Articles tagged with Neurology
Researchers used machine learning to analyze mouse facial expressions and identified specific facial expressions correlated with emotional descriptors. The study may assist in moving towards a universal definition of emotions across species.
Researchers discovered that shorter time to receiving ECPR significantly improves neurological function in out-of-hospital cardiac arrest patients, especially those with heart rhythms responding to defibrillation. The study's findings can inform future revisions to international CPR guidelines.
Research found statistically associated CpG sites were analyzed in blood samples from atherothrombotic stroke cohorts, revealing differences in DNA methylation status of MMP24 between stable and unstable carotid plaques. The study suggests a correlation between DNA methylation patterns and plaque instability.
Researchers describe five new cases of KAT6A syndrome, a rare genetic disorder characterized by intellectual disability, language impairment, and cardiovascular malformations. The study reveals novel symptoms such as cryptorchidism, syndactyly, and trigonocephaly, expanding the clinical phenotype of patients.
A new smart jumpsuit quantitatively assesses children's spontaneous movement, helping to detect abnormal neurological development. The device provides valuable insights into infant motility, which can be used to support everyday activities and interventions.
A recent study published in PLOS ONE has shown that the human brain's ability to recall simple movements is significantly affected by previous actions. The research found that actual physical movement had a greater influence on success than mere observation, suggesting that consistent lead-in movements are crucial for optimal recall. T...
A new study reveals that persistent genital arousal disorder (PGAD) is caused by altered nerve firing and spinal cord damage, which can be treated with neurological interventions. The study found that 80% of patients benefited from treatments targeting the affected nerves and areas.
A new study analyzing nearly 60,000 neurons in the mouse visual system reveals that less than 10% of neurons behave as expected to perceive the outside world. The researchers found that most neurons showed more specialized responses, while a third didn't light up reliably to any stimuli.
A study found that half of adults experienced headaches after consuming a cold stimulus, with moderate pain lasting less than 30 seconds. The pleasure of eating ice cream or drinking cold drinks may be reduced due to painful headaches.
A new study found that mobile stroke units in Manhattan reduced treatment time by approximately 30 minutes compared to traditional ambulances. This faster treatment led to improved patient outcomes and potentially life-saving results.
A recent study published in Neurology found that women are more likely to survive a stroke, but experience worse disability and reduced quality of life compared to men. The research suggests that variations in hospital treatment and risk factor management may contribute to these differences.
Daylight Saving Time transitions can have lasting impacts on health, causing biologic clocks to become desynchronized and increasing the risk of heart attacks and ischemic strokes. Average sleep duration shrinks by 15-20 minutes during DST, potentially leading to fatal accidents.
Scientists developed computational models of word meanings and tested them against real-time brain activity in volunteers, revealing how the brain combines words to make sense in context. The study shows how word constraints directly affect meaning interpretation, highlighting the neural mechanisms behind spoken language understanding.
A University of Calgary-led study found that MRI scans can significantly improve the diagnosis of minor strokes and transient ischemic attacks (TIAs). In 30% of cases, the MRI scan led to a change in diagnosis. The study's findings suggest that MRI scans are essential for patients with non-traditional symptoms, reducing unnecessary med...
A large study found that physical fitness is associated with improved cognitive ability and healthy white matter in the brain of young adults. The research used a publicly available database of 1206 MRI brain scans from the Human Connectome Project.
Researchers found that people with schizophrenia employ different brain circuits to overcome initial lack of understanding, leading to increased brain activity in certain areas. The study aims to develop practical skills to help patients with schizophrenia understand metaphors in everyday speech.
Researchers at Janelia Research Campus have mapped over 1,000 neurons in the mouse brain, tracing their branching routes to understand how messages travel through it. The preliminary data reveal new clues about the mouse brain's wiring diagram, including clusters of neurons and regions where they can't be easily delineated.
A study led by UCSF found that advanced sleep phase, where people wake up at 4 a.m., may be more common than previously thought, affecting around 1 in 300 adults. This condition is distinct from early rising with normal aging and can improve daytime functioning.
A study found that Zika-exposed infants had normal assessments at birth but 29% scored below average in neurological development, including cognitive performance and motor skills. Early pregnancy exposure increased the risk of developmental, hearing, and eye abnormalities.
