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Cognitive 'fog' of normal aging linked to brain system disruption

Comparisons of the brains of young and old people have revealed that normal aging may cause cognitive decline due to deterioration of the connections among large-scale brain systems.

5 Dec 2007

Brain systems become less coordinated with age, even in the absence of disease

Some brain systems become less coordinated with age even in the absence of Alzheimer's disease, according to a new study from Harvard University.

5 Dec 2007

Lead exposure hinders brain's ability to recover from injury

Exposure to lead can hinder the brain's ability to recover from injury, a recent study in laboratory animals shows.

4 Dec 2007

New genetic markers found that increase a person's risk for schizophrenia

Scientists at the Zucker Hillside Hospital campus of the Feinstein Institute for Medical Research have identified nine genetic markers that can increase a person's risk for schizophrenia.

4 Dec 2007

Transporters may help delay diabetes-related retinal damage

Two transporters that deliver alternative energy sources to the eye may help delay retinal damage that can occur in diabetes, researchers say.

29 Nov 2007

Stem cell technology pioneer, Plasticell secures funding

Plasticell is a biotechnology company that has developed and holds exclusive intellectual property rights for two complementary systems in the fields of stem cell research and regenerative medicine.

29 Nov 2007

Novel imaging technique shows more gray matter in brains of autistic children

Using a novel imaging technique to study autistic children, researchers have found increased gray matter in the brain areas that govern social processing and learning by observation.

29 Nov 2007

Research suggests new direction for ALS treatment

A research team from Wake Forest University School of Medicine is the first to show that injections of a protein normally found in human cells can increase lifespan and delay the onset of symptoms in mice with ALS (amyotrophic lateral sclerosis), or Lou Gehrig's disease.

27 Nov 2007

Brain stem-cell therapies more complicated than thought

An MIT research team's latest finding suggests that stem cell therapies for the brain could be much more complicated than previously thought.

27 Nov 2007

Transcranial magnetic stimulation effective in treating major depression

Researchers at the University of Pennsylvania School of Medicine and other study sites have found that transcranial magnetic stimulation (TMS) – a non-invasive technique that excites neurons in the brain via magnetic pulses passed through the scalp – is a safe and effective, non-drug treatment with minimal side effects for patients with major depression who have tried other treatment options without benefit.

27 Nov 2007

Omega-3 fatty acids protect the brain against Parkinson's disease

Omega-3 fatty acids protect the brain against Parkinson's disease, according to a study by Université Laval researchers published in the online edition of the FASEB Journal, the journal of the Federation of American Societies for Experimental Biology.

27 Nov 2007

Transcranial magnetic stimulation for depression

For the first time in a large-scale study, transcranial magnetic stimulation has been shown to be an effective, non-drug treatment for major depression.

21 Nov 2007

Peptide therapy used to prevent progression of Parkinson's

Researchers have successfully used a peptide to reverse biochemical, cellular and anatomical changes that occur in the brains of mice with Parkinson's disease (PD), and report success in preventing the disease from progression.

21 Nov 2007

Scientists identify key nerve navigation pathway

Newly launched nerve cells in a growing embryo must chart their course to distant destinations, and many of the means they use to navigate have yet to surface.

21 Nov 2007

Naturally occurring brain chemical acetylcholine enhances visual processing

Neuroscientists at New York University have found that a naturally occurring chemical in the brain can enhance visual processing and suggest that this chemical may represent part of the biological basis of visual attention.

21 Nov 2007

New study finds blood-spinal cord barrier compromised in mice with ALS

The blood-spinal cord barrier is functionally impaired in areas of motor neuron damage in mice modeling amyotrophic lateral sclerosis (ALS), report researchers at the University of South Florida Center for Aging and Brain Repair.

21 Nov 2007

Molecular foreman discovered for brain wiring

Researchers have identified a master regulatory molecule that is responsible for triggering the remodeling of neuronal connections that is critical for learning.

21 Nov 2007

Mapping the selective brain

Researchers have added a new piece to the puzzle of how the brain selectively amplifies those distinctions that matter most from the continuous cascade of sights, sounds, and other sensory input.

21 Nov 2007

Is there an objective biological basis for the experience of beauty in art?

Or is aesthetic experience entirely subjective? This question has been addressed in a paper published in this week's PLoS ONE, Cinzia Di Dio, Emiliano Macaluso and Giacomo Rizzolatti. The researchers used fMRI scans to study the neural activity in subjects with no knowledge of art criticism, who were shown images of Classical and Renaissance sculptures.

21 Nov 2007

Antidepressant drug mianserin extends the lifespan of adult roundworms

A team of scientists led by Howard Hughes Medical Institute (HHMI) investigator Linda B. Buck has found that a drug used to treat depression can extend the lifespan of adult roundworms.

21 Nov 2007