Articles tagged with Brain
Researchers found that the auditory system uses simple acoustic parameters to distinguish music from speech, with slower rates and more regular amplitude modulation sounding more like music. This understanding can potentially benefit people with aphasia and inform the design of rehabilitation programs using music therapy.
A study in the Panamanian rainforest found that larger-brained primates did not outperform smaller-brained mammals in finding fruit. The research suggests that intelligence may not be directly linked to foraging efficiency, but could be related to other factors such as episodic memory or social complexity.
Researchers assessed brain imaging for minor, moderate, and major ischemic strokes to evaluate early direct oral anticoagulant initiation. The study found no difference in treatment effects or adverse event rates among infarct sizes.
A new study reveals that Black Americans trail white Americans in financial stability, which may impact brain health. The study found that lacking low-cost debt constrains Black Americans' ability to accumulate wealth, leading to lower cognitive function and increased risk of Alzheimer's disease.
Researchers at Harvard University have identified a specific cell type in the mouse embryonic brain that responds to an immune response in the mother, altering gene regulation and persisting in juvenile mice. This study provides new insights into how maternal immune responses might influence brain development in embryos, potentially sh...
A new study at the University of Copenhagen reveals that urolithin A, a naturally occurring substance in pomegranates, can alleviate memory problems and other consequences of dementia. The substance shows promise in improving brain function by removing damaged mitochondria.
Researchers have developed an AI algorithm that can track protein clumping under the microscope in real-time, revolutionizing the study of neurodegenerative disorders. The tool helps identify key characteristics of clumped proteins, which can lead to new therapies.
Researchers developed a modified sugar that increases the effectiveness and safety of antisense oligonucleotides, a treatment strategy for central nervous system disease. The modification, called BNAP-AEO, decreases toxic side effects while improving gene silencing in brain cancer cells and mice.
A new study reveals that traumatic intracranial aneurysms are more common and associated with intracerebral hematomas after civilian gunshot wounds, challenging conventional wisdom. Spontaneous resolution occurs in approximately 40% of patients.
A new study developed a Touch-Motion Algorithm to explore tactile sensation with spatial components, enabling participants to localize 3D motion through fingertips. The results demonstrated accurate integration of audio and tactile information in challenging environments, opening pathways for enhancing human perception and interaction.
A new study from the University of Copenhagen found that long-term exposure to air pollution accelerates cognitive decline and increases risk of dementia. The research, which followed a cohort of nurses for 27 years, also suggests that physical activity may mitigate the adverse effects of air pollution.
New research reveals exercise reverts aged microglia gene expression patterns to those of young microglia, supporting the formation of new neurons in the hippocampus. Exercise also reduces T cell accumulation in the brain, a common feature of aging.
A University of Saskatchewan researcher is building tiny pseudo-organs from stem cells to help diagnose and treat Alzheimer's disease. These 'mini-brains' more accurately reflect a fully-fledged adult human brain, allowing for closer examination of neurological conditions.
A new study published in Journal of Neurotrauma found that more than 30% of patients with traumatic brain injury who underwent withdrawal of life-sustaining treatment recovered at least partial independence. The study suggests that a lifetime in a vegetative state or severe disability is not a common outcome even after a serious injury.
A study published in Neurology found that neuropathy affects over two-thirds of people, with sharp pain being a key symptom. Researchers also discovered a strong link between metabolic syndrome and neuropathy, highlighting the need for improved diagnosis and management.
Three FAU researchers have received $1M in FDOH grants to develop innovative approaches against Alzheimer's disease. Mare Cudic aims to explore the link between glycosylation and neuroinflammation, while Ruth Tappen develops an online screening tool for older drivers with cognitive decline.
Researchers at the University of Seville discovered Galectin-3's crucial role in brain tumour progression, finding its inhibition significantly reduces glioblastoma size and brain metastases. Inhibition promotes pro-inflammatory markers and reverses immunosuppressive biomarkers, leading to improved outcomes.
Researchers have discovered that synchronization between the central circadian clock and peripheral clocks in muscle and skin is crucial for maintaining tissue function and preventing degenerative processes associated with aging. Time-restricted feeding can partially replace the central clock and enhance the autonomy of the muscle cloc...
A new study published in Nature found that sleep weakens new brain connections forged during wakefulness only during the first half of a night's sleep. The researchers suggest that this 'reset' prepares the brain for learning and new connections the next day.
Researchers have identified molecular doorways for delivering drugs into the brain using essential nutrient choline, which is transported by protein FLVCR2. Choline is vital for brain development and cell regeneration, making it a promising target for treating neurological disorders.
