Articles tagged with Neurology
A UCL study found that uncertainty about receiving a painful electric shock leads to significantly more stress, even if the likelihood is low. The researchers tracked participants' stress levels and found they were better at guessing whether or not they would receive a shock when their uncertainty was high.
A study published in JAMA found that treatment with inhaled xenon gas combined with hypothermia resulted in less white matter damage among comatose survivors of out-of-hospital cardiac arrest. However, there was no significant difference in neurological outcomes or death at 6 months.
New research from Northwell Health found that nearly 6 in 10 stroke patients would prefer video conferencing after hospital discharge. Patients under 55 unanimously accepted the technology, citing its personal and informative benefits. The study suggests video calls could reduce hospital readmissions and improve medication compliance.
A recent animal study suggests that alcohol exposure before birth may impair kidney blood flow and amplify neurological problems caused by stroke. The research found increased arterial resistance within the kidneys and greater levels of impairment in mice exposed to alcohol in utero, with a significant impact on females.
A new Rutgers University study found that instant messaging at night negatively impacts teenagers' sleep health and school performance. Students who messaged for less than 30 minutes after lights out performed significantly better academically.
VIB researchers identify PHD1 as a potential therapeutic target for treating brain infarction and ischemic stroke. Inhibition of PHD1 offers protection against stroke via an unexpected mechanism, reprogramming glucose utilization to detoxify toxic oxygen radicals.
A Loyola University Medical Center study found that direct funduscopy exams are being performed infrequently among patients with headaches and altered mental status. The exam can detect neurological conditions, but valuable clinical information may be missed if not performed.
Researchers found that YouTube videos on peripheral neuropathy were often misleading, with alternative medicine being the most frequently cited treatment. Only a minority of treatment discussions were based on recommendations from the American Academy of Neurology.
A recent study published in Neurology found that only a quarter of headache clinical trials were registered in an approved clinical trial registry, despite a 2005 decision by major medical journals to prioritize trial registration. The study suggests significant selective reporting and potential issues with the peer review process.
A young adult developed clonic seizures while trying to solve Sudoku puzzles after being exposed to oxygen deficiency during an avalanche. The patient stopped solving the puzzle and has been seizure-free for over five years.
Brown University researchers have created a new optoelectronic device that can stimulate multiple neuronal targets optically and record the effects in millisecond precision. This breakthrough allows scientists to control brain cell activity using specific spatial patterns of light pulses, enabling the study of neural circuits and netwo...
Researchers at RIKEN Brain Science Institute found that two forebrain regions determine whether males exhibit paternal or infanticidal behavior. Activity patterns in these regions were associated with paternal behavior and inhibited infanticide.
Researchers at Brown University used optogenetics to manipulate the brain's perception of novelty and familiarity in rats. They found that different frequencies of light stimulation could alter the rats' behavior, with 30-40 hertz inducing a sense of novelty and 10-15 hertz inducing a sense of familiarity.
A study of nearly 26,000 patients found that DNR orders were not aligned with their predicted neurological survival rates, particularly for those with the worst prognosis. Patients without DNR orders had a significantly higher rate of favorable neurological survival.
A study published in JAMA Neurology found that patients with asymptomatic carotid stenosis are not significantly harmed by medical therapy and may even benefit from more intensive treatment. The study's findings suggest that preventing carotid occlusion may not be a valid indication for stenting or endarterectomy.
A sub study of the MR CLEAN trial found that patients with larger thrombi had better neurological recovery after intra arterial treatment. Thrombi size was associated with clinical outcome, and retrieving larger pieces may lead to improved patient results.
A study of over 17,000 patients found that nearly all survivors were achieved within 35 minutes of CPR, with longer resuscitation efforts offering little benefit. The researchers recommend continuing CPR for at least 35 minutes in out-of-hospital cardiac arrest cases to achieve maximum survival and favorable neurological outcomes.
A Swedish study found inadequate levels of iodine among pregnant women, highlighting the need for targeted interventions to optimize nutrition during pregnancy. The median urinary iodine concentration was significantly lower than recommended minimum levels.
Researchers have identified a specific part of the brain, the superior temporal sulcus (STS), that is exclusively dedicated to processing speech. The study found activity in this region only when subjects were presented with speech sounds, suggesting a specialized role in detecting spoken words.
A recent study published in JAMA Neurology found that former NFL players who lost consciousness due to concussion during their playing days showed key differences in brain structure later in life. The hippocampus, a part of the brain involved in memory, was found to be smaller in these athletes compared to a control group.
