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Signal variability, cognitive performance in the aging human brain

As we age, the physical make up of our brains changes. This includes changes in neural processing in grey matter, but also in the deterioration of structural connections in the brain, which allow communication between distinct brain regions, so the bra…

Gene loss creates eating disorder-related behaviors in mice

Building on their discovery of a gene linked to eating disorders in humans, a team of researchers has now shown that loss of the gene in mice leads to several behavioral abnormalities that resemble behaviors seen in people with anorexia nervosa.

Brain activity in infants predicts language outcomes in autism spectrum disorder

Autism spectrum disorder can produce different clinical outcomes in young children, with some having strong conversation abilities and others not talking at all. A new study reveals at the first signs of possible autism in infants and toddlers, neural …

Touch-sensing neurons are multitaskers

Two types of touch information — the feel of an object and the position of an animal’s limb — have long been thought to flow into the brain via different channels and be integrated in sophisticated processing regions. Now, with help from a specially …

Brain imaging explains reason for good, poor language outcomes in ASD toddlers

Using functional magnetic resonance imaging (fMRI), researchers say it may be possible to predict future language development outcomes in toddlers with autistic spectrum disorder (ASD), even before they’ve been formally diagnosed with the condition.

Clot-busting drug benefits stroke patients, brain scan study shows

A drug that breaks up blood clots in the brains of stroke patients could be used more widely than at present without increased risk, a brain scan study suggests. It had previously been thought that giving the drug to people with signs of early damage i…

Delicate magnolia-jasmine scent activates human pheromone receptor

The question if humans can communicate via pheromones in the same way as animals is under debate. Cell physiologists have demonstrated that the odorous substance Hedione activates the putative pheromone receptor VN1R1, which occurs in the human olfacto…

Mental disorders and physical diseases co-occur in teenagers

Every third teenager has suffered from one mental disorder and one physical disease.

Under-reported suicides: Hiding or compounding the tragedy

A new study has revealed that suicide figures may not be as accurate as they are reported, with key Western countries having a higher suicide rate than that reported in official figures, especially…

Cold, callous and untreatable? Not all psychopaths fit the stereotype, says new study

Many mask unmanageable emotion, can be helped with right therapyMovie villains from Norman Bates to Hannibal Lecter have popularized the notion of the psychopath as cold, cruel, lacking in…