Articles tagged with Neurology
Researchers from NERF used Neuropixels probes to measure electrical activity of hundreds of neurons simultaneously, revealing that both visual cortex and thalamus are affected by movement. This discovery suggests that locomotor modulations may improve processing of fast-changing visual scenes during exploration and navigation.
The 5-year project will investigate diagnosis, treatment, and prevention of Chronic Traumatic Encephalopathy (CTE) in former NFL players. Researchers will track up to 2,500 players with annual follow-up health assessments to examine associations between clinical outcomes and abnormal tau buildup.
Researchers found that brain cell numbers, not body size or metabolic rate, are the key factors determining maximal longevity in animals. The study suggests that a higher number of cortical neurons leads to longer lifespans and better adaptability.
Llinás' research on membrane biophysics and the active neuron concept has significantly advanced our knowledge of neuronal function and behavior. He was recognized for his work on dendritic calcium spikes, electrotonic coupling, and subthreshold oscillations in mammalian neurons.
Researchers have discovered a new and better marker, Neurofilament light (NFL), to assess the degree of brain damage after cardiac arrest. This biomarker shows promise in identifying patients with severe brain damage and could lead to more efficient healthcare decisions.
The 11th World Stroke Congress highlights the high impact of stroke in low- and middle-income countries, with over 80% of global stroke burden concentrated in these regions. Experts discuss prevention and treatment strategies to reduce premature mortality from stroke by one-third by 2030.
The 11th World Stroke Congress brought together leading international experts to discuss various aspects of stroke care. A Canadian study found that while access to stroke rehabilitation improved, provincial and regional differences persist, with bed capacity hindering prompt access. Another study analyzed gender differences in accessi...
Research suggests that efavirenz may increase the risk of a neurological condition, such as microcephaly or seizures, in children born to HIV-positive mothers on this ART regimen. The SMARTT study found that 60% more babies exposed to efavirenz developed a neurological condition compared to those not exposed.
A recent study suggests that individuals who are physically active before suffering a stroke tend to have better outcomes, with milder symptoms. This protection is attributed to the maintenance of a complex network of blood vessels within the brain, which is promoted by exercise.
Residents in certain specialties, such as urology and neurology, were more likely to report burnout symptoms. High levels of anxiety during medical school were associated with burnout symptoms during residency across all specialties.
A team of scientists at NYU has discovered a neural connection between altered sensory responses and decision-making. This finding sheds light on the processing of optical illusions, suggesting a synergistic relationship between perception and behavior.
A study found that travel times for nurses in neurocritical care units increase staffing ratios by 33-50% due to frequent assessments and procedures. Implementing additional staff, including a 'circulating nurse' position, can improve patient care and retention rates.
Intractable hiccups can occur with underlying medical conditions and impair quality of life. Various treatments including medications, nerve blocks, and alternative remedies are being studied.
The Virtual Brain neuroinformatics platform is integrating into the EU's Flagship Human Brain Project to promote efficiency and reproducibility in research. The platform will enable researchers to refine computer models, develop efficient simulation technology, and improve study reproducibility.
A new University of Delaware study examines the effect of repetitive head impacts on balance. The researchers found that players who headed the ball more frequently experienced subtle balance problems when tested with vestibular stimulation.
A study published in the Journal of the American Medical Association found that use of tissue plasminogen activator (tPA) for mild stroke may not provide significant benefits for patients. Researchers used data from the Greater Cincinnati Stroke Study and tracked outcomes for 313 patients with minor, non-disabling acute ischemic strokes.
Researchers used natural conversations to study neuronal activity, finding that brain regions relevant to articulation reliably display activity during perception of spontaneous spoken language. This suggests a shared premotor-cortical substrate for speech production and perception.
A recent study found that starting physical therapy within three weeks of a concussion provides similar outcomes to waiting longer. The therapy, which included progressive exercise and vestibular training, led to reduced concussion-related symptoms in both early and late PT groups.
A possible biomarker for long-term learning has been discovered, which may lead to different educational techniques to improve retention of information. The researchers used EEG to measure students' brain responses to anatomical terms before and after an introductory anatomy class.
A 15-year study found that people taking saunas four to seven times a week were 61% less likely to suffer a stroke than those taking one session per week. Frequent sauna bathing also reduces cardiovascular and all-cause mortality risk.
A recent study found that men outnumber women in top-ranked academic neurology programs, consistent with previous research on neurology and other specialties. The study analyzed data from 1,712 academic neurologists across 29 programs, highlighting the underrepresentation of women in academic careers.
