Cortex News and Research

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Additional drug treatment options to prevent migraine may offer hope to sufferers

Preventing or shortening the duration of migraine attacks - established drug treatment options and those that could shape future therapies were discussed at the Congress of European Academy of Neurology in Copenhagen.

1 Jun 2016

Researchers detect blood-brain barrier leakage in people with early AD using contrast-enhanced MRI

Researchers using contrast-enhanced MRI have identified leakages in the blood-brain barrier (BBB) of people with early Alzheimer's disease (AD), according to a new study published online in the journal Radiology. The results suggest that increased BBB permeability may represent a key mechanism in the early stages of the disease.

31 May 2016

Researchers identify new genetic drivers of adrenal cancer

Cancer researchers in Würzburg, in cooperation with the international Cancer Genome Atlas Research Network, have identified new genetic drivers of adrenal cancer. Würzburg was the center of coordination of the European scientists.

30 May 2016

New study sheds light on link between gut microbiome and the brain

Intestinal bacteria that can boost bravery or trigger multiple sclerosis: An increasing body of research results confirms the importance of the "gut-brain axis" for neurology and indicates that the triggers for a number of neurological diseases may be located in the digestive tract.

30 May 2016

Study finds positive link between perceptual difficulty and insular cortex activity

As the difficulty of making a decision based on sensory evidence increases, activity in the brain's insular cortex also increases, according to researchers at Georgia State University.

27 May 2016

Rockefeller scientists develop new technique that captures detailed snapshot of brain activity

When it comes to measuring brain activity, scientists have tools that can take a precise look at a small slice of the brain (less than one cubic millimeter), or a blurred look at a larger area.

27 May 2016

Study reveals brain mechanism involved in switching between habitual behavior and decision-making

Not all habits are bad. Some are even necessary. It's a good thing, for example, that we can find our way home on "autopilot" or wash our hands without having to ponder every step. But inability to switch from acting habitually to acting in a deliberate way can underlie addiction and obsessive compulsive disorders.

27 May 2016

New computational model simulates how neurons in visual cortex process sensory stimuli

At any given moment, the neuronal circuits in the brain receive and process sensory information that permits us to perceive and interact with the environment. Yet it remains unclear how the visual brain processes natural stimuli.

24 May 2016

New mice study unveils mystery of why chronic stress, depression can lead to bone loss

A new study has helped to unveil the mystery of why chronic stress and depression can lead to bone loss and increase the risk of fractures.

19 May 2016

Women suffering from anorexia nervosa or obesity may respond differently to taste

Researchers at the University of Colorado Anschutz Medical Campus have discovered that women suffering from anorexia nervosa and those who are obese respond differently to taste, a finding that could lead to new treatments for the eating disorders.

17 May 2016

Exercise may help reduce toxicity caused by glutamate build-up in the brain

In a new study published today in Applied Physiology, Nutrition, and Metabolism, scientists from the University of Guelph have found that exercise has the potential to decrease toxic build-up in the brain, reducing the severity of brain disorders such as Huntington's disease.

17 May 2016

Exposing headache sufferers to pure-wavelength green light can lessen severity of migraines

Most migraine and post-traumatic headache sufferers find their headaches get worse in light, leading them to quit their most fundamental daily tasks and seek the comfort of darkness.

17 May 2016

Mouse models of Zika virus infection in pregnancy provide basis to develop vaccines, treatments

Two mouse models of Zika virus infection in pregnancy have been developed by a team of researchers at Washington University School of Medicine in St. Louis. In them, the virus migrated from the pregnant mouse's bloodstream into the placenta, where it multiplied, then spread into the fetal circulation and infected the brains of the developing pups.

12 May 2016

Brazilian strain of Zika virus can cause severe birth defects

Researchers at University of California San Diego School of Medicine, with colleagues in Brazil and Senegal, have described the first "direct experimental proof" that the Brazilian strain of Zika virus can actually cause severe birth defects. The findings are published in the May 11 online issue of Nature.

12 May 2016

Study explores neurological mechanisms in action during ketamine anesthesia

It's a topic that has long captivated doctors, scientists and the public — what exactly happens in your brain when you're oblivious on the operating table?

12 May 2016

Mice study reveals signs of stress-related early maturation in vital brain region

Intuition is all one needs to understand that stress in early childhood can create lifelong psychological troubles, but scientists have only begun to explain how those emerge in the brain.

11 May 2016

Researchers examine role of neural circuit in making decisions

Choosing what shirt to buy, what to order for lunch or whether to go with the hearty red wine or the lighter white all involve assigning values to the options. A small brain structure plays a central role in the many decisions like this we make each day. But it hasn't been clear how a limited number of neurons in this small part of the brain can support an unlimited number of choices.

10 May 2016

Transcranial direct current stimulation proves effective for binge-eating disorder

Transcranial direct current stimulation, or tDCS, has proved effective for binge-eating disorder for the first time, according to researchers at the University of Alabama at Birmingham.

10 May 2016

Implantable brain device shows promising results in animal study

An implantable brain device that literally melts away at a pre-determined rate minimizes injury to tissue normally associated with standard electrode implantation, according to research led by a team from the Perelman School of Medicine at the University of Pennsylvania.

6 May 2016

EPFL neuroscientists find that the brain can filter out cardiac sensations

Our heart is constantly beating yet we normally do not feel it. It turns out that our brain is capable of filtering out the cardiac sensation so that it doesn't interfere with the brain's ability to perceive external sensations. For the first time, researchers from the Center for Neuroprosthetics at EPFL have identified this mechanism. They discovered that a certain region in the brain determines where internal and external sensations interact. Their work appears in the Journal of Neuroscience.

5 May 2016

Cortex News and Research

Additional drug treatment options to prevent migraine may offer hope to sufferers

Researchers detect blood-brain barrier leakage in people with early AD using contrast-enhanced MRI

Researchers identify new genetic drivers of adrenal cancer

New study sheds light on link between gut microbiome and the brain

Study finds positive link between perceptual difficulty and insular cortex activity

Rockefeller scientists develop new technique that captures detailed snapshot of brain activity

Study reveals brain mechanism involved in switching between habitual behavior and decision-making

New computational model simulates how neurons in visual cortex process sensory stimuli

New mice study unveils mystery of why chronic stress, depression can lead to bone loss

Women suffering from anorexia nervosa or obesity may respond differently to taste

Exercise may help reduce toxicity caused by glutamate build-up in the brain

Exposing headache sufferers to pure-wavelength green light can lessen severity of migraines

Mouse models of Zika virus infection in pregnancy provide basis to develop vaccines, treatments

Brazilian strain of Zika virus can cause severe birth defects

Study explores neurological mechanisms in action during ketamine anesthesia

Mice study reveals signs of stress-related early maturation in vital brain region

Researchers examine role of neural circuit in making decisions

Transcranial direct current stimulation proves effective for binge-eating disorder

Implantable brain device shows promising results in animal study

EPFL neuroscientists find that the brain can filter out cardiac sensations

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