Articles tagged with Neurology
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 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.
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.
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.
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.
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 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.
A recent study found that Mexican-Americans experience moderate functional disability and nearly one-third develop post-stroke dementia. They also score worse on measures of daily living activities and cognition. The study highlights the need for intervention strategies to improve recovery among this population.
Researchers at Henry Ford Hospital found that the peptide AcSDKP provides neurological protection when administered after a stroke, reducing neurovascular damage and improving outcomes. The study also showed that combining AcSDKP with tPA extended the therapeutic window for up to four hours after stroke.
A new study challenges the use of mortality as a measure of stroke care quality, citing variations in do-not-resuscitate orders that can significantly skew hospital rankings. The researchers found a wide range of variation in early DNR use, with hospitals using them an average of 2.2-23.2% of the time.
Research finds that people with stroke-related brainstem injuries have a significantly higher risk of developing sleep apnea. Among the 355 study participants, 84% with brainstem injury had sleep apnea compared to 59% without brainstem involvement.
A patient with 'word blindness' was able to learn a new technique that enables her to recognize and read words through tactile skills. The technique, which involves tracing letters of the alphabet, was effective in helping her regain reading abilities.
The study found that practicing different types of math skills can lead to expertise in those areas. This approach helps students identify their strengths and weaknesses, allowing them to focus on areas where they need improvement.
A study investigates how athletes' high-level motor expertise affects the brain's understanding of actions. The research reveals that expert subjects showed a modulating effect on motor activity in response to positive but impossible commands.
Two healthy young siblings experienced acute ischemic strokes soon after smoking synthetic marijuana, highlighting the risks of this illicit drug. The study urges physicians to be aware of the potentially toxic effects of recreational synthetic drugs and to ask about pot and spice use in patients.
A trial of 1,359 cardiac arrest patients found that prehospital cooling did not improve survival to hospital discharge or neurological outcome. The intervention reduced core temperature by more than 1°C, but the results do not support routine use of cold intravenous fluid in the prehospital setting.
A multicenter clinical trial compared mechanical chest compressions with manual CPR and found that neither approach improved 4-hour survival rates. However, patients receiving mechanical chest compressions had a higher proportion of survivors with good neurological outcomes, suggesting potential benefits in specific patient populations.
Scientists at EMBL discovered that different brain regions handle various fears, with mice displaying distinct brain activity responses to threats from same-species and predator species. This finding could lead to targeted treatments for specific phobias and panic attacks in humans.
New research reveals that sleep plays a crucial role in consolidating visual task learning through specific brain frequencies. Brainwaves of 15 volunteers were measured during sleep and training to demonstrate increased sigma power in the visual cortical area, leading to improved performance on the task.
Cerebral microbleeds are common in older individuals and can contribute to neurological changes. Researchers recommend considering microbleeds when treating other brain-related issues like stroke.
Researchers pinpointed the precise cellular connections responsible for triggering overeating behavior in mice, suggesting a neurological basis for obesity and eating disorders. The study highlights a potential target for drug treatments to correct malfunctioning brain circuits.
Researchers at CU-Boulder demonstrated that brains use a pointer system similar to computers to understand novel situations. The brain's connections between the prefrontal cortex and basal ganglia play a key role in processing sentences with unfamiliar words.
A recent study published in Cell Reports identified a protein called RIP1 as a key regulator of cell division and death in glioblastoma cells. The researchers found that switching off RIP1 can inhibit the growth of these aggressive brain tumors, offering new hope for treatment options.
A recent report by the American Academy of Neurology highlights a significant increase in strokes among adolescents and young adults, with approximately 532,000 cases occurring between ages 18-44 in the US. The study emphasizes the need for greater awareness and research into reducing the economic burden of strokes on this age group.
Researchers used magnetoencephalography to track brain activity at high temporal resolution, revealing new distinctions in resting and active brain regions. The study provides novel insights into how brain networks function in cooperative groups, which is essential for better diagnosis and treatment of brain injuries.
Scientists from EPFL's Blue Brain Project and the Allen Institute join forces to simulate brain wave behavior using a detailed computer model. The simulation reveals similarities between modeled brain activity and measured EEG signals in rodents, offering insights into the neural circuitry behind brain waves.
A study found that electroacupuncture at specific points (Baliao and Huiyang) improved cystometric capacity, decreased detrusor leak point pressure, and treated post-stroke detrusor overactivity. The treatment significantly enhanced bladder function in patients with this condition.
A citywide policy recommending pre-hospital triage of suspected stroke patients led to increased use of intravenous tissue plasminogen activator (tPA) and emergency medical services. Admissions for stroke and transient ischemic attack also increased, with faster onset-to-treatment times.
A study found that only 2% of hospital cardiac arrest patients received therapeutic hypothermia, despite its proven potential to improve survival and neurological function. The lack of data and guidelines may contribute to the low use of this treatment.
The guideline advises that taking aspirin or warfarin before dental procedures, cataract surgery, and dermatologic procedures is likely safe. However, patients undergoing procedures like retinal surgery or orthopaedic hip procedures may experience increased bleeding risk.
Researchers developed a new model that integrates both historical and psychological perspectives on art appreciation. This approach acknowledges the importance of artistic understanding in assessing value and meaning, and can be applied to various forms of art.
EPFL scientists have identified the molecular basis behind sulfonamide antibiotics' neurological side effects, which can include nausea, hallucinations, and psychosis. By understanding how sulfonamides interact with a patient's nervous system, doctors may be able to customize therapeutic regimes to minimize these side effects.
A Wake Forest University researcher and four colleagues found that measurements of brain activity in the prefrontal cortex can help assess a person's potential for leadership. Leaders with higher levels of neurological self-complexity demonstrate greater adaptability when facing novel situations.