Articles tagged with Brain
Researchers found box jellyfish use four of their 24 eyes to navigate through mangrove swamps by detecting the canopy's visual field. This ability allows them to avoid obstacles and control swimming rates in shallow waters.
Retired NHL players will undergo comprehensive cognitive testing, brain scanning, and blood sampling to identify risk factors associated with cognitive decline and dementia. The study aims to better understand the aging brain in professional athletes and the general population.
Scientists found that brain's estimate of gravity direction biases perception of object stability, with better judgments when upright than on side. The study has implications for existing theories of human perception and suggests integrating multisensory information.
A recent study found that teenagers retain a unique and consistent pattern of underlying brain oscillations even during periods of rapid neural change, lending support to the idea of a 'brain fingerprint',
The USC Viterbi team built a carbon nanotube synapse circuit that reproduces neuron input behavior, a significant step towards developing brain prostheses. The fabricated synapse is simplified, but understanding the process of human intelligence could lead to breakthroughs in prosthetic technology and intelligent cars.
Bertil Fredholm is awarded the 2011 ECNP Neuropsychopharmacology Award for his groundbreaking research on adenosine and its receptors. His work has significantly advanced understanding of CNS mechanisms and provided new targets for drug development across brain disorders.
The human super-brain is believed to have emerged in Africa no later than 75,000 years ago, fueled by the development of bipedalism and tool-making. This collective mind enabled the creation of complex thoughts, language, art, and technologies.
Dr. Jamie Tyler will discuss medical uses of ultrasound in treating neurological disorders such as depression and anxiety through selective brain stimulation. The presentation aims to explore the safety and efficacy of emerging technologies like ultrasound for non-invasive therapies.
Researchers found that older bilingual adults use context more to process language as working memory capacity declines. Bilingualism is associated with a cognitive advantage, and this study sheds light on how bilingual brains adapt to aging.
SLU professor of neurosurgery Saleem Abdulrauf's high-flow brain bypass procedure improves treatment outcomes by reducing invasive procedures and maintaining blood flow in the brain. The technique is built upon the original brain bypass surgery developed in the 1960s and has been recognized for its potential to minimize recovery time.
Johns Hopkins scientists have discovered a molecular wrecking ball called thorase that regulates the demolition phase of a cycle at synapses, critical for learning and memory. The enzyme's activity can be harnessed to create new treatments for autism, post-traumatic stress, and memory dysfunction.
Researchers at the University of Nottingham discovered a simple illusion can reduce and even eliminate arthritic pain in the hand, affecting 85% of volunteers. The MIRAGE technology uses computer manipulations to trick the brain into feeling less pain, with some participants experiencing temporary elimination of pain.
Researchers have found that brain nerve stimulation can accelerate learning in laboratory tests, leading to new understanding of how the brain learns and encodes new skills. The study also showed that large changes in the brain are meaningful and not merely coincidental.
A new MRI device guides surgeons during electrode implantation, potentially cutting surgery time in half and making the procedure faster and more comfortable for patients. The device was developed by a team of UCSF neurosurgeons and radiologists to improve deep brain stimulation outcomes for Parkinson's disease patients.
A new study found that areas of the brain affected by Alzheimer's disease may start shrinking up to a decade before dementia is diagnosed. The researchers used MRI scans to measure brain size in people with no memory problems and followed them for years to see who developed the disease.
A new study by neurobiologist Hitoshi Morikawa found that repeated ethanol exposure enhances synaptic plasticity in a key area of the brain. This increased capacity for learning, or 'conditionability,' may help explain why alcoholics become more receptive to forming habits and memories related to food, music, and social situations.
A new study reveals that Iraqi refugees are disproportionately affected by brain and nervous system disorders, with 4% of all registered refugees having a diagnosed condition. The most common diagnoses were epilepsy, back pain, and headache, with many refugees experiencing torture-related injuries.
A 3-month study of 16 elderly women found that brisk walking improved brain blood flow by 15% and increased oxygen consumption. The study suggests that vascular health may be linked to brain health, and that moderate exercise can be beneficial in the senior years.
A 3-month study found that brisk walking for 30-50 minutes three to four times a week improved brain blood flow by 15% in elderly women. This increase in blood flow may improve cognitive function and delay the onset of Alzheimer's disease.
A study found that cultural differences in spontaneous trait inference, or inferring personality traits from behavior, are present in both behavioral and neural responses. This suggests that cultural influences shape our immediate responses to others' behaviors, rather than just intentional deliberate effort.
