Articles tagged with Human Brain
Researchers at Salk Institute have created a novel organoid model of the human brain that includes mature, functional astrocytes. This allows for the study of inflammation and stress in aging and diseases like Alzheimer's with greater clarity, revealing a relationship between astrocyte dysfunction and inflammation.
A new neuroscientific paradigm, the synergistic model, allows better understanding of brain-body-environment interactions. This framework enables more accurate personalized diagnoses and treatments of brain diseases.
Scientists at UCSF discovered a new way to test for autism by measuring how children's eyes move when they turn their heads. Children with severe autism have an unusual form of the vestibulo-ocular reflex, which can be measured with a simple eye-tracking device.
A meta-analysis of 30 studies involving 3,501 women found that cognitive behavioural therapy (CBT) and mindfulness-based interventions significantly improved anxiety, depression, memory, and concentration difficulties. CBT was also the most cost-effective option for menopause management.
A recent study conducted at the University of Zurich found that live performances stimulate a stronger emotional response in the brain compared to listening to recorded music. The researchers used magnetic resonance imaging to measure brain activity during both live and recorded music sessions, revealing a significant difference in amy...
Recent research shows that many mechanisms contributing to obesity affect the brain, particularly dopamine pathways. This insight may impact treatment approaches, including medication and initiatives to make fattening foods less accessible. Society must also take responsibility for destigmatizing obesity.
A new study by Baycrest and the University of Toronto suggests that talking speed is a more important indicator of brain health than difficulty finding words. Changes in general talking speed may reflect changes in the brain, indicating its importance in detecting cognitive decline faster.
Scientists have discovered that the bat brainstem processes echolocation and communication calls differently, with a stronger response to less frequent calls due to better neural synchronization. The findings may also be relevant to medical applications in humans, such as understanding diseases like ADHD or schizophrenia.
Research finds that living in violent neighborhoods can alter a child's brain to detect threats more easily, leading to poorer mental health. Nurturing parents can help protect kids from these detrimental effects by reducing exposure to community violence and promoting resilience.
Scientists have uncovered a novel form of MRI scan that shows how Long-COVID affects the human brain's delicate network of blood vessels. The study found disruption to the integrity of blood vessels in patients with Long COVID and brain fog, highlighting a potential target for targeted therapies.
A new study from Mass General Brigham used deep brain stimulation to identify specific brain circuits associated with different disorders, such as Parkinson's disease and obsessive compulsive disorder. The researchers were able to apply these findings to fine-tune DBS treatments and demonstrate preliminary improved results in three cases.
A team of researchers used deep brain stimulation to localize disrupted neural pathways in patients with Parkinson's disease, dystonia, OCD, and Tourette's syndrome. The study identified specific brain circuits associated with each disorder, revealing overlapping malfunctions that suggest a complex network of brain dysfunctions.
Researchers found differences in brain and immune systems of people with post-infectious ME/CFS. Abnormalities in the temporal-parietal junction and low levels of catecholamines were associated with fatigue, cognitive symptoms, and motor performance.
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.
Researchers at Stanford Medicine unveiled a new AI model that accurately identified sex differences in brain activity with over 90% accuracy. The study suggests that understanding these differences is crucial for addressing neuropsychiatric conditions that affect women and men differently.
Researchers at University of California - San Francisco have developed a precise map of what is happening in the brain’s auditory cortex when someone hears a melody. The study found that some aspects of music are entwined with how we understand speech, while other important aspects stand alone. The brain uses two sets of neurons to ass...
A recent study published in PLOS Biology found that the human brain can segregate direct speech from its echo, allowing for reliable recognition of echoic speech. This neural separation is essential for understanding conversations in noisy environments and is supported by magnetoencephalography recordings.
A recent twin study published in Human Brain Mapping has found that genetics play a significant role in brain activity during emotional and cognitive tasks, with some factors being exclusive to environment. The study used functional MRI scans on twins to analyze the relationship between genetics and environment in brain function.
A team of scientists has successfully used a neural prosthetic device to recall specific memories in adults with epilepsy. The device uses a person's own memory patterns to facilitate the brain's ability to encode and recall memory, showing promise for cognitive enhancement technologies.