Researchers found that participants who closely adhered to a DASH-style diet were less likely to develop depression than those who did not. The study, funded by the National Institutes of Aging, evaluated 964 participants and showed an association between a healthier diet and lower rates of depression.
A review explores the applications of neuroscience in law, highlighting the need for clear guidelines to balance potential benefits with civil liberties. The use of neuroscientific evidence raises concerns about individual rights and privacy, particularly in determining guilt and intent.
A new study invalidates the UK's folate intake limit, citing a 'flawed' analysis that has hindered efforts to prevent neural tube defects. The findings support mandatory fortification of flour with folic acid to protect babies from these birth defects.
A new method, SPADE, can quantify and monitor diagnostic errors in hospitals using large databases and statistical analyses. This approach has the potential to improve patient outcomes by tracking serious adverse events and enabling patient empowerment.
Scientists have developed a new technique to map electrical circuits in the brain with unprecedented accuracy, revealing the detailed architecture of microcircuits. This breakthrough enables researchers to understand how the brain processes complex information and may lead to insights into behavior and sensory processing.
Scientists tested patients with brain injuries to understand how the brain recognizes voices. The study found that lesions in the right posterior temporal lobe led to difficulties recognizing voices, with a crucial role played by the posterior superior temporal gyrus.
A study published in Neurology suggests that consuming daily leafy green vegetables can help preserve memory and thinking skills as people age. The research found that those who ate more leafy greens showed a slower rate of decline on cognitive tests, equivalent to being 11 years younger in age.
A systematic review of nine studies found that standardized outcome measures like the Functional Independence Measure (FIM) and National Institutes of Health Stroke Scale (NIHSS) can predict stroke patients' discharge destinations. Patients with higher scores on these scales are more likely to be discharged home, while those with lower...
Stroke patients receive treatment within 60 minutes or less at 87% of Kaiser Permanente's Northern California hospitals, with an average 'door-to-needle' time of just 34 minutes. The regionwide adoption of standardized protocols and telemedicine has significantly reduced the time to start critical treatment.
A new study presented at the Radiological Society of North America meeting found no link between gadolinium accumulation in the brain and cognitive decline. The study involved 4,261 participants who received MRI scans with gadolinium-based contrast agents, but showed no significant predictor of cognitive decline or dementia.
A study published in Academic Emergency Medicine found that prehospital use of supraglottic airways is linked to better neurological outcomes in cardiac arrest patients who receive cardiopulmonary resuscitation. The study suggests that SGA may improve oxygenation, supporting its continued use in emergency medical services.
The DAWN trial demonstrated the efficacy of thrombectomy in reducing disability among stroke patients presenting within 6-24 hours, with a 48.6% independence rate at 90 days compared to 13.1%. Thrombectomy also showed benefits across various subgroups and time windows.
Researchers found that right-handed baseball players who bat left-handed have an advantage over those who bat and throw left-handed. This study, reanalyzing data from 1871 to 2016, suggests that throwing right-handed but batting left improves a player's likelihood of becoming a top hitter in Major League.
Research by Anglia Ruskin University shows that right-handed baseball players who bat left but throw right-handed have a surprising advantage in career success and hitting performance. This biomechanical advantage provides a longer lever to hit the ball, increasing their chances of becoming top hitters.
A national study has launched mobile stroke units, which bring highly trained personnel and advanced medical equipment to patients in need of rapid treatment. The units have shown promise in improving patient outcomes and efficiency, with the potential to enable faster diagnosis and treatment of strokes.
Scientists at UC San Diego have discovered how brain blood vessels dynamically regulate oxygen levels across large distances, shedding light on the mechanisms behind resting-state connectivity. This breakthrough has significant implications for human health and medicine, including the development of higher resolution imaging methods.
A new curriculum has been developed to provide standardized training for healthcare providers in teleneurology. The curriculum covers key areas such as technology, licensure, and patient relationships, aiming to improve the quality of remote neurology care.
Researchers found that reading stories triggers unique patterns of brain activation, regardless of language or cultural origin. This study suggests exposure to narrative storytelling can have a widespread effect on triggering better self-awareness and empathy for others.
Neutrophils, white blood cells that can cause damage after a hemorrhagic stroke, can be trained to release beneficial molecules like lactoferrin. This could lead to a new therapeutic approach for reducing brain damage after the injury.
