Articles tagged with Human Brain
Research from the University of Adelaide has confirmed that gene USP9X is crucial for early human brain development and intellectual disability. Mutations in this gene disrupt normal brain cell functioning, leading to disorders such as epilepsy and autism.
Researchers at Georgetown University Medical Center have discovered that a small region within the amygdala in bats is responsible for producing emotional calls and sounds. This finding may lead to new treatments for malfunctions in emotional responses, such as pathological aggression.
A recent study has revealed that human and dog brains share dedicated 'voice areas', suggesting a long evolutionary history of this neural mechanism. The research used fMRI scans to compare brain activity between humans and dogs in response to voice and emotional sounds.
Researchers at KAIST developed K-Glass, a wearable HMD with an augmented reality (AR) processor that works like human vision, improving power efficiency and speed. The processor enables efficient AR experiences in various environments, including outdoor spaces without barcodes or markers.
The European Human Brain Project, Allen Institute for Brain Science, and US BRAIN Initiative are developing new methods to study the brain in health and disease. Researchers aim to reconstruct brain structure in computer models and analyze vast amounts of brain data.
Researchers have noninvasively mapped human brain activity with unique accuracy, identifying both location and timing of brain processes. The study used a novel brain-scanning technique combining fMRI and MEG data to pinpoint when the brain recognizes objects and categorizes them.
A new study demonstrates that ultrasound directed to a specific region of the human brain can enhance sensory perception. The technique showed significant improvements in distinguishing pins at closer distances and detecting small frequency differences.
Research published in Cell Metabolism reveals that hotspots of fuel consumption in the adult brain are associated with ongoing development and remodeling. The study identifies 16 brain regions with elevated levels of aerobic glycolysis, which is linked to gene expression related to growth, synaptic transmission, and neurogenesis.
The Allen Institute for Brain Science has released major updates to its online public resources, including the Mouse Brain Connectivity Atlas, Human Brain Atlas, and more. These updates provide freely available tools and data for researchers worldwide, accelerating understanding of brain function and disease.
Researchers found that girls' brains undergo a selective process called preferential detachment, preserving long-distance connections that integrate information. This process may explain why brain function improves during maturation in females.
Researchers found significant differences in the expression of genes in male and female brains, involving 2.5% of all brain genes. These differences could contribute to the higher incidence of autism in males.
Studies on armadillos, fruit flies, nematodes, and monkeys reveal insights into progressive blindness, brain structure, and decision-making. The findings also highlight the importance of animal models in understanding human brain function and developing medical diagnostic devices.
Johns Hopkins researchers pinpointed a site in the right parietal lobe that plays a crucial role in recognizing which way is straight up and down. Disruptions to this process can cause spatial disorientation and dizziness, but the study suggests that trans-cranial magnetic stimulation (TMS) could be used to treat chronic dizziness.
A study published in PLOS ONE found that listeners' brain reactions differ depending on the speaker's perceived ability to act upon their words. Researchers used EEG recordings to compare reactions to statements made by influential and non-influential speakers, revealing a significant impact of social status on neural responses.
The BigBrain atlas provides nearly cellular resolution, allowing researchers to see details close to the level of individual cells. This high-resolution model can be used for various applications such as computational modeling, simulating brain functions and analyzing data from MRIs and PET scans.
The BigBrain project presents a landmark three-dimensional digital reconstruction of the human brain with a spatial resolution of 20 microns. This allows for unprecedented exploration of brain microstructure and cellular level details, facilitating new insights into neurobiology, cognition, and aging.
The BigBrain model is based on data from over 7,400 tissue samples and provides a detailed understanding of the normal structure of different functional areas of the brain. The high-resolution model will contribute to precise identification and evaluation of changes in the brains of patients with neurodegenerative diseases.
Researchers at Vanderbilt University used fMRI to map the brain's resting state network, confirming its relationship with anatomical structure. The study provides new insights into neural connectivity and its potential applications in diagnosing mental health disorders.
The study demonstrates that when transplanted into mice, human glial cells can influence communication within the brain, allowing animals to learn more rapidly. Human astrocytes are found to have unique functional advantages and play a significant role in integrating and coordinating neural activity.
