Articles tagged with Neurology
A review article reveals CD2AP's crucial role in amyloid metabolism, tau pathology, synaptic function, and neuroinflammation in Alzheimer's disease. CD2AP deficiency accelerates plaque formation, while its loss in neurons leads to reduced spine density and impaired synaptic plasticity.
A University of Illinois Chicago study reveals that intranasal herpes infection can cause severe neurobehavioral symptoms, including anxiety and cognitive issues. The research suggests that the virus exploits a cellular enzyme to produce behavioral symptoms, emphasizing the need for prevention and treatment.
Researchers at UC San Francisco have enabled a paralyzed man to control a robotic arm through a device that relays signals from his brain to a computer. The device, known as a brain-computer interface (BCI), worked for a record 7 months without needing to be adjusted.
Researchers discovered that females' dormant X chromosome reactivates in late life, expressing genes related to brain development and cognitive health. This phenomenon may explain why women outlive men and retain their cognitive abilities longer.
Dr. Guy Rouleau, a renowned geneticist and neurologist, has founded the world's first academic institution committed to open science principles. The Neuro institute aims to transform how brain disease research is conducted worldwide by promoting data sharing and collaboration.
Studies have consistently shown that 40Hz gamma stimulation can improve cognitive function and reduce Alzheimer's pathology in mice. In human clinical trials, participants exposed to 40Hz light and sound experienced significant slowing of brain atrophy and improvements on some cognitive measures compared to untreated controls.
Researchers identified pathogenic thresholds for the CAG repeat units (RU) of the CACNA1A gene that causes SCA6. They found that over 90% of cases with 21 or more RU fell within a predicted age range. The study has important implications for SCA6 diagnosis and genetic counseling.
A new study finds that dexamethasone, a commonly prescribed anti-swelling drug, can significantly reduce the body's immune response to brain cancer for weeks after its last dose. This effect is stronger with higher dosages and may impact immunotherapy treatments.
Research reveals misplaced neurons in the brain are overactive due to mutations in gene DCHS1, causing periventricular heterotopia. These neurons have altered synaptic connections and complex morphology, leading to hyperactivity that can be reversed with antiepileptic drug Lamotrigine.
A study found that 10% of South Asian immigrants aged 45 and older in Canada had hypothyroidism. Higher dietary intake of fat, lower consumption of fruits and vegetables, and increasing age were associated with a higher risk of the condition. Early recognition and treatment are crucial to minimize preventable health impacts.
A recent MSU study highlights the challenges of diagnosing episodic disabilities like epilepsy, where symptoms fluctuate and can be unpredictable. The research found that 52% of participants experienced delayed diagnoses, while others faced quick confirmations within days of their first seizure.
A new study published in Annals of Neurology found that lower concentrations of vitamin B12 in healthy, older adults led to signs of neurological and cognitive deficiency. These individuals showed slower processing speeds, brain lesions, and delayed responses to visual stimuli compared to those with higher B12 levels.
A recent study explored the neurologic impact of flu in children and found that serious neurologic events are almost 50 times more common in those with underlying neurologic conditions. The study highlights the need for improved vaccination and treatment efforts targeted towards vulnerable children.
A study of 153 people between the ages of 60 and 89 suggests a modification to the well-established clinical test for assessing balance in the elderly to make it more efficient, accessible, and predictive. The assessment can predict the risk of falling over a six-month period with accuracy.
Researchers examine how stroke patients develop post-stroke sensory reweighting (PSR) to improve walking and balance. PSR is a critical factor in determining patient outcomes, with those who develop it experiencing better balance and reduced risk of falls.
UCalgary researchers confirm that endovascular thrombectomy (EVT) is not effective for patients with blockages in medium-sized blood vessels. The ESCAPE-MeVO clinical trial found no improvement in outcomes for these patients compared to standard care. EVT was previously shown to improve patient outcomes after large-vessel strokes.
A cohort study reveals a robust association between headache diagnoses and suicidal behavior, highlighting the importance of behavioral health evaluation and treatment for these patients. The findings suggest that patients with headache diagnoses should be screened for suicidal ideation and provided with appropriate support.
Researchers have developed a blood test that can rapidly distinguish between brain bleeds and clot-caused strokes, even before patients arrive at the hospital. This test uses glial fibrillary acidic protein (GFAP) levels to differentiate between hemorrhagic and ischemic strokes, which can lead to opposite treatments.
A preliminary study presents a link between stroke and mental health challenges in children, highlighting the need for early intervention and screening. The analysis found that kids who have a stroke are at higher risk of developing anxiety, depression, and related physical symptoms.
