Articles tagged with Human Brain
Research found that cumulative exposure to factors like low education, childhood trauma, and financial stress negatively impacts brain structure and function. This has long-lasting effects on mental and brain health, even in healthy aging and dementia prevention.
Researcher Angus Fletcher argues that AI excels at logic but fails to replicate human creativity and problem-solving skills. He advocates for developing 'primal intelligence,' which involves intuition, imagination, emotion, and commonsense, and has developed a program to help people tap into this ability.
Researchers developed a new method to correct for variations in brain imaging measurements, reducing bias and increasing the accuracy of studies on ADHD. The traveling-subject method demonstrated reduced measurement bias while maintaining sampling bias, revealing decreased brain volume in critical regions for cognitive functions.
Researchers at UCLA have developed a wearable noninvasive brain-computer interface system that utilizes AI to interpret user intent, allowing participants to complete tasks significantly faster with assistance. The system demonstrates promising results for technology to assist individuals with limited physical capabilities.
A neural pattern predicting self-focused thinking has been identified in people with a tendency to internalize. Fluctuating brain activity during rest is associated with maladaptive self-interest, which can lead to depression and anxiety. Researchers hope their findings will help predict the onset of mental health conditions.
The Fork It Fund has awarded $1 million to support a major initiative at Stevens INI, accelerating scientific discovery by making critical research data more accessible worldwide. GAAIN is a global data-sharing platform connecting Alzheimer's disease and dementia-related data repositories from around the world.
Despite long-held assumptions, a new study reveals that the brain's somatosensory cortex holds a stable 'body map' even after limb loss. The findings have significant implications for treating phantom limb pain and restoring sensation in prosthetic limbs via brain-computer interfaces.
Two brain regions have been identified as a neural compass, allowing people to maintain their sense of direction while navigating naturalistic virtual reality cities. These regions are consistent across different city features and task phases, suggesting they track direction relative to the north-south axis.
Research at the University of Rochester Medical Center and University College Dublin has revealed key insights into multisensory integration in the brain. The study found that when changes occur in both visual and auditory inputs, auditory and visual decision processes unfold in parallel but come together in the motor system.
Researchers found that the primary somatosensory cortex, responsible for processing sensory information, has a layered structure that ages differently. The middle and upper layers remain stable or even thicken with age, while the lower layers show age-related degeneration, providing evidence for neuroplasticity.
SuperAgers, individuals with exceptional memory performance beyond their age, have been studied for 25 years. Their brains show a distinct neurobiological profile, linked to resistance and resilience mechanisms that may prevent Alzheimer's disease progression.
Researchers from the National Institute of Physiological Sciences evaluated the impact of denoising algorithms on dMRI data for detecting tissue abnormalities in glaucoma. They found that denoising increased signal-to-noise ratio and altered image appearance, but had limited effect on disease-related changes.
Researchers found measurable changes in brain signals responsible for motor control and movement after 12 dynamic cycling sessions. The study suggests long-term exercise programs could have wider restorative effects on the brain signals of Parkinson's Disease patients.
The Living Brain Project at Mount Sinai has collected over 300 brain tissue samples, revealing that 80% of genes exhibit different expression levels in living versus postmortem brain tissue. This challenges decades of neuroscience research based on postmortem samples.
Researchers developed a personalized brain stimulation system powered by AI to safely enhance concentration from home. The system, which uses non-invasive brain stimulation and adaptive AI, showed significant improvements in sustained attention and learning abilities.
Researchers at USC have developed a new understanding of how the human brain organizes its visual memories by sorting them into categories. The study, published in Advanced Science, used human patient brain recordings and machine learning to decode the category of visual image being recalled from precise neural timing.
A systematic review identified 112 studies on implantable brain-computer interfaces, which decode brain signals to control devices. The analysis found that iBCI technologies are being used to control robotic prosthetic limbs and digital technologies, but clinical outcomes were highly mixed.
A combination of two approved cancer medications may slow or reverse Alzheimer's symptoms by reversing gene expression changes in neurons and brain cells. Researchers analyzed public data from deceased donors and found a link between these drugs and reduced risk of developing the disease.
A new study from UC San Francisco challenges the traditional view of how the brain strings sounds together to form words and orchestrates the movements to pronounce them. The brain relies on a wider network of neurons across many brain areas, centered in the middle precentral gyrus, to coordinate speech-motor sequencing.
