Articles tagged with Human Brain
Researchers have created the first map of a human brain over the course of pregnancy, documenting changes in gray and white matter. These findings suggest that the adult brain is capable of undergoing extended periods of neuroplasticity, which may support behavioral adaptations tied to parenting.
A new study by University of Oklahoma researchers identifies key measurements of brain blood flow and ability to compensate as better predictors of mild cognitive impairment than traditional risk factors. The findings provide hope for preventing or treating memory problems early before they progress to dementia.
A new Northwestern Medicine study identifies critical language connector sites in the cerebral cortex that work together to produce language. These sites serve as connectors between subnetworks of people, serving a similar function for language in the brain.
A University of Houston team developed non-invasive, comfortable, and safe wearable sensors to monitor eyeball movements, providing early warning signs of brain-related disorders. The new sensors have potential applications in diagnosing conditions like ADHD, autism, Alzheimer's disease, Parkinson's disease, and traumatic brain injuries.
The Mount Sinai Health System is deploying blood-based biomarkers and confirmatory tests for Alzheimer's disease and related dementias, enabling early detection and intervention. The system aims to stratify patients rapidly, non-invasively, and cost-effectively.
A team of researchers discovered a class of materials that mimic the behavior of axons by spontaneously amplifying electrical pulses. These materials can harness internal instabilities to create spiking behavior and amplify signals, potentially leading to more efficient computing and artificial intelligence.
Scientists have developed new therapies that selectively remove aggregated tau proteins associated with Alzheimer's disease in mice. The approach utilises TRIM21 to target tau aggregates, leaving healthy tau intact, and demonstrates potential for other brain disorders driven by protein aggregation.
A University of Colorado Boulder study of 10,000 pre-teens found that increased wildfire smoke exposure was linked to symptoms of depression, anxiety, and other internalizing symptoms. Repeated high-level exposures had a greater impact on risk than annual averages or maximum levels.
A recent study found that children in families with high screen use struggle with language skills, while videogames have the most significant detrimental impact. The research suggests that everyday face-to-face interactions with adults are crucial for early language development, and excessive screen time can disrupt this process.
New research reveals that human-dog interactions synchronize brain activity, particularly in the frontal and parietal regions. Dogs with autism-associated genetic mutations show reduced synchronization, but treatment with LSD reverses this effect.
A new study published in The FEBS Journal found that protein C1QL1 plays a crucial role in promoting the replacement of specialized cells responsible for producing myelin. This discovery could lead to novel therapies for demyelinating diseases like multiple sclerosis.
A UCLA-led research team has identified degeneration-associated molecular markers shared by several forms of dementia. The study also found cell type-specific changes that underlie each condition, highlighting potential new therapeutic targets.
Researchers have successfully manipulated brain waves during rapid eye movement (REM) sleep using sound stimulation, which may help improve cognition in individuals with dementia. The study found that stimulating brain waves could increase their frequency, offering a promising new approach for treating the condition.
The study reveals that local field potential events play a crucial role in processing information, even without external stimuli. The findings offer new avenues for research, diagnosis, and treatment of brain diseases, as well as the development of AI inspired by neuroscience.
A new technology measures neural activity across a baby's whole outer surface, revealing unexpected brain activity in response to social stimuli as early as five months old. The device enhances understanding of how the baby brain functions and optimizes support for neurodiverse children.
A new study finds that excessive social media use is associated with a higher risk of eating disorder symptoms in 9-14-year-olds, including binge eating and distress over weight gain. Problematic screen use may contribute to unhealthy behaviors and addictive tendencies.
Researchers have successfully visualized and tracked specific cells in deep brain tissue, including along the corpus callosum's nerve fibre highway. This advancement could potentially lead to better diagnostic tools for glioblastoma, a deadly brain cancer.
A new study finds that greater trauma exposure, particularly sexual trauma, is associated with markers of accelerated brain age and neuroinflammation. Women, especially Black women, are at a higher risk of brain aging and Alzheimer's disease due to trauma exposure.
Researchers have discovered a potential treatment for traumatic brain injury (TBI) that prevents chronic neurodegeneration by targeting mitochondrial fission. P110, a small peptide agent, has been shown to halt the process and protect the brain from damage.
A UW study found that COVID-19 lockdowns accelerated brain maturation in adolescents, particularly in females, leading to increased anxiety, depression, and internalizing problems. The study suggests that social isolation and lack of normal stress release channels may have exacerbated these effects.