Researchers used deep-learning decoders to enhance a non-invasive brain-computer interface's performance in tracking virtual objects. The system allowed users to control a fast and continuously moving computer cursor using only sensor-space brain waves, demonstrating promising results for neuro-assistive robotics.
A study by Tohoku University has found that synchronized vasomotion, which efficiently delivers oxygen and glucose, may improve learning abilities and potentially delay or prevent dementia. The research used a method to monitor blood vessel dynamics in the mouse brain and induced vasomotion via visual stimuli.
A Swedish study published in JAMA Network Open found that over one million newborns were given unnecessary antibiotics for suspected sepsis despite a reduction in sepsis cases. The researchers argue that the treatment burden is too high, suggesting potential to reduce antibiotic use.
Researchers identify TRMT10C enzyme causing methylation of ND5 mRNA, leading to mitochondrial dysfunction and reduced energy supply to the brain. Impairment of complex I in the respiratory chain contributes to Alzheimer's disease pathology.
Researchers at Columbia University Irving Medical Center have created mice with hybrid brains, allowing them to use rat neurons to sense odors accurately. The study's findings suggest that adding replacement neurons isn't plug-and-play, highlighting the need to remove dysfunctional neurons for functional replacement in neurodegenerativ...
Researchers at Max Planck Institute discover that liver mitochondria adapt to food presence via nerve cells, leading to improved insulin sensitivity. This finding could pave the way for new type 2 diabetes treatments.
The position paper identifies eight key areas for digital neuroscience research, including near-term, middle-term, and long-term goals. It also discusses the potential of 'digital twin' approaches, ultra-high-resolution digital atlases, and neuro-derived AI and computing innovations.
The study reveals that experienced programmers exhibit brain responses similar to those of fluent readers processing sentences, indicating a strong resemblance between learning computer and natural languages. The research suggests that understanding how people learn to code can be informed by expertise in second-language learning.
Researchers found that older adults tend to conserve energy by modifying their movements under certain circumstances. The findings suggest that the effort costs of reaching are a determining factor in slowing movement with age. This research may lead to new tools for diagnosing diseases, including Parkinson's and multiple sclerosis.
A recent study published in PLOS Biology found that post-mitotic brain neurons re-entering the cell cycle rapidly succumb to senescence. This process is more common in Alzheimer's disease and may provide valuable information about neurodegeneration, while the technique used can be applied to other inquiries.
Scientists at Salk Institute explore the clinical potential of cannabinol (CBN) in treating traumatic brain injury, Alzheimer's disease, and Parkinson's disease. They identify four CBN analogs with improved neuroprotective ability and drug-like efficacy.
Researchers found that individuals from certain racial and ethnic groups are less likely to be eligible for Alzheimer's disease clinical trials due to lower amyloid levels at early stages of the disease. Amyloid buildup in the brain varies across different populations, contributing to underrepresentation in clinical trials.
Researchers investigate how early-stage Alzheimer's disease affects memory formation by examining synaptic connections and amyloid beta. The study aims to understand the role of NMDA receptors in synaptic plasticity and how they might be hijacked by amyloid beta, leading to memory dysfunction.
A new study reveals that people with Down syndrome are more prone to developing Alzheimer's disease due to the presence of an extra chromosome 21, which leads to increased amyloid deposits. As a result, cognitive decline occurs in their 50s, whereas autosomal dominant Alzheimer's typically starts later in life.
The Digitally programmable Over-brain Therapeutic (DOT) device, the size of a pea, activates the motor cortex, allowing patients to move their hands. The technology offers greater patient autonomy and accessibility than current neurostimulation-based therapies.
Scientists discovered that tiny brain bubbles called small extracellular vesicles carry more complete instructions for altering cellular function than previously thought. Researchers found nearly 80% of identified mRNAs were full-length, allowing them to be transcribed by recipient cells into viable proteins.
Neuroscientists have identified RNA molecules in nerve cells that persist for a lifetime, contradicting the general understanding of their short lifespan. These long-lived RNAs (LL-RNAs) play a key role in regulating chromatin and maintaining genome stability.
Scientists have discovered genetic variants in BSN and APBA1 genes linked to adult-onset obesity, type 2 diabetes, and fatty liver disease. These variants are associated with a significant increase in obesity risk, highlighting a new biological mechanism for the condition.
A study published in Brain, Behavior, and Immunity found that normal levels of interferon-β are required for normal memory function, and its absence changes nerve cell components in a sex-dependent fashion. The research also showed that higher or lower than normal levels of interferon-β affect the brain in a sex-dependent manner.
Researchers at the University of Cincinnati Cancer Center presented abstracts on new potential drugs and targets for treating various types of cancer. A study found that a brain-permeable drug called AM-101 sensitizes brain metastatic tumors to radiation, improving survival in preclinical animal models.