The brain segments and organizes events into experiences by placing unique bookmarks on them, allowing us to revisit and learn from our lives. The lateral entorhinal cortex creates a signal that constantly drifts in a pattern never repeating itself, marking the beginning and end of an experience.
New research suggests that blurry, color-limited vision in early childhood can contribute to the development of key brain pathways. The study proposes that such limited vision allows the brain to specialize in certain processing units, which later develop into distinct pathways for color and fine spatial detail.
Dr. Danielle Beckman's research uses animal models to understand how viruses like COVID-19 trigger neurological damage and accelerate Alzheimer's disease. Her work has established critical connections between viral infections and neurodegenerative processes.
Researchers have successfully controlled a dexterous robotic hand using noninvasive EEG-based Brain-Computer Interfaces (BCIs) for individual finger movements. The study demonstrates real-time brain decoding and motor imagery control, paving the way for potential applications beyond basic communication to intricate motor control.
The study identifies the brain circuit controlling associations between stimuli and allows for indirect associations. The amygdala plays a crucial role in linking olfactory and taste stimuli.
Researchers used advanced neuroimaging and the Julich-Brain Atlas to identify specific brain networks linked to psychopathy, finding reduced volumes in multiple regions including basal ganglia, thalamus, and cortex. This study advances research on neuropsychobiological correlates of aggression.
Researchers have discovered that multimodal pain integration in the brain significantly enhances overall pain perception when participants are instructed on how to perceive the pain. The precuneus region of the brain plays a vital role in integrating pain information into a cohesive and intensified pain experience.
Researchers discovered that a lack of sleep affects how people with migraines process pain signals in the brain. This can lead to increased sensitivity and severity of migraine symptoms, highlighting the importance of adequate sleep for migraine management.
Researchers at Uppsala University have created a model of human nerve tissue using 3D printing, enabling the testing of new drug treatments in a lab environment. This innovation allows for more precise medicine and could potentially lead to improved treatment options for ALS patients.
Researchers at UC Davis developed a brain-computer interface that translates neural activity into speech in real time. The technology allows individuals with ALS to communicate more naturally and inclusively, with 60% of synthesized words intelligible to listeners.
Researchers have identified a specific group of neurons in the brain responsible for suppressing binge drinking behavior. The discovery may lead to new therapeutic targets for treating alcohol dependency and related health challenges.
Researchers found that transcranial magnetic stimulation (TMS) can alleviate some autistic behaviors and improve mental flexibility by reducing neural rigidity. The study's results provide a biological explanation for the coexistence of diverse behavioral traits in ASD.
The study reveals that white matter microstructure in infants' brains between 3-9 months predicts their emotional development. Infants with certain brain patterns are more likely to exhibit negative emotions or improved self-soothing abilities.
Researchers at Aarhus University and University of Oxford used a novel neuroimaging method to show that the brain dynamically reconfigures its organization in response to auditory stimulation. This discovery opens new possibilities for studying brain responses to music, consciousness, and other phenomena.
A new brain training game has shown promise in treating nerve pain, with participants experiencing significant reductions in pain and comparable relief to opioids. The PainWaive technology uses EEG headsets to track brain activity and respond in real time, providing a potential non-invasive alternative for chronic pain management.
MIT researchers developed a new hypothesis for how astrocytes contribute to memory storage, proposing that they encode memories through gradual changes in calcium flow patterns. This information is conveyed to neurons via gliotransmitters released at synapses connected to astrocyte processes.
Ion channels can 'remember' previous signals, leading to changes in the receiving neuron that last for hours or days. This collective memory can accumulate over time, reducing communication between neurons and contributing to lifelong learning.
A comprehensive analysis reveals how brains generalize learning from previous experiences to new scenarios, mapping neural pathways from hippocampus to cortex. The study's findings highlight the critical role of the hippocampus and prefrontal cortex in cognitive generalization.
A new technique using focused sound waves and microbubbles has shown great promise in treating debilitating brain lesions called cerebral cavernous malformations. The approach has halted the growth of lesions almost entirely, offering a potential paradigm shift in treatment.
Preliminary research suggests that long working hours can induce neuroadaptive changes in the brain, particularly in areas associated with emotional regulation and executive function. The study found increased brain volumes in regions such as the middle frontal gyrus, which is involved in attention and problem-solving.
A study published in Alzheimer's & Dementia found that learning one's Alzheimer's risk can decrease negative emotions like depression and anxiety, but also leads to decreased motivation for maintaining healthy lifestyle changes. Researchers emphasize the importance of personalized disclosure processes to sustain healthy behaviors.
