Last update Posttraumatic stress affects academics, 40 minutes ago
We are all familiar with the drawbacks of dehydration, but we rarely hear about the harmful effects of overhydration. For one, excess fluid accumulation can lead to dangerously low sodium levels in the blood or hyponatremia—a ...
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Using male individuals has long been a tradition in scientific mice studies. But new research enforces the importance of using a balanced population of male and female mice.
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Scientists at Karolinska Institutet in Sweden and University of North Carolina have identified the cell types underlying schizophrenia in a new study published in Nature Genetics. The findings offer a roadmap for the development ...
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Cranking up your headphones or scrambling for a front-row spot at rock shows could be damaging more than your hearing.
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One of the promising non-invasive brain therapeutic methods is the repetitive transcranial magnetic stimulation (rTMS). During such a procedure, a magnetic coil is placed near the head of the patient and a magnetic pulse ...
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Scientists have just discovered that a small region of a cellular protein that helps long-term memories form also drives the neurodegeneration seen in Amyotrophic Lateral Sclerosis (ALS). This small part of the Ataxin-2 protein ...
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The Computer Science and Engineering Research Team at the Toyohashi University of Technology have taken pupil measurements of subjects who feel inspired by an object. The pupil dilates and narrows to adjust the amount of ...
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Researchers at the University of California, Irvine School of Medicine have discovered the first example of a novel mode of neurotransmitter-based communication. The discovery, published in Nature Communications, challenges ...
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In a first-of-its-kind finding, a new stroke-healing gel helped regrow neurons and blood vessels in mice with stroke-damaged brains, UCLA researchers report in the May 21 issue of Nature Materials.
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After a plane engine blew apart at 32,000 feet in the air last month, the pilot flying Southwest Flight 1380 safely brought the Boeing 737 to an emergency landing in Philadelphia. Captain Tammie Jo Shults was heralded a hero, ...
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Risk factors for heart disease and stroke appear to hasten the risk of cognitive decline in normal older individuals with evidence of very early Alzheimer's-disease-associated changes in the brain. Vascular risk factors increase ...
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A novel light therapy is being investigated as an alternative to prescription drugs to relieve chronic constipation and other intestinal disorders which affect millions of patients around the world.
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(HealthDay)—Various clinical symptoms precede the diagnosis of multiple sclerosis (MS) by several years, according to a study published online May 8 in the Annals of Neurology.
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Your brain is a fascinating piece of machinery. It has remarkable capacity for development. Very subtle changes in how the brain develops, or in how it responds, can lead to us experiencing the world in vastly different ways. ...
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Innate fear is an essential emotion for animals to avoid danger in a severe natural environment. Rodents kept in a laboratory also show instinctive fear behavior against the smell of predators such as foxes, cats or snakes ...
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A reward center in the brain—the nucleus accumbens (NAc)—integrates inputs from multiple brain regions to drive motivated behaviors. Metabotropic glutamate (mGlu) receptors regulate the strength of neuronal connections ...
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A study of epilepsy patients with implanted electrodes provides an unprecedented view of the changes in brain activity created by electrical stimulation. These findings, published in JNeurosci, have the potential to improve ...
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A difficult task that requires participants to determine which of two stimuli appears first demonstrates how varying rhythms of brain activity may be synchronized to achieve a stable sense of time. The research is published ...
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A study of two closely-related frog species reveals a population of neurons that give rise to the unique mating calls of each species. Published in JNeurosci, the findings suggest that changes in the properties of these cells ...
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Fresh insight into how the brain responds to medically induced cooling could inform treatments for head injuries and conditions such as stroke.
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Chronic social isolation has debilitating effects on mental health in mammals—for example, it is often associated with depression and post-traumatic stress disorder in humans. Now, a team of Caltech researchers has discovered ...
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With the help of a quarter-million video game players, Princeton researchers have created and shared detailed maps of more than 1,000 neurons—and they're just getting started.
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To carry out any action, whether playing the piano or dancing the jitterbug, the brain must select and string together a series of small, discrete movements into a precise, continuous sequence.