Researchers developed a novel cortical biomarker signature to predict individual pain sensitivity, showcasing high accuracy and reproducibility. The study suggests this biomarker has substantial potential for clinical translation in predicting chronic pain transitions.
Researchers found that patients undergoing mechanical thrombectomies at smaller hospitals did not have less favorable outcomes than those at large healthcare systems. In fact, larger hospitals with higher volumes of procedures saw more adverse outcomes in stroke patients.
A brain-computer interface has enabled a person with tetraplegia to control a virtual quadcopter by thinking about moving their unresponsive fingers. This technology provides unprecedented control, allowing the user to maneuver through a virtual obstacle course and potentially enabling remote work and social interactions.
A new study published in Neurology found that eating greater quantities of red meat, especially in processed forms, increases the risk of dementia. Replacing processed red meat with protein sources like nuts and legumes or fish may decrease dementia risk by approximately 20 percent.
Researchers studied rats navigating an L-shape track with a food-guarding robot. The rats created neurological maps of places to avoid after experiencing negative events and thought about these locations even after leaving the area. This finding provides insight into the neuroscience of common psychological conditions like anxiety.
Researchers developed a predictive tool using the Florey Dementia Index to forecast onset ages of mild cognitive impairment and Alzheimer's. The validated tool may help prioritize patients for disease-modifying treatments.
A new study finds that women with gestational hypertension and preeclampsia are at increased risk of developing new-onset migraine, headache, epilepsy, sleep disorder, or mental fatigue after giving birth. Follow-up care is recommended for these high-risk patients to monitor for neurological symptoms.
A clinical trial showed that an antibody blocking Nogo-A protein improves motor function in patients with incomplete spinal cord injuries. The treatment led to significant improvements in voluntary muscle activation and everyday life functional independence. Further studies are needed to confirm the findings.
The National Institute of Neurological Disorders and Stroke has awarded researchers at the University of Tennessee Health Science Center $2.18 million to investigate a new small molecule that activates SERCA2, aiming to correct calcium imbalances caused by diabetes after a stroke.
A USC study reveals that forming social ties relies on learning from positive outcomes, such as rewards, and tracking relational value. The findings help explain why we are drawn to certain people and how we navigate relationships, with implications for mental health and social behavior.
A study published in JAMA Network Open found that hospital-acquired pressure ulcers are associated with poorer neurological outcomes and reduced motor function in patients with acute cervical spinal cord injury. The findings suggest that preventing pressure ulcers can help protect these patients and lead to improved medical care.
A new study published in the Journal of the American Heart Association found that Mexican American women are more likely to miss prescribed doses of stroke prevention medications. The study highlights sex-associated disparities in stroke care, particularly among racial and ethnic minorities.
A team of researchers from Mass General Brigham has identified changes in immune cells that can predict patient recovery after cardiac arrest. The study suggests that a particular population of cells may provide protection against brain injury and a drug that can activate these cells, improving neurological outcomes in preclinical stud...
A new study will evaluate the benefits and risks of endovascular thrombectomy for patients presenting beyond 24 hours. The trial aims to provide deterministic evidence of clinical benefit due to addition of endovascular thrombectomy to standard medical care.
A Phase 2 trial evaluated L-arginine's efficacy and safety in patients with spinocerebellar ataxia type 6, showing a mild improvement in ataxia symptoms. However, the treatment effect was not statistically significant, requiring further investigation to confirm its effectiveness.
A new approach profiles gene activity in the living brain, providing insights into neurological conditions like epilepsy. The study enhances understanding of seizure networks, potentially improving surgical interventions.
A cohort study found that long-term exposure to wildfire and fine particulate matter was associated with dementia diagnoses. The study suggests that reducing wildfire PM2.5 exposure could decrease dementia diagnoses and address health disparities.
New research highlights additional therapies being tested for hypoxic-ischemic encephalopathy (HIE) in newborns, including agents blocking glutamate receptor activation and antioxidant drugs. While therapeutic hypothermia is effective in high-income countries, its efficacy is uncertain in low- and middle-income nations.
Researchers aim to shed light on how hearing impairment affects auditory perception, particularly in complex environments. They will use animal models to examine neural mechanisms contributing to difficulties in sound localization.
Researchers found teaching artistic observation to neurology residents contributed to their development as skilled clinicians and compassionate healers. The project improved observational skills, communication, and empathy among the residents.
Researchers developed a new AI-powered diagnostic system, FastGlioma, which reveals invisible cancerous tissue in brain tumor surgery. The technique may delay or prevent recurrence of high-grade tumors and improve patient survival.