Researchers at Korea University found a link between internal bodily awareness and making decisions aligned with group consensus. This connection was mediated by brain activity states associated with self-referential processing and internal attention.
Scientists develop brain-computer interface that allows users to design distinct tactile experiences for different objects, enabling them to guess the object by sensation alone. The study represents an important step towards creating a neuroprosthetic that feels pleasant and intuitive to use.
A team of researchers used machine learning to analyze changes in astrocyte cells' structure, shedding light on heroin addiction and relapse. The study, published in Science Advances, found that specific subpopulations of astroglia exhibit more pronounced morphological changes during drug use.
The MyoStep project represents a significant advancement in pediatric mobility aids for children with cerebral palsy, addressing motor impairments that restrict participation in physical activities. The soft power suit provides a lightweight, discreet solution tailored to fit seamlessly into the lives of children and their families.
A harmful form of tau protein directly damages blood vessels in the brain, leading to inflammation and weakening the brain's protective shield. The discovery highlights the importance of focusing on early neurovascular changes mediated by tau to prevent or slow down damage to the blood-brain barrier.
Dr. Seymour Reichlin's remarkable career spanned five decades, marked by scientific excellence, mentorship, and generosity. His influence on neuroendocrinology has been profound, with ongoing contributions at age 100 revealing new insights into Alzheimer's disease and ecstatic mysticism.
Research from the University of Oklahoma suggests that women with adequate iron levels in their blood perform better on cognitive tasks during menopause. Having enough iron does not necessarily mean accumulating more iron in the brain, which is a risk factor for neurodegenerative diseases like Alzheimer's.
New research reveals that bird species with hard-to-get tree cavities have evolved heightened aggression in females. The study found a set of genes consistently altered in the brains of these birds, mirroring molecular similarity across lineages.
Researchers developed a brain decoder to restore communication between the brain and spinal cord, allowing for rehabilitation and potentially restoring movement. The decoder used electroencephalography to predict movement intention, outperforming previous methods.
A new study found that staying active through moderate-to-vigorous physical activity is associated with significantly better processing speed, working memory, and executive function in older adults. Even small changes to daily activities can have big impacts on brain health.
A recent study used AI to discover that phosphoglycerate dehydrogenase (PHGDH) is a causal gene for spontaneous Alzheimer's disease. The researchers found that altering PHGDH expression levels can significantly impact the progression of the disease, suggesting a novel therapeutic target.
The World Sleep Society releases recommendations on wearable sleep trackers, providing clear guidelines for consumers, clinicians, researchers, and manufacturers. Key takeaways include choosing a device suitable for individual use cases and focusing on fundamental sleep measures rather than specific stages of sleep.
Mind blanking is a common experience characterized by lapses in attention, memory issues, and cessation of inner speech. Studies have shown that it's associated with specific neural signatures and changes in arousal levels, leading to malfunctions in key cognitive mechanisms like memory and language.
The Simons Collaboration on Ecological Neuroscience (SCENE) is a 10-year program that will support projects aiming to uncover how the world shapes representations in the mind and brain. By integrating sensory and motor information, researchers hope to discover fundamental principles of cognition applicable across species.
A study published in Neurology found that metabolic syndrome is associated with a higher risk of young-onset dementia. Researchers identified nearly two million people between the ages of 40 and 60 who had a health check-up, and found that those with metabolic syndrome were more likely to develop dementia, including Alzheimer's disease...
A new study reveals promising progress toward predicting how patients with major depressive disorder will respond to antidepressant medications. Brain connectivity patterns were found to significantly improve predictions of treatment response across two large, independent clinical trials.
Researchers at Trinity College Dublin have found that the brain forms memories of cold experiences and uses them to control metabolism. The discovery may lead to new treatments for conditions such as obesity and cancer, which are influenced by thermoregulation and metabolism.
A study published in PLOS Biology found that individuals who receive dynamic facial-expression feedback from an avatar's face tend to gamble more than those receiving real human feedback. The amygdala plays a key role in this facilitation, with increased valuation of uncertainty contributing to increased risk-taking behavior.
Common prescription medications can disrupt sterol biosynthesis, potentially causing developmental disorders. The editorial highlights the need for mandatory sterol biosynthesis screening in clinical practice.
Research found that adolescents who slept longer performed better at cognitive tests, with those sleeping 7-25 minutes more performing better. The study also found differences in brain volume and structure between the groups.