Articles tagged with Brain Structure
Researchers collect first solid evidence of brain activity pattern similarity between experimental conditions and everyday conversation. The study's novel method allows for real-life brain monitoring, potentially enabling applications like communication devices for patients with strokes.
Scientists at the University of Washington have identified a population of neurons in the brain that tell the brain to shut off appetite. In mouse trials, activation of these neurons led to immediate loss of appetite and reduced food intake.
A study found that migraine can cause long-lasting changes in brain structure, including increased risk of brain lesions, white matter abnormalities, and altered brain volume. Migraine with aura is associated with a higher risk of these changes compared to those without aura.
Researchers analyzed anatomical connectivity in the brains of subjects with Alzheimer's disease and healthy older individuals, finding widespread network disruptions. The study also identified asymmetry in the proportions of fibers connecting left and right cortical regions, which may worsen as the disease progresses.
Researchers used magnetoencephalography to track brain activity at high temporal resolution, revealing new distinctions in resting and active brain regions. The study provides novel insights into how brain networks function in cooperative groups, which is essential for better diagnosis and treatment of brain injuries.
Researchers have detected perfluoroalkyl substances (PFASs) in the brain tissue of polar bears, which could have severe impacts on human health. The study suggests that PFASs are crossing the blood-brain barrier and accumulating in all parts of the brain, highlighting the need for further research into their effects.
A team of researchers from Imperial College London has developed a map of a typical bird brain, showing how different regions are connected to process information. They discovered that areas important for high-level cognition, such as long-term memory and problem-solving, have similar wiring patterns to those in human brains.
Researchers at UCLA discovered that brain activity in the temporoparietal junction (TPJ) is linked to persuasiveness and idea sharing. This finding could lead to more effective public health campaigns, advertisements, and communication strategies.
A study by Duke University researchers has discovered that the brain's ventromedial prefrontal cortex, a small area between the eyes, calculates both emotional and economic values. The vmPFC plays a key role in value tradeoffs, such as determining whether to part with hard-earned money for a product.
A study using fMRI found that stroke patients' brains exhibit strongest activity in damaged hemisphere regions when viewing actions they struggle with. This suggests a potential therapeutic technique using action-observation to drive plasticity and improve motor function.
New research shows that craving drugs like nicotine can be visualized in specific brain regions, suggesting abnormal interactions between decision-making brain areas could underlie addiction. Dr. Alain Dagher's study found that the dorsolateral prefrontal cortex regulates cigarette craving in response to drug cues.
Researchers have identified the V5 region of the brain as the site of motion prediction, enabling humans to perceive objects at predicted locations despite visual processing delays. This discovery has implications for understanding and diagnosing disorders affecting motion perception.
Researchers from Queen Mary University of London used complex networks to map human brain connections, finding symmetrical neurons may drive synchronized activity across distant regions. This breakthrough adds to recent findings on neural network growth and development.
A study using fMRI found that first-year college students' brains showed habituation to alcohol-related stimuli and alterations in cognitive control networks. Changes in neural connections may influence decision-making and judgment abilities. The research suggests that exposure to alcohol cues can disrupt brain development, particularl...
A single concussion can cause lasting structural damage to the brain, according to a new study. Brain atrophy has been found in patients one year after mild traumatic brain injury (MTBI), which may explain long-term neurological and psychological symptoms. The study also identified specific brain regions affected by MTBI.
Scientists at Johns Hopkins University developed a new method called CETS to identify heterogeneous brain cells through epigenetic variation analysis. This will simplify the study of brain pathologies such as depression and age-associated disorders.
Researchers mapped brain regions where individual differences occur, finding variability in areas integrating information and controlling attention. This study provides insights into brain evolution and development, potentially linking diversity of human abilities to specific brain region expansions.
Researchers have found that doctors can experience their patients' pain and relief when treating them, with brain activity similar to placebo therapies. The study also shows that physicians' ability to empathize with patients affects their satisfaction during treatment.
New research reveals insulin's role in reducing desire for food after eating, impacting environmental triggers of overeating. The study found that insulin affects the ventral tegmental area, a region linked to reward-seeking behavior and addictive behaviors.
Researchers have identified specific brain areas that interact to compute confidence in decisions, allowing individuals to assess their choices. The study used fMRI to measure activity in the brains of volunteers while they made food choice decisions.