A $15 million gift from Sally Ross Soter will support the Go Red for Women Venture Fund, investing in health companies targeting cardiovascular, metabolic, and neurologic solutions for women. The fund aims to close the gap in women's health investment and translate research into better patient care.
A new study published in Nature Communications reveals how propofol sedation alters the connections between brain cells in the thalamus and cortex, shedding light on the neural mechanisms underlying consciousness. The researchers found that disruptions to the matrix cells' activity play a crucial role in the transition to unconsciousness.
A new study using advanced MRI techniques has discovered a functional backbone formed by robust, delay-free interactions that serve as the core of communication in the brain. Weaker connections amplify the system's potential functional states, providing flexibility.
Researchers from the University of Virginia Health System found that out-of-body experiences can foster deepened emotional connections with others, leading to increased empathy. This phenomenon, known as ego dissolution, can have a transformative effect on people's ability to experience empathy and connect with others.
The study compares nerve fiber orientation captured with specialized MRI and OCT approaches, laying groundwork for combining these imaging techniques. The findings show strong potential for PS-OCT to validate dMRI data, providing valuable insights about the microstructural organization of nerve fibers.
Researchers will combine stem cell therapy with brain-computer interfaces to restore function to patients with brain damage. The goal is to create bidirectional connections between cultured brain cells and the living human brain.
Researchers at Mount Sinai developed an AI model that predicts brain blood pressure using noninvasive data, enabling swift detection of critical changes and potentially saving lives. The study showed strong performance in detecting intracranial pressure within seconds.
A new study from Aarhus University reveals that older individuals' brains work harder to compensate for age-related changes in memory function when listening to familiar music. The study uses classical music by Johann Sebastian Bach to map brain activity and identify potential biomarkers for dementia.
A new study published in Nature Communications suggests that slow fluctuations in neural activity can give rise to the spontaneous actions we take. The researchers propose that these slow background fluctuations emerge from networks of neurons and contribute to a threshold-crossing event, which may underlie movement and other phenomena.
A recent study on anaesthetic effects on cerebrospinal fluid flow and volume reveals significant findings, potentially reshaping neuroanaesthesia practices. The research found that commonly used anaesthetics blunt the vasomotor responses and cerebrospinal fluid flow effects of carbon dioxide.
A new 'deep scanning' approach reveals that individuals with depression have a larger salience network in the frontal cortex and striatum, increasing their risk for depression. This finding suggests that people may be pre-wired for depression if they have this brain feature in childhood.
Researchers at ETH Zurich have developed ultra-flexible tentacle electrodes that can precisely record brain activity over extended periods, enabling detailed analysis of neural activity. The technology has the potential to diagnose and treat neurological disorders such as epilepsy, depression, and schizophrenia.
Researchers led by Daniela Vallentin successfully rewired zebra finches' brains using optogenetics, expanding their vocal repertoire. The findings have implications for human aging and potential therapies for neurodegenerative diseases and learning impairments.
Researchers have found evidence for place cells in zebrafish brains, allowing them to create internal maps of their environment. The brain region, telencephalon, is also thought to be analogous to the mammalian hippocampus and plays a key role in spatial orientation, social networks, and memory.
A new study using manifold learning and signal processing techniques identifies a significant correlation between adolescent brain activity and mental health symptoms. The approach, called exogenous PHATE, combines brain activation data with environmental variables to improve detection of existing symptoms and predict future ones.
Researchers Dr. Marx and Prof. Gilon propose a novel tripartite mechanism of neural memory based on metal-centered complexes within the nECM/PNN, enabling the encoding of emotive states through biochemical interactions. This new understanding underscores the need for a more holistic approach to grasp brain function and mental processes.
Researchers mapped 1.65 million cells from 437 aging brains, identifying two distinct paths of cellular change that lead to either Alzheimer's disease or alternative brain aging. These findings offer new insights into the development of Alzheimer's and how it differs from healthy brain aging.
Researchers investigated the connection between androgen deprivation therapy for prostate cancer and Alzheimer's disease. They found that ADT can exacerbate cognitive decline by increasing brain immune cell infiltration, but a combination with Natalizumab improved integrity of the blood-brain barrier and reduced inflammation.
A study published in Nature Medicine found that countries with greater inequalities have older brain ages due to environmental factors like pollution and socioeconomic disparities. Participants from diverse geographical populations showed varying levels of brain age gaps, particularly those with dementia.
A multi-university research team led by University of Virginia engineering professor Gustavo K. Rohde has developed a system that can accurately spot genetic markers of autism in brain images. The system uses generative computer modeling technique called transport-based morphometry, which reveals brain structure patterns that predict v...