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Cannabidiol (CBD), a compound derived from the cannabis plant that does not produce a "high" and has been an increasing focus of medical research, was shown in a new large-scale, randomized, controlled trial to significantly ...
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Whether you learn to play a musical instrument or speak another language, you're training your brain to be more efficient, suggests a Baycrest study.
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An international study led by biochemists at the University of Liverpool has shown that the drug-molecule ebselen can correct many of the toxic characteristics of a protein that causes some cases of hereditary motor neurone ...
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The more intelligent a person, the fewer connections there are between the neurons in his cerebral cortex. This is the result of a study conducted by neuroscientists working with Dr. Erhan Genç and Christoph Fraenz at Ruhr-Universität ...
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One of the most frequent causes of drug-resistant epilepsy, considered a difficult disease to control, is a brain malformation known as focal cortical dysplasia. Patients with this problem present with discreet disorganization ...
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Our brains are obsessed with being social even when we are not in social situations. A Dartmouth-led study finds that the brain may tune towards social learning even when it is at rest. The findings published in an advance ...
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Gamma-Aminobutyric acid (GABA) is the primary inhibitory neurotransmitter in the brain. It is the control knob of all control knobs. But why GABA? What, if anything, might be so special about the molecule?
Researchers from McMaster University and the Firestone Institute for Respiratory Health at St. Joseph's Healthcare Hamilton, together with colleagues at other partnering institutions, have developed a new method to treat ...
It can be distressing to witness the pain of family, friends or even strangers going through a hard time. But what if, just like strengthening a muscle or learning a new hobby, we could train ourselves to be more compassionate ...
Posttraumatic stress disorder (PTSD) caused by traumatic military experiences is associated with feelings of anxiety, anger, sadness and/or guilt. New Penn State research is evaluating how PTSD symptoms increase risks for ...
In one of the first studies to try to map a gun market using network science, researchers used the novel scientific approach to understand how close offenders are to guns in the city of Chicago.
A team of scientists led by University of Montana cell biologist Mark Grimes has identified networks inside lung cancer cells that will help understand this cancer and fight it with drug treatments.
LSTM's Dr. Maxine Caws is co-lead investigator on an advanced genetics study published in Nature Genetics, which has shown that a virulent strain of tuberculosis (TB) has adapted to transmit among young adults in Ho Chi Minh ...
Scientists have identified the mechanism that allows breast cancer cells to lie dormant in other parts of the body only to reemerge years later with lethal force, according to a study published Tuesday.
The mechanism our immune cells use to clear bacterial infections like tuberculosis (TB) might also be implicated in Parkinson's disease, according to a new collaborative study led by scientists from the Francis Crick Institute ...
We know a lot about how genes get passed from parent to child, but scientists are still unraveling how so-called epigenetic information—instructions about which genes to turn on and off—is conveyed from generation to ...
It all began with one young patient; a 7-year old boy who was born without a thymus, an important organ of the immune system, and without functional immune cells. The boy also presented with cardiac and skeletal defects, ...
Though mutations in a gene called MLL3 are common across many types of cancers, their relationship to the development of the disease has been unclear. Now, a Northwestern Medicine study has identified an epigenetic imbalance ...
Shuttering coal- and oil-fired power plants lowers the rate of preterm births in neighboring communities and improves fertility, according to two new University of California, Berkeley, studies.
(HealthDay)—Nearly 70 percent of Colorado marijuana dispensaries recommended pot products to manage early pregnancy-related morning sickness, new research reveals.
Each year in the U.S., more than 300,000 people have heart surgery. To reduce risk of stroke for their patients, surgeons often will close the left atrial appendage, which is a small sac in the left side of the heart where ...
(HealthDay)—The incidence of hospitalization for diabetic ketoacidosis (DKA) and associated costs increased from 2003 to 2014, according to a study published online May 17 in Diabetes Care.
Thanks to advances in the development of anti-retroviral therapy (ART), patients with HIV are living longer than ever before. And yet, even in patients on very effective, long-term ART, HIV persists, requiring patients to ...
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