Scientists developed a novel adaptive-control approach to mimic synapses in the human brain. This method uses memristors, which display resistance dependent on past states, enabling anti-synchronisation phenomena and improving system stability.
A study found that smaller volumes in certain brain regions, such as the amygdala and medial prefrontal cortex, predict an increased likelihood of escalating stimulant use. Researchers identified individual differences in brain structure as potential biomarkers for vulnerability to drug addiction.
Researchers at the University of Montreal have discovered that astrocytes control the pattern of neuronal electrical activity, determining functions such as chewing, locomotion, and respiration. The study reveals a mechanism by which astrocytes regulate calcium levels, leading to changes in neural function.
A nationwide sample of patients in Sweden with biopsy-certified celiac disease were examined to identify the risk of developing neuropathy. The study found a significant association between celiac disease and an increased risk of neuropathy, with absolute risks of 64 per 100,000 person-years for those with celiac disease.
A study by Loyola University Medical Center resident neurologists found that simulation-based education significantly improved the knowledge, skills, and confidence of first-year neurology residents treating stroke patients in the emergency department. The study resulted in a 16.1% improvement on a multiple-choice test about treating s...
TOPOFEN, a proprietary gel formulation of ketoprofen, has demonstrated greater improvement in pain assessments and faster time to pain response compared to placebo in moderate and severe migraine sufferers. The study results suggest that TOPOFEN can be a safe and effective alternative treatment for patients suffering from acute migraine.
A clinical trial found that targeted temperature management at 33°C or 36°C did not significantly impact cognitive function and quality of life in patients with cardiac arrest. However, many patients reported impairment despite similar scores on outcome scales.
Researchers at UCI School of Medicine found a potential cause for cryptogenic strokes in 23% of patients with a left atrial septal pouch. The pouch's cul-de-sac nature may promote blood stagnation and clot formation, leading to stroke.
Researchers identified HIV replication in the brain as early as four months post-infection, with 20% of participants exhibiting central nervous system (CNS) replication. This finding highlights the importance of routine HIV testing and prompt initiation of antiretroviral therapy to prevent neurocognitive impairment.
Researchers suggest that increased schooling and mentally challenging problems tackled in schools contribute to the dramatic rise in IQ scores, known as the Flynn Effect. This finding supports the idea that environment plays a stronger role in intelligence than previously thought.
Scientists at TUM discovered that brain activity changes when transitioning from sensory to emotional processing during prolonged pain. The experiment showed that nerve cells in the brain trigger a different pattern of activity after applying a placebo cream, reducing perceived pain.
Researchers at UTHealth successfully enrolled patients from other hospitals into an acute stroke clinical trial using telemedicine. This breakthrough enables the study of stroke treatment on a larger scale, as it was previously limited to large centers with expertise in treating strokes quickly.
Researchers at the University of Bonn found that traffic light labels are more effective in helping consumers resist high-calorie foods than traditional nutrition labels. The study participants were willing to pay significantly more for healthy products with green labels and less for unhealthy products with red labels.
A new Northwestern Medicine study found that low-dose VM202 gene therapy significantly improves pain symptoms and perception of light touch in patients with painful diabetic neuropathy. The treatment has virtually no side effects, offering hope for a potential new treatment for this debilitating condition.
A new study found that cerebral blood flow recovery is a biomarker of concussion outcomes in college football players. The research, published in JAMA Neurology, suggests that reduced blood flow in the brain can indicate severity and potential for slow recovery.
A new study by Loyola University Medical Center shows that using high-fidelity patient simulators can significantly improve the knowledge, skills, and confidence of first-year neurology residents. The study found a 16.1% improvement in multiple-choice tests about treating stroke patients.
Researchers found that treating the uninjured side of the brain can boost growth factors and create new blood vessels, aiding stroke recovery. This approach also benefits the uninjured side with a boost of growth factors.
Research on 224 professional fighters found smaller brain volumes and slower processing speeds associated with repeated head blows. Higher Fight Exposure Scores were linked to greater cognitive impairment and mental slowing.
A recent study published in JAMA Neurology found that carotid artery stenting had a 32% mortality rate among Medicare beneficiaries over a two-year follow-up. The study's findings suggest that the benefits of stenting may be limited for high-risk patients, highlighting the need for further research on real-world outcomes.
A 4-year-old boy experienced a stroke after riding roller coasters, likely caused by a tear in his carotid artery. The incident highlights the risk of carotid artery dissection in children due to sudden movements. Previous reports have mostly focused on adult riders, making this case one of the youngest reported.
