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Frontal lobe atrophy identified in poor sleepers

Frontal lobe atrophy identified in poor sleepers

US researchers have used neuroimaging to show that war veterans with poor sleep quality have reduced frontal lobe volumes. [More]

EEG-based biomarker can help predict psychotic disorder in high-risk individuals

Only one third of individuals identified as being at clinical high risk for psychosis actually convert to a psychotic disorder within a 3 year follow-up period. This risk assessment is based on the presence of sub-threshold psychotic-like symptoms. [More]
Study sheds new light on how humans perceive and produce sounds

Study sheds new light on how humans perceive and produce sounds

Research from McGill University reveals that the brain's motor network helps people remember and recognize music that they have performed in the past better than music they have only heard. [More]

Study: Musical aptitude is affected by a combination of genes involved in auditory pathway

Multiple regions in the human genome are reported to be linked to musical aptitude, according to a study published this week in Molecular Psychiatry. [More]

Study focuses on delinquent adolescents diagnosed with antisocial personality disorder

Adolescents with antisocial personality disorder inflict serious physical and psychological harm on both themselves and others. However, little is yet known about the underlying neural processes. [More]

Researchers identify distinct profiles of brain activity present when making decisions

Although choosing to do something because the perceived benefit outweighs the financial cost is something people do daily, little is known about what happens in the brain when a person makes these kinds of decisions. [More]

Compensatory brain mechanisms at play in siblings of bipolar patients

Patients with bipolar disorder and their unaffected siblings have deficits in a part of the brain responsible for automatic regulation of emotions, report researchers. [More]

Damage to brain cells plays role in development of epilepsy after traumatic brain injury

Traumatic brain injury is a risk factor for epilepsy, though the relationship is not understood. A new study in mice, published in Cerebral Cortex, identifies increased levels of a specific neurotransmitter as a contributing factor connecting traumatic brain injury (TBI) to post-traumatic epilepsy. The findings suggest that damage to brain cells called interneurons disrupts neurotransmitter levels and plays a role in the development of epilepsy after a traumatic brain injury. [More]

Music does not speak to everyone

Although it is not associated with any apparent biological advantagess or useful value (such as money), music is ranked among the highest sources of pleasure. Music's important role in our society and culture has led to the assumption that its ability to induce pleasure is universal. However, this assumption has never been empirically tested. [More]
Findings provide new target for development of novel therapies to manage chronic pain

Findings provide new target for development of novel therapies to manage chronic pain

Scientists have shown for the first time that the abnormalities in the way the brain experiences pain may be to blame for the chronic pain suffered by osteoarthritis patients. [More]

Researchers identify high levels of certain protein in brains of people suffering from essential tremor

A team of researchers from Universit- Laval and CHU de Qu-bec identified unusually high levels of a certain protein in the brains of people suffering from essential tremor (ET), a movement disorder that affects 4% of the adult population. [More]
Study: Thickness of brain's cortex linked with person's change in IQ

Study: Thickness of brain's cortex linked with person's change in IQ

Rate of change in the thickness of the brain's cortex is an important factor associated with a person's change in IQ, according to a collaborative study by scientists in five countries including researchers at the Montreal Neurological Institute and Hospital - The Neuro, at McGill University and the McGill University Health Centre. [More]
Young adult smokers may experience changes in structures of brains due to cigarette smoking

Young adult smokers may experience changes in structures of brains due to cigarette smoking

The young, it turns out, smoke more than any other age group in America. Unfortunately, the period of life ranging from late adolescence to early adulthood is also a time when the brain is still developing. [More]

More support for interhemispheric disconnectivity in bipolar disorder

A UK study supports a role for interhemispheric disconnectivity in bipolar disorder, showing reduced corpus callosum area and thickness in patients with the condition. [More]

Researchers identify eight neural subnetworks in mammalian cerebral cortex

The mammalian cerebral cortex, long thought to be a dense single interrelated tangle of neural networks, actually has a "logical" underlying organizational principle, reveals a study appearing Feb. 27 in the journal Cell. [More]
New study may open door to better diagnosis, treatment for chronic insomnia

New study may open door to better diagnosis, treatment for chronic insomnia

Johns Hopkins researchers report that people with chronic insomnia show more plasticity and activity than good sleepers in the part of the brain that controls movement. [More]

Scientists carry out first studies of living biological cells using high-energy X-rays

G-ttingen-based scientists working at DESY's PETRA III research light source have carried out the first studies of living biological cells using high-energy X-rays. The new method shows clear differences in the internal cellular structure between living and dead, chemically fixed cells that are often analysed. [More]
Increased brain cell activity boosts protein linked to Alzheimer's disease

Increased brain cell activity boosts protein linked to Alzheimer's disease

Increased brain cell activity boosts brain fluid levels of a protein linked to Alzheimer's disease, according to new research from scientists at Washington University School of Medicine in St. Louis. [More]

Scientists find how brain plucks information out of working memory

Keep this in mind: Scientists say they've learned how your brain plucks information out of working memory when you decide to act. [More]

Perceptual learning can improve vision and on field performance in baseball

With a little practice on a computer or iPad-25 minutes a day, 4 days a week, for 2 months-our brains can learn to see better, according to a study of University of California, Riverside baseball players reported in the Cell Press journal Current Biology on February 17. [More]