Researchers found that mind wandering occurs in 70% of drivers during a simulation, causing distinctive brain activity. Drivers are often unaware of their mental drift, which can impair reaction time and increase road traffic crashes. The study suggests that autonomous transport systems may be an option to improve safety.
A study by Progetto Vita found that 93% of patients treated with an onsite AED survived cardiac arrest, compared to just 9% without an AED. The presence of an AED significantly reduced response times and improved survival rates.
Researchers found that patients of all races receive opioids at similar rates as evidence-based medications, despite concerns about medication overuse and comorbidities. The study suggests that clinicians can improve treating migraine patients by adopting better prescribing practices.
Scientists have identified two new brain regions, perirhinal cortex and temporal pole, that facilitate the recognition of familiar faces in monkeys. These regions were found to be specifically involved in recognizing personally familiar faces, but not unfamiliar objects or faces.
Researchers at University of Utah Health successfully rejuvenated the plasticity of adult mouse brains, specifically in the visual cortex, by triggering a shift with a single gene. This breakthrough suggests a potential target for new treatments that could recover brain youthful potential and reduce cognitive decline with aging.
Scientists developed an algorithm for a robotic harness that provides personalized support to address motor defects in stroke and spinal cord injury patients. Wearing the harness allows participants to walk with abilities comparable to healthy individuals, offering a promising alternative to traditional rehabilitation programs.
Harvard scientists have identified two brain networks that lie side-by-side in the brain and may play key roles in planning, remembering and imagination. These networks are intertwined, with one connected to memory structures while the other isn't, suggesting they originated from similar processes during brain development and evolution.
A 14-year study found that slowed walking speed in older adults is associated with cognitive impairment, particularly in the right hippocampus. Regular measurement of walking speed and monitoring for changes may help detect early signs of cognitive decline.
Researchers are studying the clinical outcomes of children infected with Zika virus after birth to examine long-term brain development. Neurodevelopmental testing will be conducted to identify changes in children infected with Zika virus.
A study of over 1.6 million Medicare beneficiaries found that cirrhosis significantly increases the risk of stroke, particularly hemorrhagic stroke. The authors suggest that mixed coagulopathy and underlying vascular risk factors may contribute to this association.
A study published by PCR found that TAVI significantly lowers the incidence of early stroke at 30 days and two years compared to surgical aortic valve replacement. The procedure also showed similar one-year mortality rates for both groups with stroke or encephalopathy at 30 days.
Researchers found that brain regions for missing body parts are repurposed in congenital one-handers, suggesting a new understanding of brain organization based on function rather than body part. This discovery reveals remarkable brain plasticity and holds potential for developing prosthetic limbs.
Acute ischemic stroke hospitalizations among those aged 18 to 64 years increased from an average of 141,474 per year in 2003-2004 to 171,386 per year in 2011-2012. The study confirms the importance of focusing on prevention in younger adults.
A study from UT Southwestern Medical Center and Mayo Clinic shows that a remote-controlled robot can evaluate athletes for concussion with the same accuracy as on-site physicians. The technology has the potential to ease access to concussion expertise in rural areas, where few doctors or athletic trainers are available.
Researchers at Stanford University School of Medicine found that a time-honored mnemonic method can be taught to people with no prior hint of prodigious memorization skills. The method, known as the 'method of loci,' induces patterns of activity within new trainees' brains that closely resemble those of memory athletes.
The American Diabetes Association and Michigan Medicine have released updated guidelines for the prevention, treatment, and management of diabetic neuropathy. The guidelines provide recommendations for primary care physicians on preventing this complication and suggest guidelines to manage and treat each form of diabetic neuropathy. Th...
Engaging in brain-stimulating activities like games, crafting, and socializing can lower the risk of mild cognitive impairment (MCI) in older adults. A study of over 1,900 adults found a strong association between mentally stimulating activities and decreased MCI incidence.
A study found that patients with renal dysfunction upon admission are more likely to die while hospitalized and have lower chances of being discharged home. Those with normal kidney function have better short-term outcomes, according to the estimated glomerular filtration rate (eGFR) test.
Researchers found that concussion patients exhibit significantly slowed central and peripheral vision reaction times, with PVRT being disproportionately prolonged. This study suggests a useful diagnostic method to objectively assess concussion symptoms, providing potential benefits for patient recovery and athlete safety.
Researchers found that observing trauma can change brain information flow, making individuals more vulnerable to mental disorders like PTSD. The study suggests witnessing fear can physically redistribute brain signals, potentially enabling new communications and shedding light on the disorder's causes.