Researchers at Georgia Tech have discovered that music can influence our emotions and reshape old memories, potentially aiding in the treatment of mental health disorders. By listening to film soundtracks, participants were able to incorporate new emotions into their memories, which lasted even after the music was removed.
Researchers discovered that the blood coagulation protein fibrin causes unusual clotting and inflammation in COVID-19, suppressing the body's ability to clear the virus. A promising therapeutic strategy has been identified, targeting fibrin to combat these deleterious effects.
A new algorithm has been developed to improve the accuracy of intracranial EEG data, which is critical for diagnosing and treating epilepsy. The Automated Bad Channel Detection (ABCD) algorithm demonstrated higher accuracy than human raters, particularly in identifying channels with high-frequency noise.
A new study published in the Stroke journal found that people with brain aneurysms are at higher risk of developing mental health conditions, including anxiety. The study, which analyzed data from over 85,000 people, found that younger adults were particularly vulnerable to this increased risk.
Researchers used fMRI to measure brain activity while subjects imagined six types of love. Love for children and romantic partners activated deep brain reward systems, while nature and pets activated visual areas. The study found consistent brain activation for all interpersonal loves, with differences in intensity.
Researchers found Numt insertions arise spontaneously and accumulate in brain tissues during development or lifespan. These insertions are prevalent in the human brain and can be found in fibroblasts.
Researchers at University of California - San Diego have discovered a link between environmentally induced autism and altered neurotransmitter expression in the brain. The study suggests that manipulating these neurotransmitters early in development can prevent autistic-like behaviors.
Experts predict EEG technology will enhance cognitive performance, detect learning disabilities, and provide real-time diagnosis of brain abnormalities. The technology may also enable reading dreams and memories, with personal portable devices potentially available in a generation.
A faulty copy of the ZNRF3 gene can lead to abnormal brain growth and neurological symptoms. The study found a correlation between patients' brain size and the location of mutations in the gene.
A study of over 900 children with autism spectrum disorder found that brain overgrowth is associated with increased social and communication symptoms. The research used MRI brain images and mini-brain experiments to show that enlarged brains are linked to altered Ndel1 enzyme activity, potentially affecting brain development.
A study in mice found that the bacteria Bifidobacterium breve supports healthy brain development in fetuses, improving nutrient transport and cell processes. This discovery suggests using probiotics during pregnancy may support fetal brain health and future treatments for growth restriction could focus on maternal gut health.
Researchers at UCSF have developed intelligent brain pacemakers that use AI to monitor and adjust brain activity in real-time, providing personalized treatment for Parkinson's patients. The approach, called adaptive deep brain stimulation, has shown promise in reducing symptoms such as movement problems and insomnia.
Researchers developed a new brain-computer interface that translates brain signals into speech with up to 97% accuracy, enabling a man with amyotrophic lateral sclerosis (ALS) to communicate with friends and family. The system was tested in real-time conversations with continuous updates, achieving high word accuracy rates.
A recent study published in the New England Journal of Medicine found that brain scans can detect consciousness in some unresponsive patients with severe brain injury. The study, co-led by Mass General Brigham, discovered that 25% of participants with severe brain injury who appeared unresponsive responded to instructions covertly.
Researchers identify neural basis for abstraction and inference processes in the human brain, showing coordinated brain cell activity represents learned knowledge. The study used artificial intelligence to extract relevant responses from thousands of brain cells.
Researchers have captured data from thousands of neurons in the brains of volunteers with epilepsy to reveal how a person's brain abstractly represents acts of reasoning. The study shows that the hippocampus constructs cognitive maps linked to brain functions like making inferences and learning.
A new study using mathematical models found that individuals with strong biases are more likely to make quick decisions, while those with smaller biases take longer to deliberate. The researchers suggest that understanding these patterns can help reveal the mathematics behind human decision-making in complex situations.
Researchers at UC San Diego School of Medicine used intracranial EEG to study co-rippling in the cortex, finding synchronized activity between neurons enables integration of information and conscious thought. This breakthrough has potential implications for understanding neurological and psychiatric disorders and human experience.
A study published in Neuron reveals that neurons are wired to connect seemingly unrelated concepts, enhancing the brain's ability to predict what we see based on past experiences. Visual experience influences the organisation of feedback projections, which store information about the world.
A study published in Cell Reports found that Western classical music elicits positive effects on the brain by synchronizing neural oscillations between the auditory cortex and rewards circuit. Patients with treatment-resistant depression who received high music appreciation showed better antidepressant effects, while those with low mus...