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Brain abnormality found in boys with ADHD

Researchers trying to uncover the mechanisms that cause attention deficit hyperactivity disorder and conduct disorder have found an abnormality in the brains of adolescent boys suffering from the conditions, but not where they expected to find it.

17 Mar 2009

Cause of severe pediatric epilepsy disorder discovered

Researchers at the University of California, San Diego School of Medicine have discovered that convulsive seizures in a form of severe epilepsy are generated, not on the brain's surface as expected, but from within the memory-forming hippocampus.

16 Mar 2009

New target for heart failure therapy identified

A novel signaling pathway plays a significant role in the production of aldosterone, a hormone that promotes heart failure after a myocardial infarction, according to a study conducted by Thomas Jefferson University researchers.

16 Mar 2009

Does stress damage the brain?

In the March 1st issue of Biological Psychiatry, published by Elsevier, a paper by Tibor Hajszan and colleagues provides an important new chapter to this question.

16 Mar 2009

Researchers shed new light on dyslexia

By peering into the brains of people with dyslexia compared to normal readers, a study published online on March 12th in Current Biology , a Cell Press publication, has shed new light on the roots of the learning disability, which affects four to ten percent of the population.

12 Mar 2009

MRI and CT used to map intelligence in the brain

Neuroscientists at the California Institute of Technology (Caltech) have conducted the most comprehensive brain mapping to date of the cognitive abilities measured by the Wechsler Adult Intelligence Scale (WAIS), the most widely used intelligence test in the world.

11 Mar 2009

Ecstasy may help suffers of post-traumatic stres

Ecstasy may help suffers of post-traumatic stress learn to deal with their memories more effectively by encouraging a feeling of safety, according to an article in the Journal of Psychopharmacology published by SAGE.

10 Mar 2009

Scientists identify the neural circuitry of first impressions

Neuroscientists at New York University and Harvard University have identified the neural systems involved in forming first impressions of others.

8 Mar 2009

Believers and non-believers have distinct brain differences

Believing in God can help block anxiety and minimize stress, according to new University of Toronto research that shows distinct brain differences between believers and non-believers.

4 Mar 2009

Study sheds light on underlying neural mechanism behind macular degeneration

In macular degeneration, the most common form of adult blindness, patients progressively lose vision in the center of their visual field, thereby depriving the corresponding part of the visual cortex of input.

3 Mar 2009

Faulty signalling in the brain may cause schizophrenia

In the biggest study of its kind, scientists looking in detail at brain samples donated by people with the condition have identified 49 genes that work differently in the brains of schizophrenia patients compared to controls.

3 Mar 2009

What role does the brain play in some women's lack of sexual desire?

More than 40 percent of women ages 18-59 experience sexual dysfunction, with lack of sexual interest - hypoactive sexual desire disorder, or HSDD - being the most commonly reported complaint, according to medical researchers.

2 Mar 2009

Evidence appears to show how and where frontal lobe works

A Brown University study of stroke victims has produced evidence that the frontal lobe of the human brain controls decision-making along a continuum from abstract to concrete, from front to back.

2 Mar 2009

fMRI captures wave of brain activity linked to anticipation

Neuroscientists at Georgetown University Medical Center have, for the first time, shown what brain activity looks like when someone anticipates an action or sensory input which soon follows.

26 Feb 2009

Stages of sleep have distinct influence on process of learning and memory

Research on the sleeping brain has revealed some fascinating stage-dependent interactions between areas involved in formation and storage of long term memories.

25 Feb 2009

Researchers find evidence for precise communication across brain areas during sleep

By listening in on the chatter between neurons in various parts of the brain, researchers from the California Institute of Technology (Caltech) have taken steps toward fully understanding just how memories are formed, transferred, and ultimately stored in the brain--and how that process varies throughout the various stages of sleep.

25 Feb 2009