls synapse maturation, plasticity

A team of neuroscientists at Cold Spring Harbor Laboratory (CSHL) has demonstrated the mechanism by which a signaling protein found throughout the brain controls the maturation and strength of excitatory synapses, the tiny gaps across which the majority of neurons communicate.

1 Jun 2009

Commonly used medications may produce cognitive impairment in seniors

Many drugs commonly prescribed to older adults for a variety of common medical conditions including allergies, hypertension, asthma, and cardiovascular disease appear to negatively affect the aging brain causing immediate but possibly reversible cognitive impairment, including delirium, in older adults according to a clinical review now available online in the Journal of Clinical Interventions in Aging, a peer reviewed, open access publication.

1 Jun 2009

Wilson disease and excess copper are focus of new NIDDK publication

Wilson disease, a rare but potentially serious condition that causes the buildup of too much copper in the body, is explained in a new fact sheet from the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) at the National Institutes of Health (NIH).

1 Jun 2009

MicroRNAs grease the cell's circadian clockwork

Most of our cells possess an internal clock, a group of genes displaying a cyclic expression pattern that reaches a peak once a day. A large number of circadian genes are expressed by organs such as the liver, whose activity needs to be precisely regulated over the course of the day.

31 May 2009

Genetic profiling reveals genes active in the earliest brain circuit construction

Long before the brain's neurons can facilitate life's big decisions, they have to find their own destiny in the rapidly developing embryo.

31 May 2009

Dementia drugs Aricept, Exelon and Reminyl may put some patients at risk

Side effects associated with several commonly-prescribed dementia drugs may be putting elderly Canadians at risk, says Queen's University Geriatrics professor Sudeep Gill.

27 May 2009

New cellular targets for HIV drug development

Focusing HIV drug development on immune cells called macrophages instead of traditionally targeted T cells could bring us closer to eradicating the disease, according to new research from University of Florida and five other institutions.

27 May 2009

Psychiatrists begin revising diagnostic manual for mental illnesses

Over the next 18 months, psychiatrists will revise the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders, which is used to determine how U.S. residents' mental health is assessed, diagnosed and treated, the Los Angeles Times reports.

27 May 2009

Brain activation can predict strategies people use to make risky decisions

Watching people's brains in real time as they handle a set of decision-making problems can reveal how different each person's strategy can be, according to neuroscientists at the Duke University Medical Center.

27 May 2009