Research shows that individuals with spinal cord injuries perceive their wheelchairs as a functional substitute for their affected body part. This perception is not limited by time since injury or experience with using the wheelchair, indicating a deeper integration of prosthetics into bodily awareness.
Researchers developed an artificial brain system that enables robots to learn and understand new sentences containing a new grammatical structure. This technology has the potential to contribute to understanding linguistic malfunctions in Parkinson's disease and improve robots' ability to acquire language knowledge.
A new study identified two neighboring areas of the cortex as processing different types of visual information independently. The researchers used magnetic fields to disrupt neural activity, revealing that one area plays a causal role in processing orientation, while another underpins shape recognition based on curvature differences.
The Human Brain Project seeks to integrate fragmented knowledge of the human brain through supercomputer-based models. Researchers will test conceptual models using simulated and real systems, aiming to refine models and develop new technologies.
The European Commission has chosen the Human Brain Project, a decade-long research initiative backed by 1.19 billion euros, to study the human brain. Eight Israeli scientists will lead a team from top research institutions across Europe and the world.
IST Austria professor Peter Jonas is one of three Austrian collaborators in the €1 billion Human Brain Project. He contributes his research on cellular and subcellular parameters, crucial for accurate modeling of the brain.
The Human Brain Project, led by King's College London, aims to simulate the human brain in a supercomputer. The project will explore social implications and develop neuromorphic computing for medical advances.
The Human Brain Project will integrate data across all scales to improve understanding of brain development and combat brain disorders. Led by McGill University's Dr. Alan Evans, the project aims to reconstruct the brain in supercomputer-based models and simulations.
Researchers mapped out how 1,705 distinct object and action categories are represented across the brain's surface, finding a continuous semantic space that organizes similar categories together. The study's results demonstrate an efficient way for the brain to represent diverse categories in a compact spatial manner.
The European Science Foundation published a report calling for an advanced understanding of the human brain, highlighting five key opportunities for research. The initiative aims to provide a framework for discussion on future research and practice in light of changes in our understanding of the brain.
Short-term alcohol intake increases brain activity and GABA-mediated signal transmission in healthy social drinkers, altering the brain's resting-state network. The study suggests a potential mechanism for the effects of alcohol on the brain.
Researchers have detected male DNA in female brain tissue, a phenomenon known as microchimerism, which is common and affects multiple brain regions. The findings suggest that this long-lasting fetal DNA may be associated with altered risk of Alzheimer's disease.
A new study tracked brain growth in human and chimpanzee fetuses, finding that human brains begin to show remarkable differences after 22 weeks of gestation. The findings suggest a faster rate of brain growth in humans compared to chimpanzees.
The study reveals that human brains are more similar than different, with the same basic molecular blueprint across individuals. Key findings include regional similarity in biochemistry, homogeneous cortex structure, and widespread gene expression across brain areas.
A new UCLA study identifies uniquely human patterns of gene activity in the brain that could deepen our understanding of human evolution and brain diseases. The research suggests that complex signaling pathways and enhanced cellular function in the frontal lobe created a bridge to human evolution, enabling higher rates of learning.
The human brain's unique cognitive capacity is attributed to a specific protein domain, DUF1220, which has more copies in humans than other species. The protein's dosage is linked to brain size, with higher numbers associated with macrocephaly and lower numbers with microcephaly.
A Yale research team has identified a single genetic switch that triggers loss of brain connections and contributes to depression. The study found that the transcription factor GATA1 represses genes necessary for synaptic connection formation, disrupting circuits involved in emotion and cognition.
The overall winner of the Wellcome Image Awards is a visceral photograph of a living human brain, showcasing its beauty and fragility. The image, taken during a surgical procedure to treat epilepsy, highlights the importance of medical photography in helping doctors make diagnoses.
A study using MRI scans found that sleep deprivation disrupts the higher brain areas responsible for making food choices, rather than basic reward centers. This impairment may explain the link between sleep loss and obesity.
A handful of genetic changes in early mammalian development created the complex structures of the human brain, including fine motor skills and cognitive abilities. Researchers identified key regulatory DNA regions that control the formation of the corticospinal system.
Researchers created a new brain map using diffusion tensor imaging, identifying 358 landmarks related to memory, vision, language, and other bodily operations. The map provides a clearer picture of brain connections and their relation to basic brain function.