Children with asthma show lower scores on episodic memory tasks compared to their peers without the condition. Earlier onset and longer duration of asthma also contribute to slower memory development over time.
Researchers analyzed nearly 200,000 cases of witnessed out-of-hospital cardiac arrests to determine the effectiveness of bystander CPR within different time windows. The study found that people who received CPR within the first few minutes had a higher survival rate and better brain function than those who didn't.
Researchers at Mount Sinai trained an AI algorithm on over 16 million seconds of video footage from newborns in the NICU to predict sedation and cerebral dysfunction. The study shows promise for a minimally invasive, scalable method for continuous neurologic monitoring.
University of Cincinnati researchers highlight the importance of emergency consent in acute stroke trials due to time-sensitive nature and high mortality rate. They argue for more efficient alternatives to traditional informed consent, emphasizing patient autonomy and beneficence.
Critical Path Institute (C-Path) has announced key leadership appointments: Dr. Diane Stephenson promoted to Vice President of Neurology and Nadine Tatton welcomed as new Executive Director of CPAD Consortium. This move aims to advance neurodegenerative disease research, including Alzheimer's and Parkinson's diseases.
The new center will advance multiple areas of active research on campus, including neurocognitive sciences and musculo-skeletal health. With support from across campus, UTA aims to improve research capabilities to enhance undergraduate and graduate educational opportunities.
A recent revision of Alzheimer Association criteria focuses solely on AD core biomarkers, sparking uncertainty about patient outcomes. The new definition may limit diagnostic flexibility and impact treatment planning.
Researchers develop transcranial ultrasound stimulation (TUS) as a non-invasive therapy for brain-related issues, with potential for personalized treatments. A 'search and rescue tool' for the brain, TUS enables precise targeting of specific areas before treatment.
A cohort study found that postacute infection syndrome is not exclusive to COVID-19, but it can also occur in people with other severe lower respiratory tract infections. COVID-19 appears to exacerbate neurological, cognitive, and fatigue symptoms compared to other LRTIs.
Advances in biointegrated flexible and stretchable optoelectronics enable physiological monitoring and treatment for cardiovascular disease. Novel strategies focus on stretchable design, device-biological tissue interface design, and encapsulation of biointegrated optoelectronic devices.
A study found that 4.6% of Nigerian participants with COVID-19 experienced neurologic symptoms, with some still experiencing symptoms two years after their initial episode. Researchers plan to treat these patients using similar techniques used in the US, aiming to alleviate their suffering.
Researchers found Inuit children's head circumferences were significantly larger than WHO charts, leading to overdiagnosis of macrocephaly and underdiagnosis of microcephaly. This perpetuates a system that brings harm to Inuit people due to historical context of racism and mistreatment.
New research confirms that young adults are at risk for large vessel occlusion acute ischemic strokes, which were previously thought to occur mainly in older adults. The study found that nearly 20% of a cohort of 1,200 young adult patients had these strokes, highlighting the need for regular check-ups and prompt treatment.
Research suggests that heavy drinkers may experience long-lasting sensitivity to mechanical stimuli, leading to permanent allodynia. The study identified a potential drug target, endocannabinoid 2-AG metabolism, for treating neuropathic pain associated with chronic and excessive alcohol consumption.
Patients with acute brain injury who received a liberal transfusion strategy had a lower risk of unfavorable neurological outcomes compared to those on a restrictive strategy. The study found that anemia was a significant predictor of poor outcomes in these patients.
Researchers from the FlyWire Consortium have created a detailed wiring diagram of every neuron in the adult fly brain, revealing substantial similarities between individual brains. The map includes 50 million connections between neurons, providing insights into neural circuits and their functions.
A study found increased menstrual irregularities in women living in areas affected by the 2023 earthquake in Turkey. Risk factors included post-traumatic stress symptoms, chronic diseases, and smoking.
Researchers have discovered that COVID-19 patients experience worse cognitive function 12-18 months after hospitalization, with reduced brain volume and abnormal protein levels. This affects global cognitive deficits equivalent to twenty years of normal aging.
A cohort study found a significant association between maternal influenza infection during pregnancy and an increased risk of childhood seizures. The study suggests that maternal influenza may affect childhood neurological development, particularly for febrile seizures, but not epilepsy.
A third of living former professional football players reported perceived chronic traumatic encephalopathy (CTE) associated with an increased prevalence of suicidality. Men with CTE had cognitive impairment and more health problems compared to those without CTE, highlighting a novel risk factor for suicidality.