Articles tagged with Neurology
Researchers found that our brains analyze submolecular features when we smell, leading to changes in perception over time. This dynamic adaptation affects the way our brains represent smells, making them less consistent than previously thought.
Researchers have discovered that neurochemicals influence neural activity, blood flow, and fMRI measurements. The study found that certain neurochemicals can cause constrictions in blood vessels, leading to negative fMRI signals.
Researchers found large individual differences in roundworm neural activity despite conserved neural circuits. Computer simulations including noise accurately model whole-brain activity, shedding light on neuronal connectivity and essential role of noise in brain function.
Researchers at the University of Rochester are developing a multimodal, non-invasive method to study the brain's physiology and reduce neurological issues associated with ECMO therapy. The technique uses electroencephalography, diffuse correlation spectroscopy, and evoked potentials to monitor blood flow and neural activity in the brain.
Multimodal fusion of brain imaging data can provide a comprehensive understanding of complex brain networks by combining information from different modalities. This approach has been successfully used to predict individuals' behaviors, intelligence quotient scores, and even psychiatric disorders.
Research from UCSF found COVID antigens lingering in blood up to 14 months and tissue samples for over two years after infection. The persistence of these fragments may drive long COVID symptoms and associated risks.
A recent study by CNRS scientists shows that zebrafish larvae without functional eyes still maintain synchronized circadian rhythms with light-dark cycles. This finding suggests alternative neural circuits may set the biological clock in some species.
A new study led by Cleveland Clinic researchers suggests that sildenafil may help protect brain cells from Alzheimer's disease. The study found that sildenafil can lower levels of neurotoxic tau proteins and improve brain function in patients with Alzheimer's.
Researchers at MIT's Picower Institute found that stimulating a key brain rhythm with light and sound increases peptide release from interneurons, driving clearance of Alzheimer's protein. The study suggests that 40Hz sensory stimulation promotes increased amyloid clearance via the glymphatic system.
A new study found that the link between paternal age and rare congenital disorders is more complex than previously thought. Researchers discovered that while older fathers are more likely to have children with certain bone and heart malformations, some genetic mutations associated with these conditions do not increase with paternal age.
Researchers discovered that ketamine's sustained effects involve increasing immature cells' activity, while rapid effects rely on newborn neurons firing more rapidly. This breakthrough opens doors to developing new antidepressant treatments.
Researchers developed a toolkit to translate neuroimaging data into audiovisual representations, enabling scientists to explore brain activity patterns in real time. The tool uses piano sounds for neural activity and violin sounds for blood flow, allowing viewers to discern coupled relationships between the two.
A new study published in eClinicalMedicine found that the iTalkBetter app significantly improved patients' ability to talk after six weeks of use. The app provided digital speech therapy for over 200 commonly used words, with a 13% increase in naming items and improvements in spontaneous speech.
Earlier anticoagulation reversal is associated with improved outcomes after intracerebral hemorrhage, supporting efforts to accelerate evaluation and treatment. This study supports intensive care strategies to improve survival rates among patients with this devastating form of stroke.
A new paper argues that LLMs can interpret and analyze neuroscientific data, unlocking new insights and potential treatments. Lead author Danilo Bzdok suggests that scientists may not always fully understand the mechanism behind biological processes discovered by LLMs.
A study of 352 patients found that endovascular thrombectomy benefits both directly presenting and transferred patients with large ischemic strokes, with better functional outcomes observed in those presenting directly to EVT-capable centers. Prolonged transfers worsened outcomes due to evolving ischemic change.
Researchers discovered two new genetic pathways associated with worse ICH outcomes, including a pathway affecting blood coagulation and cellular interactions. Population data showed a decrease in aneurysmal SAH strokes and a rise in non-aneurysmal subarachnoid hemorrhages, offering encouraging evidence for intervention success.
Researchers connected cognitive and behavioral symptoms to protein buildup in the brain marking the disease. The study showed a clear relationship between CTE pathology and severity of cognitive and functional symptoms during life.
A healthy lifestyle can help maintain cognitive abilities in older adults with common neuropathologies of dementia. The study found that a balanced lifestyle provides cognitive reserve, protecting against cognitive decline.
Researchers have found that some tumors release a protein with a virus-like structure, triggering an out-of-control immune reaction that can damage brain cells. The immune system targets this protein as if it were a foreign invader, leading to rapid-onset memory loss and cognitive deficits.