Researchers found that comatose patients' brain networks are restructured in a radical way, with some regions becoming hubs and others less connected. This changes could be linked to consciousness disorders and may help clinical practitioners diagnose comatose patients more accurately.
Research reveals obese children exhibit greater brain activation in reward regions when exposed to food logos compared to healthy weight peers. Healthy weight children show increased self-control and brain activity associated with controlling cravings.
A study published in Frontiers in Neuroscience found that musical duets show coordinated brain oscillations, even when playing different voices of the same song. This suggests a direct neural basis for interpersonal coordination, with synchronized brain activity observed in regions associated with social cognition and music production.
Researchers use electroencephalography to analyze brain activity before training on Space Fortress, a cognitive research video game. The study found that subjects with more powerful alpha wave oscillations tend to learn faster and improve reaction time and working memory.
A new study found that newborn rats' whisker twitches are linked to bursts of brain activity, suggesting a crucial role in developing sensorimotor systems. The discovery sheds light on the importance of involuntary movements during sleep in infant brain development.
Researchers have identified distinct brain regions involved in social decisions and reactions, shedding light on the neural basis of basic social behaviors. These findings may help address conditions such as autism, psychopathology, and schizophrenia, which involve social dysfunctions.
Researchers found that global brain connectivity, specifically with the left lateral prefrontal cortex, explains 10% of individual differences in intelligence. The study suggests that this connection enables flexible hub-like function, monitoring and influencing other brain regions to accomplish tasks intelligently.
Researchers mapped brain activity in 892 cognitively normal individuals and found that Alzheimer's patients spend more time using certain roads and less time with others. This suggests that varying brain activity may reduce the risk of Alzheimer's disease, potentially through activities like exercise, education, and social connections.
A new study at Duke University found that the temporal-parietal junction (TPJ) is responsible for processing information related to social interactions. The TPJ was active when subjects made decisions against human opponents, but not against computer opponents.
A new study suggests that viewing images of high-calorie foods stimulates the brain's appetite control center, leading to increased desire for food. The research found that this stimulation may contribute to overeating and obesity, particularly in high-risk populations such as Hispanic young women.
Researchers at the University of Granada found that many healers exhibit emotional synesthesia, allowing them to associate people with colors and emotions. This neurological condition enables them to read people's feelings and provide empathy.
Researchers have discovered a new, non-invasive diagnostic method for Alzheimer's disease (AD) using advanced brain imaging technology. The technique analyzes specific brain chemical changes in the hippocampal region of the brain, providing a signature of early AD stages.
A new study finds that prenatal exposure to the insecticide chlorpyrifos may lead to long-term changes in brain structure, potentially resulting in cognitive deficits. The study used MRI to evaluate the brains of 40 New York City children and found associations between higher exposure levels and brain anomalies.
Aesthetic experience activates brain regions associated with inward contemplation and self-assessment, according to NYU researchers. The study's findings suggest that artistic appeal may be universally experienced, despite individual differences.
A new method using florbetaben PET scans may help diagnose Alzheimer's disease earlier by detecting beta-amyloid plaques in the brain. The study found a sensitivity of 77% and specificity of 94% compared to post-mortem diagnosis, with even higher accuracy for visual assessments.
Researchers found structural differences in brains of healthy carriers of the CNTNAP2 gene variant, which may contribute to increased vulnerability for autism. The study suggests that genetic variations can affect brain connectivity and signaling, leading to functional abnormalities characteristic of neuropsychological disorders.
Researchers describe three quantitative MRI techniques to characterize white matter properties, shedding light on aging, disease, and gender differences in brain function. These methods show promise in multiple sclerosis, depression, and human development.
A study published in Nature Neuroscience found that synchronized brain oscillations between the frontal and visual areas of the brain are crucial for remembering visual information over a short period. The more synchronized the activity was, the better animals could remember images.
A study by Australian researchers found that heart failure is associated with a decline in people's mental processes and a loss of grey matter in the brain. This can lead to difficulties in remembering medication and carrying out instructions. The study suggests that simpler approaches to self-management may be required.