Researchers have identified a network of neurons controlling right-left movements in the brain, which may help treat Parkinson's disease. The discovery provides insight into how essential movements are produced by the brain.
Researchers found that injecting a substance to block an artery and combining it with surgery significantly reduced the risk of repeat surgery for patients with subdural hematomas. The study, published at the American Stroke Association's International Stroke Conference, showed a nearly 3-fold reduction in re-operation rates.
A Northwestern University study found epigenetic changes in Alzheimer's patients' blood that increase the risk of the disease. The researchers discovered altered immune genes and proteins in the blood that could be triggered by previous viral infections or environmental pollutants, potentially leading to brain damage.
A clinical trial found that patients who received care recommendations from an AI-based system had fewer recurrent strokes, heart attacks, or vascular death within three months. The study suggests that this technology can improve patient outcomes and aid neurologists in making informed decisions.
Researchers found that positioning stroke patients with large vessel ischemic strokes at 0-degrees resulted in significant improvements in neurological function compared to those with 30-degree head positioning. This approach optimized blood flow through the narrowed artery and improved collateral arteries, leading to better outcomes.
Researchers found that adding blood thinners to clot-busting medications for ischemic strokes did not improve physical function at 90 days post-stroke. The study, MOST, enrolled 514 patients and analyzed the effectiveness of two blood-thinning medications.
Johns Hopkins researchers have made progress toward developing a blood test to identify disease-associated changes in the brain linked to postpartum depression and other psychiatric disorders. They identified 26 placental mRNAs present in maternal blood only during pregnancy, which reflected changes occurring inside the tissues.
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.
Researchers at Mount Sinai Hospital have discovered that circulating immune cells can be drawn to the brain during stress and alter emotional behavior. The study found that these immune cells release an enzyme called MMP8, which breaks down proteins in the brain and impairs social behavior.
A new poll of people aged 50 to 80 found that nearly all older adults say music helps relieve stress and improve their mental health. The study also revealed that music plays a significant role in social connections and brain health, with 98% of respondents benefiting from engaging with music.
Researchers discuss recent advances in brain mapping, emphasizing the need to establish precise neuromodulation paradigms based on individual characteristics. Individualized brain mapping methods have evolved from manual labeling to staining techniques across multiple subjects.
Eleven prominent researchers recognized for groundbreaking work in stroke and brain health, with a focus on improving treatments and addressing disparities. The honorees include experts in magnetic resonance imaging, inherited risk factors, and clinical stroke research.
A study by WVU researcher Nancy McIntyre reveals that individuals with ADHD tend to use routines and patterns to store stimuli from their environment, allowing them to make connections and file away resources for future use. This helps entrepreneurs with ADHD excel in qualities such as alertness, adaptability, and entrepreneurial intent.
A study of over 580 children found that childhood trauma disrupts neural networks involved in self-focus and problem-solving. The research suggests that trauma therapies should address not only thoughts but also the impact on the body, sense of self, emotional processing, and relationships.
Researchers discovered a new role for Mfsd7c in exporting excessive choline from the brain. The study suggests that targeting this protein could lead to therapeutic interventions for Alzheimer's disease and other neurological disorders.
A study found that tenecteplase is safe and effective for treating ischemic stroke in mobile stroke units, offering a simpler alternative to alteplase. The new medication requires only a single injection, reducing administration time and complications.
A new study by Massachusetts General Hospital researchers uses advanced brain recording techniques to identify cells involved in language production, allowing them to predict speech sounds. This finding could lead to the development of artificial prosthetics or brain-machine interfaces capable of producing synthetic speech.
Researchers at UW-Madison have developed a groundbreaking method for 3D printing functional human brain tissue, which can grow and function like typical brain tissue. The printed cells form connections, send signals, and interact with each other through neurotransmitters, mimicking the complexity of human brains.
Researchers identified 180,940 people who had suffered a recent stroke and matched them to control groups to evaluate dementia risk after stroke. The study found that the rate of post-stroke dementia was higher than the rate of recurrent stroke over the same time period.
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.
A study from VCU School of Medicine and Richmond VA Medical Center found that up to 10.3% of veterans with dementia have high FIB-4 scores, indicating a likelihood of cirrhosis. Early detection and targeted interventions can reverse cognitive decline in these patients.
