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Low doses of antianxiety drugs rebalance the autistic brain

Posted: Published on March 19th, 2014

PUBLIC RELEASE DATE: 19-Mar-2014 Contact: Mary Beth O'Leary moleary@cell.com 617-397-2802 Cell Press New research in mice suggests that autism is characterized by reduced activity of inhibitory neurons and increased activity of excitatory neurons in the brain, but balance can be restored with low doses of a well-known class of drugs currently used in much higher doses to treat anxiety and epileptic seizures. The findings, which are reported in the March 19th issue of the Cell Press journal Neuron, point to a new therapeutic approach to managing autism. "These are very exciting results because they suggest that existing drugscalled benzodiazepinesmight be useful in treatment of the core deficits in autism," says senior author Dr. William Catterall of the University of Washington, in Seattle. In addition to finding that mice with autistic characteristics had an imbalance between the inhibitory and excitatory neurons in their brains, Dr. Catterall and his team found that reducing the effectiveness of inhibitory neurons in normal mice also induced some autism-related deficits in social behavior. Classical benzodiazepine drugs had the opposite effect, increasing the activity of inhibitory neurons and diminishing autistic behaviors. "Our results provide strong evidence that increasing inhibitory neurotransmission is an effective approach to improvement of … Continue reading

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140314 ABC News 24 Save a minute – save a day: World first stroke study – Video

Posted: Published on March 19th, 2014

140314 ABC News 24 Save a minute - save a day: World first stroke study World first study conducted by The Royal Melbourne Hospital, The Florey Institute and the University of Melbourne that proves the sooner you get to hospital ... By: Royal Melbourne Hospital … Continue reading

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Most U.S. Women Wouldn't Know A Stroke If They Saw Or Felt One

Posted: Published on March 19th, 2014

hide captionThe rupture of a weakened portion of blood vessel (the dark blue spot in this brain scan of a 68-year-old woman) can prompt bleeding and death of brain tissue a stroke. The rupture of a weakened portion of blood vessel (the dark blue spot in this brain scan of a 68-year-old woman) can prompt bleeding and death of brain tissue a stroke. When it comes to treating a stroke victim, every minute counts. Each moment that passes without treatment increases the likelihood of permanent damage or death. So the first steps to getting help are being able to spot a stroke in yourself or others and knowing how to respond. But a study published Wednesday in the journal Stroke finds that 1 in 5 U.S. women can't identify a single warning sign even though stroke is the fourth leading cause of death among Americans and the third among women, affecting roughly 55,000 more women than men each year. The classic symptoms of a drooping face, speech difficulty or weakness or numbness in one of the arms can be signs of stroke, says Heidi Mochari-Greenberger, an epidemiologist at Columbia University and the study's lead author. That means your brain isn't … Continue reading

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Stroke patient feedback to be used to improve care in Worcestershire

Posted: Published on March 19th, 2014

Stroke patient feedback to be used to improve care in Worcestershire 12:23pm Wednesday 19th March 2014 in News FEEDBACK from stroke patients in Worcestershire is to be used to improve services in the county. Worcestershires three Clinical Commissioning Groups have secured a bid from NHS England to develop a local pilot of the national Friends and Family Test. The 12-week pilot called the Stroke Pathway Friends and Family Test will work in partnership with NHS organisations such as the Stroke Association to collate feedback from patients about the care they received throughout all stages of their treatment. NHS South Worcestershires director of quality and executive lead nurse Mari Gay said she was delighted the test was being piloted in the county. The views of patients are critical in gaining a comprehensive understanding of their journey and specific support needs for the development of our stroke services, she said. The Friends and Family Test is a national patient experience initiative which looks at specific areas which looks at specific wards. Were taking that further with this pilot programme and looking at the whole patient pathway to capture their experience across their healthcare journey. We look forward to working with our partner … Continue reading

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US women unfamiliar with most stroke warning signs

Posted: Published on March 19th, 2014

Many U.S. women don't know most of the warning signs of a stroke, according to research presented at the American Heart Association's Epidemiology and Prevention/Nutrition, Physical Activity and Metabolism 2014 Scientific Sessions. The study is also published in the American Heart Association journal, Stroke. In a phone survey of 1,205 U.S. women: Less than a fourth identified other signs of a stroke, including: Hispanic women were less likely than others to know most of the warning signs of a stroke -- 25 percent did not know any, compared to 18 percent for whites and 19 percent for blacks. . Despite not knowing the warning signs, 84 percent of the women knew the importance of calling 9-1-1 if they thought they were having a stroke. "This lack of recognition of stroke signs and symptoms could be a significant barrier to reducing death and disability related to stroke in the United States," said Lori Mosca, M.D., M.P.H., Ph.D., principal investigator of the study. "This is critically important because delays in getting care costs lives and hinders functional recovery." Stroke affects more women than men, is the fourth-leading overall cause of death in the United States -- the third leading cause of death … Continue reading

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Neuroscience: Tuning the brain