A new study found that people with drug-related cardiac arrests in the U.S. were more likely to be younger and have fewer coexisting health conditions compared to non-drug-related cardiac arrests, which was a surprising finding given the increasing number of overdose deaths.
Researchers from Brigham and Women's Hospital and MIT unveiled a new microscopy technology called decrowding expansion pathology (dExPath) that provides novel insights into brain cancer development. The technology enables scientists to study neurological diseases at a never-before-achieved nanoscale level on conventional clinical samples.
Researchers at the University of Arkansas System Division of Agriculture have developed a new hybrid technique for creating detailed 3D images of the chicken brain. The method, which combines histochemistry and diceCT imaging, allows for quality images resembling MRI technology at a lower cost.
A large Finnish study found that external fetal heart rate monitoring without simultaneous maternal pulse recording increases the risk of neonatal encephalopathy and acidemia. The study suggests that combining maternal pulse recording with fetal heart rate monitoring can effectively prevent these complications and improve neonatal outc...
A new study found that propranolol, a medication for high blood pressure, can lower anxiety levels in individuals with autism spectrum disorder. The study involved 69 patients and showed significantly reduced anxiety levels compared to a placebo group.
A new study using generative AI models simulated how the brain learns and remembers events, revealing how memories are re-constructed in our minds. The model showed how the hippocampus and neocortex work together to create efficient 'conceptual' representations of scenes, enabling us to both recall past experiences and imagine new ones.
A study published in eLife found that nerve fibers in the human skin are ensheathed by keratinocytes, which may play a role in communicating information about external stimuli to the central nervous system. This discovery could lead to new avenues for treating patients with small fiber neuropathy.
Researchers at the University of Cincinnati are testing a new tongue exercise approach to improve swallowing function in stroke patients. The trial aims to provide concrete evidence-based recommendations for treating dysphagia, a common post-stroke complication that can have significant impacts on patients' health and quality of life.
Researchers used OCTA to visualize retinal blood vessel changes in migraine patients during and between attacks. Blood flow decreases were found, with asymmetrical flow correlated to headache pain side.
Researchers at Boston University's Center for Neurorehabilitation have made two important advances that may help people with Parkinson's disease walk more smoothly. Wearable soft robotic apparel and a music-based technology were tested in studies, showing promising results in increasing walking duration and distance.
A study found that cerebral small vessel disease is a predictor for major bleeding, including intracranial hemorrhage and extracranial bleeding, in patients taking antithrombotic agents. The risk of bleeding complications increased significantly with higher cerebral SVD scores.
A world-first brain stimulation treatment is being developed to treat symptoms of Parkinson's disease and epilepsy using ultrasound technology. The endovascular focused ultrasound technique could significantly improve the quality of life for thousands of people living with neurological diseases.
A recent study published in NeuroImage found that physically active individuals experienced less decline in entorhinal cortex thickness over a seven-year period. Cognitive reserve is also boosted through regular mental stimulation, suggesting that brains can be trained like muscles to counteract age-related decline.
Multiple sclerosis affects over 2.8 million worldwide, and EU funding will investigate viral infections like EBV as potential causes and co-factors. The BEHIND-MS consortium aims to develop new cell models to test hypotheses on the disease's development.
A recent study published in Nature Communications has identified a key brain molecule responsible for triggering overconsumption of comfort foods after stressful events. The lateral hypothalamic proenkephalin neuron plays a crucial role in driving threat-induced eating associated with negative emotional states.
A new study links soccer heading to a measurable decline in brain function and microstructure, with high levels of heading exposure associated with changes similar to mild traumatic brain injuries. The research used diffusion tensor imaging (DTI) to assess the impact of repetitive head impacts on verbal learning performance.
Research found that higher cortical excitability is recorded during the systolic phase of the cardiac cycle, suggesting a link between heartbeats and neural processing. This study has implications for treatments of depression and stroke, where TMS pulses stimulate nerve cells.
Research reveals that brain inflammation is the primary cause of neuropsychiatric symptoms in Alzheimer's disease, including irritability, agitation, and anxiety. The study found a strong association between microglial activation and neuropsychiatric symptom severity, suggesting new pathways for therapy development.
Researchers at Duke University have discovered that subtle ear sounds can be decoded to pinpoint where someone's eyes are looking. By analyzing these sounds, the team was able to estimate the movement of the eyes and predict what the waveform of the ear sound would look like.
Researchers at University of California - San Francisco find that sense of taste signals brain to slow down eating. Using advanced techniques, they recorded brain activity in awake mice and found PRLH neurons controlled by mouth signals when eating normally, not gut signals as previously thought.