Researchers found that low iron levels in adolescence can affect the brain's physical structure, leading to changes in brain regions vulnerable to neurodegeneration. High iron levels during adolescence may also impact brain wiring and myelin production, potentially increasing the risk of diseases like Alzheimer's and Parkinson's.
A study by Eleanor Maguire found that taxi driver training increases gray matter in the hippocampus, a brain area responsible for memory and spatial navigation. The brain's plasticity allows it to adapt to new tasks, even in adulthood.
Acquiring London's complex street layout causes structural changes in the brain and improvements in memory, particularly for capital-based information. This suggests that even adult life can lead to brain plasticity and adaptation through learning.
A new study found that healthy individuals with more gray matter in their decision-making brain region can better evaluate rewards and consequences. In contrast, cocaine addicts have reduced gray matter volume in the same area, leading to impaired reward processing and increased risk of addiction.
Researchers find synesthesia is an authentic phenomenon with sensory basis, common among artists and novelists. The 'synesthesia gene' may have evolved to make highly creative individuals more prone to link unrelated ideas.
A recent study reveals that individuals with grapheme-color synesthesia exhibit increased activity in the brain's visual cortex, a finding that provides insight into the neural mechanisms underlying conscious awareness. The research also suggests that the brains of synesthetes may be more excitable than those without the condition.
A study published in Nature Neuroscience reveals that fair sanctions are orchestrated by the interaction between two frontal brain regions: the dorsolateral prefrontal cortex and the ventromedial prefrontal cortex. This communication is crucial for punishing norm violations at one's own expense.
Measurable changes in brain function and communication between regions may indicate disease progression in early HIV infection. Cognitive decline is associated with reduced survival time and increased risk of death.
A study published in Neuron found that brain regions beyond the reward centers engage when playing games, suggesting a more widespread role for reward processing in the brain. The research used multi-voxel pattern analysis to identify patterns of brain activity associated with wins and losses.
Research finds speaking and understanding speech use same areas of the brain, with no involvement of motor regions when listening, contradicting previous assumptions. The study suggests that language-related problems may not always be independent, and offers new avenues for treatment.
Research confirms fast ripples as a reliable marker for the brain region responsible for seizure activity in children. Resection of brain regions with fast ripples and seizure-onset zones may lead to better seizure outcomes, suggesting a new surgical approach to improve treatment.
New imaging tools and techniques are advancing our understanding of brain structure and function, particularly in relation to neurological disorders. These breakthroughs are contributing to insights into healthy brain development and adult life, as well as the complex networks that link brain activity.
Researchers found that domain expertise insulates experts from biases caused by monetary favors, using functional MRI scans. Non-experts, however, are more susceptible to such biases, which can affect their judgments in various areas, including politics and medicine.
Researchers used internet traffic modeling to study brain networks, revealing that timing patterns of information emission are indicative of info flow. This method can be applied to study neurological development, aging, and disease, indicating a potential new approach in neuroscience.
Researchers found that higher cell chatter in affected regions boosts amyloid beta levels, contributing to plaque formation. Studies on mice suggest reducing activity in these regions may help prevent Alzheimer's plaques.
A recent study published in PLOS ONE found that the human brain is wired to recognize familiar objects, including faces and animals, in their typical upright orientation. The research used fMRI scans to measure brain activity in response to camouflaged faces and animals, revealing a strong bias towards recognizing upright visuals.
Researchers at UBC discovered that real-time fMRI feedback significantly enhances people's ability to control their thoughts. By monitoring the brain region responsible for higher-order thoughts, participants could effectively train their brains and improve mental focus.
NJIT professor Bruce Bukiet predicts the Major League Baseball winners using his mathematical model, which takes into account various factors such as team performance and player statistics. His predictions aim to promote the power of math and show how it can be used to analyze complex issues.
A study found that individually tailored public health messages activate brain regions related to self-awareness in smokers, leading to increased quit rates. The research suggests that these tailored messages are more effective than one-size-fits-all approaches.
Researchers found that the brain area responsible for reading is active in blind individuals who read Braille, challenging the idea of sensory specialization. The study suggests that the brain is a task-oriented system that can adapt to new tasks without prior experience.
Researchers at UCLA have identified a molecular program that drives brain cell connections after stroke, activating genes to form new connections. The program differs between young and aged adults, with older brains slowing down recovery through simultaneous activation of repair and collapse genes.