A groundbreaking clinical study demonstrates the potential of fecal microbiota transplantation (FMT) to improve symptoms in patients with Parkinson's disease. After 12 months, participants who received healthy donor stool transplants showed significant improvement in motor symptoms and reduced constipation.
A team of researchers from the University of Texas at Austin has developed a calibration-free brain-computer interface that allows users to control games and devices using only their thoughts. The device uses machine learning capabilities to self-calibrate, making it faster and more accessible for people with motor disabilities.
Researchers discovered that mature oligodendrocytes, critical for brain function, can survive for up to 45 days after a fatal trauma, defying the classical programmed cell-death pathway. This finding opens new avenues for understanding and potentially preventing damage caused by aging and neurodegenerative diseases.
Researchers at Stockholm University discovered that sleep affects how old one feels, with insufficient sleep adding 0.23 years to age perception. A study found that restricting sleep for two nights increased participants' perceived age by an average of 4.4 years, highlighting the importance of safeguarding sleep for a youthful feeling.
Researchers have introduced a refined method for analyzing brain signals, providing a more detailed understanding of the brain's complex activity. This enhancement enables scientists to better understand how brain activity correlates with different tasks and behaviors.
Researchers have identified PDE4B as a potential target for treating Alzheimer's disease, where reducing its activity shows promise in improving memory and glucose metabolism. The study suggests that this approach may also protect against other forms of dementia, such as Huntington's disease.
Researchers discovered how honeybees interpret dances that relay directions to food, even in complete darkness. By analyzing bee movements and antennae signals, scientists found a neural mechanism that combines sensory data from the two systems.
Academics from the University of Birmingham suggest a new approach to identifying consciousness in babies, building on adult markers. They propose clustering markers across early and late development stages to pinpoint emergence.
Four studies conclude that longer genes are most susceptible to aging due to increased potential sites for DNA damage. Long genes have more sites for damage, making them prone to degradation with age, contributing to conditions like Alzheimer's disease.
Researchers developed a new model that highlights the crucial role of interactions among neighboring contact sites of nerve cells for brain plasticity. Synaptic plasticity, the brain's method for learning, is shaped by the strength and stability of neuronal connections, which are influenced by both excitatory and inhibitory synapses.
A new study found that a viral infection can cause cognitive impairments by damaging the blood-brain barrier, leading to memory loss and learning difficulties. Researchers developed a gene therapy that stimulated the Wnt/beta-catenin pathway to prevent this damage and improve cognitive function in mice infected with SARS-CoV-2.
A Mayo Clinic study found that microglia shield neurons from the aftereffects of anesthesia, enhancing and boosting neuronal activity to awaken the brain. This discovery could lead to new treatments for post-anesthesia delirium and hyperactivity.
The novel approach enables efficient transmission, reception, and decoding of data from thousands of microelectronic chips, mimicking how neurons in the brain communicate. The sensor network can be implanted into the body or integrated into wearable devices, saving energy and bandwidth.
Researchers have solved the long-standing question of what triggers the alarm response in fish by identifying two distinct chemical signals: Daniol sulphate and Ostariopterin. These substances convey separate pieces of information that must be detected simultaneously to trigger a flight-or-freeze response.
A phase 3 trial co-led by a University of Cincinnati researcher found that subcutaneous levodopa delivery through an infusion pump is safe and effective in reducing symptoms for longer periods. The study resulted in almost two hours of additional 'on time' compared to traditional oral medication, paving the way for potential FDA approval.
Researchers found large individual differences in roundworm neural activity despite conserved neural circuits. Computer simulations including noise accurately model whole-brain activity, shedding light on neuronal connectivity and essential role of noise in brain function.
Researchers at the University of Bergen have identified a new gene linked to primary familial brain calcification (PFBC), a rare neurodegenerative condition. The discovery provides new insight into how brain calcifications occur and may help explain the development of dementia.
A study led by the University of Oklahoma's Christian Lemon investigates the role of TRPM8 receptors in oral temperature perception. The research found that these receptors are crucial for distinguishing warm temperatures from cooling sensations. Without TRPM8, the brain tends to blur the lines between warmth and coolness.
Researchers at Aarhus University have found a way to spot Alzheimer's disease before it develops into dementia using an advanced blood test analysis. The study suggests that activating the body's immune system at an early stage of the disease may slow down its progression.
A study published in Science Advances reveals that emotions are represented in the brain through a distributed network encompassing sensory, prefrontal, and temporal areas. The ventromedial prefrontal cortex emerges as a key locus for storing an abstract representation of emotions.