Researchers at UCSF found that older adults have difficulty switching between tasks due to brain network inefficiencies, affecting working memory and multitasking abilities. The study suggests that attention and memory interaction plays a crucial role in this process.
A recent study by the University of Edinburgh has shed light on how older people experience memory loss, revealing a stress hormone receptor's role in this process. The research found that high levels of cortisol, a stress hormone, activate brain processes contributing to memory impairment.
A study found that higher levels of the protein clusterin in blood are associated with increased prevalence and severity of Alzheimer's disease. However, clusterin levels do not predict the development of new AD cases or all-cause dementia.
Researchers have uncovered five new genes that increase the risk of developing Alzheimer's disease, adding to a total of ten identified genes. The study found that these genes are clustered in patterns, implicating immune system and cholesterol processing as risk factors.
An intensivist-led approach to caring for brain dead donors can lead to a greater likelihood of recovering organs for transplant. This team-based care involves monitoring and managing donor bodies to optimize organ function and increase the pool of available organs.
Researchers discovered that the brain processes mirrored words automatically and unconsciously in a matter of milliseconds. This finding opens up new avenues for studying dyslexia and other reading problems.
A study published by Scottsdale Healthcare and TGen identified microRNA-328 as a biomarker that can predict lung cancer patients' risk of developing brain metastasis. The study found that over-expression of microRNA-328 resulted in increased cancer cell migration, suggesting its involvement in 'brain-seeking' metastatic potential.
Researchers have identified key aspects of learning based on decades of research, including repetition, reward, visualization, active engagement, and others. These neurobiology-based strategies can improve retention and depth of understanding in medical education.
Researchers at the Salk Institute have developed a mathematical framework to understand how neurons in the retina encode visual information. The study reveals that only information about pairs of temporal stimulus patterns is relayed to the brain, with higher-order combinations being less important than previously thought.
A new medical device developed using submarine technology detects, diagnoses, and monitors stroke with high accuracy. The device can differentiate between normal brain activity and life-threatening conditions, allowing immediate treatment to begin.
A new approach to studying the brain uses a mathematical sequence to strengthen fMRI data, revealing how nerve cells represent information. This method measures changes in brain responses and corrects an important limitation of fMRI, making it more powerful than before.
Researchers found two ways neurons communicate: synchronized firing for simple messages and individual spikes for complex ones. This collective approach enhances transmission, but not for intricate information.
Researchers at Concordia University have developed a novel algorithm to detect epileptic seizures in real-time, analyzing EEG recordings of patients' brains. The new method has been shown to be highly accurate, detecting every seizure while scoring extremely low false positives rates, and may have applications beyond epilepsy.
A study published in Psychological Science found that disbelief in free will impairs brain activity before conscious intention, while belief in self-mastery enhances readiness to act. This suggests that believing in one's ability to control their actions may lead to better performance and motivation.
Researchers found that brain plasticity, the brain's ability to change and reorganize itself, can be improved in elderly subjects with mild cognitive impairment (MCI) through a simple memory training program. This increases correct answers by 33% and opens new avenues for research into slowing Alzheimer's disease progression.
Researchers deciphered a molecular code that regulates brain channel protein activity, modulating neuronal excitability. SNX27 distinguishes GIRK channels from similar proteins, targeting them for destruction and affecting substance abuse behaviors.
A team of researchers has identified a phenomenon known as 'cotransmission,' where brain neurons use two different methods of communication to exchange information. This discovery could lead to a better understanding of the mechanisms behind brain diseases such as schizophrenia, Parkinson's, and depression.
A new study found that gene therapy NLX-P101 improved motor performance and control of Parkinsonism symptoms in half of patients, offering hope for the treatment of neurodegenerative disorders. The therapy has been safe and well-tolerated over a six-month period.
A team of University of Texas at Austin engineers is working on novel algorithms to enhance the efficiency of mobile video streaming, reducing the demand on wireless networks. The goal is to deliver high-quality videos with fewer bits, while improving network capacity and reducing interference from base stations.
Researchers at the University of Edinburgh identified a critical protein that maintains nerve fibre health, potentially improving understanding of neurodegenerative disorders. The discovery could lead to new insights into conditions like epilepsy, dementia, and stroke by unraveling the complexities of brain function.