Posted: Published on March 19th, 2014

Illustration by Chad Hagen For Frank Donobedian, sitting still is a challenge. But on this day in early January, he has been asked to do just that for three minutes. Perched on a chair in a laboratory at Stanford University in California, he presses his hands to his sides, plants his feet on the floor and tries with limited success to lock down the trembling in his limbs a symptom of his Parkinson's disease. Only after the full 180 seconds does he relax. Other requests follow: stand still, lie still on the floor, walk across the room. Each poses a similar struggle, and all are watched closely by Helen Bronte-Stewart, the neuroscientist who runs the lab. You're making history, she reassures her patient. Everybody keeps saying that, replies the 73-year-old Donobedian, a retired schoolteacher, with a laugh. But I'm not doing anything. Well, your brain is, says Bronte-Stewart. Like thousands of people with Parkinson's before him, Donobedian is being treated with deep brain stimulation (DBS), in which an implant quiets his tremors by sending pulses of electricity into motor areas of his brain. Last October, a team of surgeons at Stanford threaded the device's two thin wires, each with four … Continue reading

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The brain-pacers

Posted: Published on March 19th, 2014

An American news correspondent, Bob Woodruff of ABC TV, suffered a brain injury in 2006 from a roadside bomb while covering the Iraq war. The injury was so severe that part of his skull was removed and he was kept in an induced medical coma for about a month. Many believed that he would never walk again. However, after more than a year of intensive treatment that included relearning of speech, he was able to eventually return to work as a reporter and produced a documentary about injuries in American soldiers and the lack of care of the US government. Woodruffs recovery is a great example of how an adult with an injured brain can come back to a productive life which, only a few decades ago, was not believed to be possible. Every morning when you wake up, you are physically a different person. Yes, you are a new creature when examined under an electronic microscope. One obvious change is your hair. It grows every day, and this is the reason men and women have it trimmed regularly. The covering of our body, the skin, also changes regularly in its outermost cells called the epidermis. You cannot see it … Continue reading

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Senate bill would provide free treatment to veterans with traumatic brain injury

Posted: Published on March 19th, 2014

When Capt. Matt Smothermon came home from a deployment to Afghanistan with the Oklahoma National Guards 45th Infantry Brigade Combat Team, he wasnt the same person. He suffered debilitating headaches and couldnt think properly. He had a hard time focusing, he said, and social situations became difficult to handle. Things got bad, he said. Speaking at a news conference Wednesday, Smothermon credited a relatively new type of treatment for giving him his life back. State lawmakers are seeking to make that treatment available at no cost to other veterans with traumatic brain injury. While in Afghanistan, Smothermon was a platoon leader on a route clearance team, searching for roadside bombs. After surviving three separate bomb blasts, he was hospitalized and diagnosed with traumatic brain injury. When he returned home, Smothermon noticed the lasting effects the injury had on his cognitive and social skills. Hed been in law school when he deployed, but didnt see a way he could finish. He decided to undergo hyperbaric oxygen therapy through the Oklahoma State University Center for Health Sciences. He noticed a difference almost immediately, he said. He began to regain his cognitive and social skills. After 40 rounds of the treatment, he was … Continue reading

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Double Duty Drug: Statins May Fight MS

Posted: Published on March 19th, 2014

Mar 19, 2014 8:38am Cholesterol-busting statins show promise for multiple sclerosis. (Image credit: Eric Audras/Getty Images) By Neha Sharma, D.O. Cholesterol-busting statins may have an unexpected benefit for patients with multiple sclerosis, a new study found. Researchers in the U.K. studied 140 patients diagnosed with the most severe form of the disease, known as secondary progressive MS.They found that high doses of statins about double the average amount that patients take to keep their cholesterol levels in check reduced the rate of brain shrinkage in these patients. I see hundreds of patients with secondary progressive MS in my clinic, said Dr. Jeremy Chataway, a neurologist at the National Hospital for Neurology and Neurosurgery in London and lead author of the study, published Tuesday in The Lancet. These patients are physically disabled and have no treatment,Chataway added, calling the studyan exciting first step. Learn more aboutmultiple sclerosis. Statin treatment led to a 43 percent reduction in the rate of brain shrinkage in the patients in the study, according to Chataway. The hope is that putting the brakes on this shrinkage will slow the progression toward physical disability. Neurology experts not involved with the research said the new findings are promising but … Continue reading

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Inexpensive statins new hope to MS sufferers

Posted: Published on March 19th, 2014

Inexpensive statins new hope to MS sufferers Thursday, March 20, 2014 An inexpensive cholesterol- lowering pill may offer new hope to patients with progressing multiple sclerosis (MS), research suggests. By John von Radowitz Patients in the MS trial were randomly assigned to treatment with either an 80mg dose of the drug or a dummy placebo pill. All 140 participants had secondary progressive MS, a form of the disease marked by worsening symptoms and increased disability. Over a period of two years, patients treated with simvastatin suffered 43% less brain shrinkage than those given the placebo. The patients also achieved significantly better scores in movement tests and questionnaire-based disability assessments. Previous research has linked increased brain wasting due to MS with greater disability. Study co-author Dr Richard Nicholas, from Imperial College London, said: At the moment, we dont have anything that can stop patients from becoming more disabled once MS reaches the progressive phase. See the original post here: Inexpensive statins new hope to MS sufferers … Continue reading

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