Researchers used fMRI technology to scan the brains of alert dogs, revealing how they react to human signals. The study aims to decode canine mental processes and understand their empathy and language abilities.
Researchers analyzed 1,000 genes in human and mouse brains, finding high similarity and only 5% difference among humans. The dataset offers insights into neural evolution, cell-to-cell communication, and species-specific functions.
A study found that the human brain's ability to process information is the dominant limiting factor for exponentially growing internet data. The distribution of internet files shows a Weber-Fechner law, where the total amount of information grows slower than our ability to handle it.
Researchers have identified extended synaptic development in human brains relative to other primates, shedding light on the biology and evolution of human cognition. This finding suggests that the human brain remains highly plastic during early childhood, allowing it to absorb environmental information and develop intellectual skills.
Researchers from University of Warwick and Cambridge teamed up to apply fusion plasma expertise to study human brain networks. They developed methods to deal with data analysis problems similar to those faced by neuroscientists, making the first map of dynamically changing brain networks in response to surprise.
Researchers analyzed long-term imaging data to uncover coordinated anatomical changes in brain development across the cortex. They found that functionally connected regions mature together and exhibit tightly coupled patterns of growth, with notable differences between males and females.
A new study found that human brain development differs from chimpanzees and macaques, with hundreds of genes showing unique developmental patterns in the prefrontal cortex. MicroRNA activity patterns also showed significant differences, potentially linked to human-specific changes in cognitive abilities.
The Allen Institute for Brain Science has launched a new brain atlas resource, the Allen Mouse Brain Connectivity Atlas, which provides a three-dimensional map of neural connections throughout the mouse brain. The Atlas will help scientists understand how the brain is wired and what goes awry in brain diseases and disorders.
A massive study found hundreds of genetic differences between males and females as their brains develop in the womb. Genes associated with psychiatric illnesses are expressed before birth, suggesting a complex link between genetics and mental health.
Researchers found that young, human-specific genes are more likely to be expressed in the developing human brain. This correlation suggests that these genes may play a key role in constructing the uniquely powerful human brain.
A new study finds that young human-specific genes are correlated with the development of advanced brain structures, such as the neocortex and prefrontal cortex. The genes are most often expressed during fetal or infant development, indicating an early role in shaping the complexity of the human brain.
This emerging technology uses diffusion tractography to visualize white matter in the brain, offering a new window into human brain anatomy. Recent developments may tackle limitations and challenges, revealing the architecture of the human brain and its breakdown in disease.
Researchers analyzed a 2-million-year-old skull from Sediba, suggesting a more 'mosaic' pattern of human brain evolution. The brain was found to be primitive but with early glimmers of reorganization towards a human pattern.
A modified form of the enzyme Cdk5 is elevated in Alzheimer's disease patients, triggering damage to nerve cell connections. This discovery suggests that SNO-Cdk5 could be targeted for the development of new Alzheimer's disease therapies.
A recent study tracking chimpanzee brain development found that both humans and chimps have immature forebrains at birth. The study's findings suggest that this developmental delay may provide an extended period of plasticity, enabling both species to develop complex social skills.
Researchers have developed a method to reconstruct neural networks in detail, using computer programs KNOSSOS and RESCOP. The team successfully mapped over 100 neurons from the retina with high accuracy, reducing the time required compared to previous methods.
Researchers found that humans experience significant brain shrinkage and degeneration with aging, unlike chimpanzees who do not display comparable losses. The study suggests evolution led to large brains in humans, but also increased vulnerability to age-related brain diseases like Alzheimer's.
Researchers have developed a novel gene therapy system using nanoparticles that can be freeze-dried and stored for up to three months. The technology shows promise in treating brain cancer with high efficacy and minimal risk of complications, offering a potential alternative to traditional therapies.
Researchers at The University of Western Ontario used fMRI to decode action intentions from brain activity, predicting which action a person was planning seconds before execution. This breakthrough understanding of brain planning could lead to controlling prosthetic limbs for movement-impaired patients.
A recent study published in Brain Connectivity suggests that ongoing, intrinsic brain activity accounts for the majority of human brain energy usage. This finding challenges previous assumptions and highlights the complexity of brain function and structure.