A new study published in Neurology eliminated hepatitis C virus as a cause of mental impairment in HIV patients. The research, conducted by a team of scientists at Washington University School of Medicine, involved 1,582 HIV patients and found no evidence that hepatitis C infection affects the brain.
Researchers found that alcohol interferes with the body's natural sleep-regulating mechanism, altering sleep patterns and causing disrupted sleep. The study suggests that drinking alcohol to fall asleep can have negative consequences on sleep quality and overall health.
Researchers have rediscovered a large fiber pathway in the brain that was previously unknown, despite being visible in dozens of MRI scans. The vertical occipital fasciculus plays a role in visual processing and perception, and an algorithm has been developed to identify and measure its properties.
A specialized ambulance staffed with a neurologist and equipped with a computed tomographic scanner increased the percentage of stroke patients receiving thrombolysis within the golden hour, reducing time to treatment by 24.5 minutes. This approach improved short-term outcomes without increasing risks for mortality.
A recent traumatic brain injury (TBI) is associated with an increased risk of developing dementia in middle-aged and older adults. The study found that moderate to severe TBI was linked to higher dementia rates at age 55, while mild TBI at age 65 increased the risk.
A new study shows that adding extracorporeal membrane oxygenation (ECMO) during CPR significantly improves survival rates and neurological recovery in cardiac arrest patients. In a study of 100 ECMO procedures, 53% of patients were discharged with full neurological recovery.
The EyeCane device translates point-distance information into auditory and tactile cues, enabling users to better estimate distance and navigate their environment. After less than five minutes of training, both blind and blindfolded individuals successfully estimated distances almost 70% of the time.
Research finds vitamin D deficiency significantly increases poor brain function and mortality after cardiac arrest. Patients with low vitamin D levels had a sevenfold higher chance of poor neurological outcome and nearly one-third died within six months.
Researchers from the University of Pennsylvania have discovered that the brain uses geometric relationships to create a mental compass, enabling people to navigate and orient themselves in their environment. The study, led by Russell Epstein and Steven Marchette, used fMRI scans to analyze the retrosplenial complex region of the brain.
Researchers found that curiosity helps learn about a topic and memorize unrelated information, with increased activity in brain regions involved in reward and memory. Curiosity also enhances learning in the classroom and workplace.
A recent study published in JAMA Neurology found that patients treated with statins after suffering a hemorrhagic stroke were more likely to survive than those who weren't. The researchers also discovered that stopping statin treatments for these patients may carry substantial risks.
A new study reveals that the US physician payment system is not inherently biased towards surgeons and procedure-performing doctors. The difference in pay between specialties arises mostly from differences in the number of minutes allocated to each service by Medicare's formula, which takes into account estimated times for work.
Researchers discovered a unique population of neurons in the lateral intraparietal area that shift their sensitivity to color and direction based on what's being attended. This study provides new insights into how the brain combines visual information for decision-making and higher-order processes.
A new study by Northwestern University finds that office workers with natural light exposure have longer sleep duration, better sleep quality, more physical activity, and improved quality of life. The study suggests that architects should prioritize natural daylight exposure in office environments to boost employee health.
A new study found that staff members who joined structured team debriefings after emergency care for children suffering in-hospital cardiac arrests improved their CPR performance. The study also showed substantial increases in patients surviving with favorable neurological outcomes, up to 50 percent among the intervention group.
A new study published in JAMA Neurology found no significant difference in overall disability between military personnel with mild traumatic brain injury (TBI) from blast and non-blast causes. Both groups suffered moderate to severe disabilities, as well as similar rates of depression, PTSD, and cognitive impairment.
Scientists at TUM successfully demonstrated brain-controlled flight with high precision, exceeding requirements for a flying license test. They achieved this by using electroencephalography to convert brain waves into control commands, allowing pilots to control the plane without touching pedals or controls.
A study published in JAMA found that conservative management of brain arteriovenous malformations (abnormal connections between arteries and veins) was associated with lower rates of stroke and death compared to interventional treatment. The study followed 204 patients for up to 12 years, finding a significant reduction in nonfatal str...
A specialized ambulance equipped with a CT scanner, laboratory, and telemedicine connection was shown to reduce treatment time for ischemic stroke patients. The study found that the average alarm-to-treatment time decreased by 25 minutes, and the rate of thrombolysis increased from 21% to 33%.
Scientists have discovered new types of neurons in zebrafish brains that help them perceive and compensate for self-motion. These neurons enable the fish to stabilize their position and gaze during movements, preventing drift in the current.