Researchers developed electrocardiomatrix technology that outperforms standard cardiac telemetry in detecting atrial fibrillation after a stroke. The technology converts ECG signals into a three-dimensional heatmap for rapid inspection of all collected heartbeats, minimizing false positives and negatives.
Researchers identified brain regions involved in creating the Uncanny Valley sensation, tracing it back to circuits processing social cues and valuation systems. The study's findings suggest ways to improve likability of artificial agents by adjusting these mechanisms.
A UC Santa Cruz study found that many college students are unaware of the mercury exposure risks associated with eating large amounts of tuna. Students reported consuming up to 20 servings of tuna per week, exceeding recommended levels and potentially causing neurological damage.
A new study in mice reveals that diet-induced obesity re-wires the brain's natural brakes on food intake, leading to pathological eating behaviors. The research identifies a specific class of cells that normally suppress feeding to prevent overeating, but are altered in obese mice, promoting excessive food consumption.
A study published in the New England Journal of Medicine found that nearly 1 in 7 brain-injured ICU patients show evidence of hidden consciousness just days after injury. Patients with such signs are more likely to recover, according to researchers at Columbia University and NewYork-Presbyterian. The technique used to detect hidden con...
A recent survey of American neurologists reveals that over half carry the mistaken belief that a patient's sexual orientation and gender identity have no bearing on treatment of neurologic illness. This lack of awareness can lead to substandard care, particularly for LGBTQ individuals who face persistent disparities in healthcare.
Scientists at the University of York have identified two separate pathways for seeing 3D motion in the human brain, allowing people to perform tasks like catching a ball. This breakthrough could lead to the development of new treatments for lazy eye syndrome and improve virtual reality systems.
A Canadian study found women experiencing minor strokes or TIAs are 10% more likely to receive non-stroke diagnoses. Researchers highlight the importance of recognizing atypical symptoms and accurate diagnosis for prevention and treatment.
Researchers found that messages about corruption from the rival party have a greater impact on Spanish Popular Party voters' brains, triggering areas related to risk, disappointment, and rejection. This biased rejection affects PP voters more intensely, regardless of whether the message is positive or negative.
A new study by University of California, Irvine researchers tracked several dozen male collegiate water polo players over three seasons to map out the frequency of head injuries in the sport. The study found that offensive players were more likely to get battered than defensive and transition positions.
A recent study by WVU researchers found that rural Americans with migraines often face long travel distances and financial barriers to accessing specialized care. The study highlights a nationwide shortage of headache specialists, which can exacerbate the economic impact of migraine in low-income areas.
A new study by Universitat Autonoma de Barcelona researchers shows that tactile and proprioceptive stimulation can improve the effects of perinatal hypoxic and ischemic brain injuries throughout life. In particular, male mice benefited from sensory stimulation with reduced neurological damage and improved functional capacities.
A new study published in the European Journal of Neurology found that women are more likely to experience severe depression following a stroke, with 20% of women suffering from severe depression compared to 10% of men. The study suggests that women's social relationships and longer lifespan contribute to this increased risk.
A new study using brain vital signs technology detected neurophysiological impairments and cognitive processing deficits in ice hockey players with concussions, even those who were cleared for return-to-play. The study also found significant delays in cognitive processing for players without diagnosed concussions.
A study of high school football players found that repeated subconcussive head impacts led to worsening eye function, as measured by near point of convergence (NPC), and impaired recovery. NPC values began to return to normal in midseason despite continued head impacts, suggesting the eyes may develop tolerance.
A study of 2,197 patients found that alcoholic beverages were a reported trigger by 35.6% of participants, with wine leading to attacks in only 8.8%. Rapid onset occurred within three hours for one-third of patients.
A recent study found a higher than anticipated number of seizures in infant patients monitored with continuous EEG. The research identified conditions associated with seizures and suggests cEEG monitoring may be valuable for diagnosing neurological problems in patients under 14 months old.
A team from TUM has shown that perception, motor impulses, and energy provision occur in the brain simultaneously, not sequentially. The results suggest holistic pain therapy approaches may be beneficial for chronic pain patients.
Researchers at the University of Oregon used EEG to capture how the brain builds complex sequences from basic elements. The study found that individuals with strong working memory had a clearer record of current chunks, enabling them to reconstruct sequential patterns.
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.