Researchers found that the brain's pain modulatory system changes with age and gender, making females more sensitive to moderate pain as they get older. The study used fMRI scans to examine brain responses in men and women aged 30-86 and identified a key role for the descending pain modulatory system.
A team of neuroscientists has discovered that oligodendrocytes, myelin-forming cells, accelerate glucose consumption to deliver energy-rich molecules to rapidly firing axons. This communication is mediated by potassium signals and maintains axonal health.
Researchers used a novel microscopy technique to image human brain tissue with unprecedented detail, revealing new cells and structures previously invisible. The method could help diagnose tumors, generate more accurate prognoses, and guide treatment decisions.
A study in rats found that excessive adolescent stress alters genes associated with energy metabolism, leading to behavioral problems and psychiatric disorders in adulthood. The prefrontal cortex's response to stress was also affected, suggesting a link between mitochondrial function and emotional regulation.
A new American Heart Association scientific statement emphasizes the need for increased awareness of cerebral venous thrombosis (CVT) to facilitate prompt medical treatment. The statement updates guidelines for diagnosing and managing CVT, focusing on advancements in treatment approaches.
A recent study by researchers at the University of Texas at Arlington found that women are more susceptible to cocaine addiction than men due to fluctuations in sex hormones. The study discovered that the female sex hormone estradiol enhances the rewarding effects of cocaine, leading to increased sensitivity among females.
Research suggests that high aerobic fitness in children with overweight or obesity is linked to improved executive functions, academic performance, and larger brain volume. The 20-meter shuttle run test is a reliable predictor of brain health outcomes in this population.
Researchers found that handwriting by hand increases brain connectivity, promoting better memory formation and encoding of new information. This discovery highlights the need for more handwriting activities in schools, potentially leading to improved learning outcomes.
A new study confirms that the predominant outcome of non-fatal pediatric drowning is locked-in syndrome. Researchers found that 60% of children who survived drowning events were classified as locked in, with cognitive and sensory networks preserved in their brains.
A new MIT study found that children from lower socioeconomic backgrounds show less sensitivity to rewarding experiences, which can impact motivation and attention. The research suggests that the brain adapts to its environment by dampening its response to rewards, making it less responsive in low SES environments.
Dr. Mikhail V. Blagosklonny, a renowned oncologist, shares his personal journey with metastatic brain cancer and challenges conventional treatment approaches. He argues that targeted drugs alone cannot cure lung cancer, but preemptive combinations may offer hope.
A NTU Singapore study found that ageing alters brain cells' communication, leading to weakening connections and poorer memory in middle-aged mice. The research suggests strengthening these connections through memory training may delay age-related working memory decline.
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.
New research from the University of Copenhagen shows that physical exercise improves ability to learn and remember motor skills, such as riding a bike or driving a car. Exercise before or after practicing new skills can lead to up to 10% improvement in memory, with enhanced effects when done both times.
Researchers at Duke University developed an adaptive deep brain stimulation therapy for Parkinson's disease, targeting two key brain structures and using a novel self-adjusting device. The study found that this approach improved motor symptoms and reduced medication doses in six patients.
Researchers found that brain waves are slower in deep cortical layers and faster in superficial layers, with gamma waves dominating the topmost layers. These oscillations may play a fundamental role in brain function and contribute to disorders such as attention deficit hyperactivity disorder.
Researchers at the University of Toronto found that the liver generates palmitic acid and sends it to the developing brain when dietary levels are low. The study highlights the importance of palmitic acid for brain health, particularly during development.
Researchers found that bone marrow mononuclear cell infusion in children within 48 hours of severe traumatic brain injury reduced intensive care needs and preserved white matter. The treatment also enhanced connectivity in the corpus callosum, a midline structure in the brain.
A new approach to sensor manufacturing allows for minimally-invasive, high-resolution recording of deep brain activity, enabling the analysis of specific brain signals. The technology has the potential to enhance physicians' ability to acquire and understand brain signals at a higher resolution.
A new study led by Dr. Richard Naud of the University of Ottawa's Faculty of Medicine tackles the mystery of neuronal response variability, controlling output with dendrites' inputs to the core and little antennas