Researchers argue that the brain does not create new functions in previously unrelated areas but instead utilizes existing latent capacities. They provide alternative explanations for observed changes in brain activity following injury or deficit.
Researchers discovered that apotransferrin can mitigate the damaging effects of intracerebral haemorrhage by guarding against ferropoptosis, a cell death process. This finding highlights the therapeutic potential of apotransferrin as a pre-hospital treatment for stroke patients.
Researchers used fMRI to study brain activity in soccer fans, finding that brain activity changes when a fan's team succeeds or fails. The study suggests that zealousness found among some sports fans can serve as an example of intense emotional investment and impaired rationality.
Researchers found that quercetin in red wine can cause headaches due to its interference with alcohol metabolism, leading to high levels of acetaldehyde. The study suggests a new hypothesis for why some people experience red wine headaches, particularly those with pre-existing migraine or primary headache conditions.
A $5 million NIH grant is expanding the University of Illinois Chicago's neurology tissue bank into a citywide effort to study epilepsy and brain cancer. The project will create a powerful new resource combining brain tissue data with clinical, functional, genetic, and 3D imaging information.
A national study of approximately 3,500 women found that those with a history of stroke are more likely to believe they won't receive adequate emergency care due to their gender and race. This perception may lead to delays in treatment for stroke patients, highlighting the need for improved healthcare equity.
Dr. Schwamm, a neurologist at Yale School of Medicine, is recognized for his work on stroke systems of care and telestroke initiatives. He has improved patient outcomes and expanded access to care through his advocacy for telemedicine and digital health solutions.
A study published in Annals of Neurology found that receiving clot-busting drug treatment in a mobile stroke unit (MSU) increases the likelihood of averting strokes and complete recovery compared to standard hospital emergency care. Patients treated by an MSU had faster treatment times, with nearly one-third recovering within 24 hours.
A large study of 91,460 mother-offspring pairs found no link between prenatal corticosteroid and beta-2 adrenergic agonist exposure and offspring neurodevelopmental issues. The findings suggest these medications are safe for pregnant individuals with asthma.
A smart brain-wave cap can diagnose stroke in ambulances, allowing for prompt treatment and potential lifesaving. The cap uses EEG tests to recognize large ischemic strokes, directing patients to specialized hospitals for mechanical removal of blood clots.
A randomized clinical trial found that cefepime increased neurological dysfunction in adults hospitalized with acute infection, while piperacillin-tazobactam did not. The study involved 2,511 participants and suggested that cefepime may be associated with adverse outcomes.
Researchers developed AI tools to analyze speech patterns in people with schizophrenia and found that these patterns can be distinguished from those of healthy individuals. The study uses an AI language model trained on internet text to represent the meaning of words, and it was able to predict the words generated by control participan...
Researchers found that antidepressant escitalopram increases synaptic density in the brain over weeks, leading to greater brain plasticity. This explains why effects of antidepressants take time to kick-in, with significant differences in synapse density between treatment and placebo groups.
Researchers found that fly brain uses a three-step computation to distinguish motion patterns, dividing the workload across multiple levels. This approach helps flies detect even slight changes in motion and stay on course.
Cancer researchers at University of Cincinnati Cancer Center are exploring a new method called lattice therapy, which delivers higher doses to tumors and lower doses to surrounding tissues. The approach has shown promise in reducing treatment time and improving patient outcomes for head and neck, lung, and brain tumors.
Researchers discovered that brain nerve networks are organized into interconnected modules to segregate and integrate inputs, enabling efficient processing. This modular architecture allows the brain to balance local activity with global integration, essential for information representation.
A randomized controlled trial found that cognitive behavioral therapy (CBT) significantly reduces fibromyalgia pain by decreasing pain-catastrophizing, a negative response that amplifies pain. CBT participants showed reduced connectivity between brain regions associated with self-awareness and emotional processing.
The new guidelines provide a framework for genetic testing and counseling, recommending comprehensive testing and gene-targeted therapies for all persons with ALS. The guidelines aim to improve access and standardize practice among neurologists and genetic counselors.
The ECNP 2023 conference will feature discussions on a wide range of new work in clinical and applied neuroscience among over 5000 attendees from around the world. Accredited journalists are welcome to attend and register for online access.
A new study suggests that transcranial ultrasound stimulation can be used to change specific types of activity within the brain, paving the way for targeted treatments of mental health conditions. The research found that TUS induced significant changes in GABA concentration and altered communication between brain regions.