A University of Alberta researcher suggests that excessive prenatal testosterone exposure may contribute to giftedness, leading to increased brain connections and distinct personality traits. Further research is needed to determine the exact processes involved in gifted brain development.
A Vanderbilt study found that exercise significantly reduced cannabis cravings and use in heavy users. Participants who engaged in 10-30 minute treadmill sessions for two weeks saw a 50% decrease in cravings and average daily use dropped from 5.9 joints to 2.8 joints.
A new study at UCSF reveals that brain implant surgeries can dramatically improve life for people with severe cervical dystonia. The procedure targets a previously untested part of the brain, showing promise in reducing pain and spasms while improving quality of life.
A Brown University study uncovers a novel protective effect of the molecule putrescine on brain activity after epileptic seizures. Putrescine converts into GABA, calming brain activity and increasing resistance to subsequent seizures.
A new study from Massachusetts General Hospital reveals that alpha brain rhythm persists during sleep and signifies vulnerability to external stimuli. The findings could lead to more precise approaches to inducing and supporting sleep, with potential applications in real-time tracking of sleep states.
A new study reveals that glycogen synthase mistakenly incorporates phosphate molecules into glycogen, leading to the accumulation of 'wrecked' glucose in neurons and the formation of deposits called Lafora bodies. This discovery may lead to a viable therapeutic intervention for Lafora disease, which has no current effective treatment.
A recent study published in the Journal of Experimental Medicine found that a specific gene variant can predict the severity of disability after a stroke. The Tp53 gene variant influences cell death and is linked to more severe disability in patients who exclusively express the R variant.
A University of Maryland School of Medicine study identified two genes associated with binge drinking, GABA receptors and TLR4, which may lead to new therapies for excessive alcohol consumption. The study found that manipulating these receptors caused a reduction in binge drinking behavior.
A recent study published in Nature Neuroscience reveals a potential link between immunity, infectious disease, and conditions such as schizophrenia and autism. Researchers found that an immune molecule called Major Histocompatibility Complex type 1 (MHC type I) regulates brain connections during early postnatal development.
Researchers use fMRI to probe for higher-level cognitive functioning in severely brain-injured patients, finding a wide variation in response capabilities. The study suggests that no bedside exam can accurately assess cognitive function in these patients, highlighting the need for further exploration and understanding.
A team of scientists at Karolinska Institutet has successfully created an illusion of having three arms by using a realistic prosthetic arm. Healthy volunteers were tested and found to experience a third arm as part of their body image, even when it was threatened with harm.
A study from Emory University and the University of Vermont has found a link between high blood levels of hormone PACAP and post-traumatic stress disorder (PTSD) in women, but not men. The hormone modulates central nervous system activity, metabolism, and immune function.
Swedish scientist Laura Fratiglioni's research shows that active mental, physical, and social activities can preserve cognitive functions and lower the risk of developing dementia. Factors such as blood pressure, weight, and genetics also play a role in determining an individual's risk.
Researchers can manipulate the brain's perception of its own body, allowing for new prosthetic limbs and virtual reality experiences. This technology has significant implications for fields like medicine, psychology, and robotics.
A new study reveals that children born small with large placentas exhibit more activity on the right side of their brains, linked to mood disorders like depression. This finding suggests that adverse environments during pregnancy can cause long-term changes in brain function.
Research suggests that bilingual speakers outperform monolinguals in certain mental abilities, such as editing out irrelevant information and prioritizing tasks. This 'mental juggling' skill allows bilinguals to better navigate between languages and enhances their cognitive flexibility.
Three Canadian researchers present innovative findings on the cognitive benefits of bilingualism, the early stages of language acquisition, and the neurological basis of stuttering. Their work has significant implications for our understanding of human brain function and development.
Swiss researchers employ virtual reality and brain imaging techniques to investigate the science behind self-consciousness. By immersing subjects in avatar environments, they explore how the brain integrates touch and vision to create a coherent perception of the body.
The Society for Neuroscience has launched BrainFacts.org, a nonprofit online source providing authoritative public information about brain research, thanks to $1.53 million in funding. The site will offer interactive content, multimedia resources, and accurate information on brain diseases, disorders, and health promotion.
A study by researchers from the Brain and Creativity Institute at USC found that White Americans respond faster to pictures of themselves than to pictures of their boss, while Chinese people in China respond fastest to pictures of their direct supervisor. This suggests cultural differences in responses to authority figures.