A new study finds that people whose sleep is fragmented during the night are at higher risk of experiencing a migraine episode not the next day, but the day after that. Fragmented sleep might trigger migraine 2 days later, research finds. Dr. Suzanne Bertisch — a physician and clinical investigator in the Division of Sleep...
Category: <span>Neuroscience</span>
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Inputs to the motor cortex make dexterous movements possible in mice
HOWARD HUGHES MEDICAL INSTITUTE In a sleepy haze, reaching out and grabbing the coffee cup in front of you seems to happen on autopilot. But your caffeine-deprived brain is working hard. It’s collecting sensory information and other kinds of feedback – clues about where your arm is in space relative to the mug – and...
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A molecular map of the brain’s decision-making area
KAROLINSKA INSTITUTET Researchers at Karolinska Institutet have come one step closer toward understanding how the part of our brain that is central for decision-making and the development of addiction is organized on a molecular level. In mouse models and with methods used for mapping cell types and brain tissue, the researchers were able to visualize...
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Motor neurone disease linked to cholesterol imbalance in cells
Scientists have developed a new theory on the underlying cause of motor neurone disease, which could lead to more accurate diagnosis for patients and new treatments. A team at the University of Exeter has found evidence that the condition is caused by an imbalance in cholesterol and other fat levels in the compartments of the...
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Can brain injury from boxing, MMA be measured?
by American Academy of Neurology For boxers and mixed martial arts (MMA) fighters, is there a safe level of exposure to head trauma? A new study shows different effects in the brain for younger, current fighters compared to older, retired fighters. The study is published in the December 23, 2019, online issue of Neurology, the medical journal...
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Child brain is not just an adult brain in a smaller size
by University of Jyväskylä Researcher Sam van Bijnen instructs a child subject in the MEG laboratory. Credit: Petteri Kivimäki A study at the University of Jyväskylä indicated that children’s brains have special features not found in adult brains. For the brain, childhood and youth are special stages, as the neural networks are then especially adaptable and...
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Prospective memory key to performance of everyday life activities in multiple sclerosis
by Kessler Foundation Dr. Weber is a research scientist in the Center for Traumatic Brain Injury Research. Credit: Kessler Foundation Kessler Foundation researchers reported results of a study of deficits in prospective memory in individuals with multiple sclerosis (MS) that may contribute to difficulties with everyday life activities. The article, “Time-based prospective memory is associated...
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Aptar’s Nasal Unidose Device Helps Stop Epileptic Seizures
MEDGADGET EDITORS MEDICINE, NEUROLOGY, NEUROSURGERY AptarGroup, a company based outside of Chicago, Illinois, has announced that the FDA recently approved a medication (NAYZILAM (midazolam)) for treatment of acute repetitive epileptic seizures and that the company’s Unidose Liquid System was chosen as the delivery mechanism for this rescue drug. The Unidose Liquid System doesn’t require priming and can be...
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Could some people with schizophrenia in poorer nations simply have a vitamin deficiency?
by University of Toronto Four unsolved mysteries around schizophrenia have long plagued the medical community, but a new hypothesis identifying a common link between them and an almost forgotten epidemic of a disease called pellagra could have profound implications for our understanding of psychosis in poorer nations. The new hypothesis has implications for how a subgroup...
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Emergency department study reveals patterns of patients at increased risk for suicide
by National Institutes of Health A new study found that people who presented to California emergency departments with deliberate self-harm had a suicide rate in the year after their visit 56.8 times higher than those of demographically similar Californians. People who presented with suicidal ideation had suicide rates 31.4 times higher than those of demographically...