Researchers mapped HuD-bound mRNAs across embryonic and adult mouse brains, finding shared biological pathways. The study suggests that adult neurons use an embryonic
A team of researchers has developed a flexible neural sheet device that can record and stimulate neural activity across multiple sensory cortices in mice. The device, which is thinner than a human hair, is inserted into the epidural space to avoid brain penetration, allowing for wide-area coverage of the temporal and deep cortical areas.
A Korean research team developed a spinal cord stimulator that softens upon contact with bodily fluids, mimicking surrounding nerve tissue. The device uses liquid metal and variable stiffness structures to achieve stable signal transmission and reduced costs.
A new study reveals that astrocytes regulate inhibitory signaling in the cerebellum during development, enabling the emergence of flexible and precise motor coordination. In contrast, younger animals rely on neuron-derived tonic inhibition, which is replaced by astrocyte-derived tonic inhibition in late adolescence.
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A study published in Cornea reveals that aniridia not only alters corneal structure but also affects sensory nerve function, leading to a progressive decline in corneal sensitivity. In adulthood, patients experience difficulty distinguishing stimulus intensity and reduced tear production, compromising eye defense mechanisms.
Scientists developed a wireless device that uses light to send information directly to the brain, bypassing natural sensory pathways. The soft device delivers precise patterns of light through the bone to activate neurons across the cortex, allowing mice to learn and interpret meaningful signals.
Researchers discovered that pancreatic tumors form pseudosynapses, exploiting the body's nervous system to drive tumor growth. Calcium waves triggered by glutamate binding promote metastasis and cancer progression.
Researchers developed a time-resolved cryo-ET method to capture snapshots of cultured neuronal synapses. The study identified a 'kiss-shrink-run' pathway that unifies the debated 'kiss-and-run' and 'full-collapse' fusion mechanisms, providing a structural basis for efficient synaptic transmission.
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Research uncovers how glutamate regulates pediatric brain tumor growth, suggesting novel approaches to treating these cancers. Inhibiting glutamate receptors has been shown to reduce human pediatric brain tumor growth in mice.
A team of researchers from Okayama University has identified SNAP25 as a key component in the transmission of sour taste signals and the long-term survival of type III taste cells. The study found that mice deficient in SNAP25 had impaired responses to sour-tasting substances, highlighting the importance of this protein in maintaining ...
Researchers at the University of Michigan have identified a complete sensory pathway for sensing cool temperatures, which is separate from the pathway for hot temperatures. This discovery provides insight into how the skin detects its surroundings and responds to environmental changes.
Researchers discovered that sign trackers, which prioritize interacting with cues over waiting for rewards, rely on dopamine in specific brain regions. The study found that inhibiting dopamine prevented rats from learning to sign track, while increasing dopamine did not speed up the process.
Researchers developed a novel neuron-like interface material and bioelectronic platform that enables seamless integration and adaptive communication with neural systems. The platform, termed ferroelectric bioelectronics (FerroE), integrates neuron-like flexibility, surface topography, and functional behaviors into a single system.
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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.
Researchers have discovered that the brain uses separate synaptic transmission sites to regulate spontaneous and evoked activity, a process essential for learning, memory, and mental health. This dual system enables the brain to maintain stability while adapting and learning.
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.
Researchers found that insulin signaling changes affect both Alzheimer's disease and epilepsy in animal tests. This discovery confirms clinical evidence of increased risk of Alzheimer's in people with epilepsy and highlights the need for a broader therapeutic approach to address the complex nature of Alzheimer's disease.
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Researchers found that astrocytes transmit signals, revealing new ways the brain processes information. The study provides direct evidence for the real-time action of astrocytes in live brains of fruit flies, suggesting their role in mediating neurophysiology and behavior.
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.
Researchers have identified the medial prefrontal cortex (mPFC) as the basis of emotional inference in animals and humans. In a study published in Nature, Xiaowei Gu and Joshua Johansen found that rats can learn inferred emotions by associating a neutral stimulus with an unpleasant experience.
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A comprehensive review article synthesizes decades of research on stress hormone systems in primate brains, revealing key differences between rodents and primates. The findings highlight the importance of considering anatomical differences when developing treatments for stress-related psychiatric disorders.
Researchers propose a new model for understanding how information is transmitted in the brain by describing a unique axon morphology that changes size and modulates action potential speed
New research led by Andrija Sente uncovers the atomic structure of GABA <sub> A </sub> receptors, revealing unique subunit combinations that create previously unrecognized receptor types. These findings highlight the need to account for variations in drug development to avoid unintended binding sites.
A new study has identified 16 distinct types of nerve cells in humans, challenging the long-held assumption that each type of sensation is linked to a specific nerve cell. The research reveals complex interactions between these nerve cells and their functions.
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Researchers have created a magnetoelectric material that can directly stimulate neural tissue, potentially treating neurological disorders and nerve damage. The material generates an electric signal that neurons can detect, overcoming previous limitations.
A genome-wide screen in C. elegans reveals potential targets to delay motor aging, including VPS-34 inhibition. Partial inhibition improves neurotransmission and muscle integrity, ameliorating motor aging in worms and mice.
Researchers at UC Davis discovered how oligodendrocyte-lineage cells transfer cell material to neurons in the mouse brain, providing a new mechanism for understanding brain maturation and finding treatments for neurological conditions. This discovery opens new possibilities for treating neurodegenerative diseases like Alzheimer's and P...
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A new UC Davis study has identified 194 significantly different genes in the brains of people with autism, with many linked to brain connectivity, immune response, and inflammation. The research also found age-dependent differences in genes related to synaptic function and cell loss.
A team of researchers has determined the three-dimensional atomic structure of NKCC1, a human chloride transporter crucial for regulating ion balance in the body. The study reveals a surprising mechanism for releasing ions into cells, which could lead to novel compounds for treating kidney and brain disorders.
A study published in PLOS Biology reveals that glutamate signaling regulates the seasonal response of bean bugs' reproduction, controlled by circadian rhythm genes. The researchers found that extracellular glutamate levels were higher under short-day conditions and disrupted when reduced or increased.
Researchers from Rice University, Duke University, Brown University and Baylor College of Medicine developed a magnetic technology to wirelessly control neural circuits in fruit flies. They used genetic engineering to express heat-sensitive ion channels in neurons that control the behavior, and iron nanoparticles to activate the channels.
A new study suggests that supplementing a diet with Ascidiacea, also known as sea squirts, reverses some main signs of aging in animal models. The researchers found that plasmalogens, vital to body processes, decrease with age and contribute to neurodegenerative diseases like Alzheimer's and Parkinson's.
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A University of South Florida study suggests targeting kappa-opioid receptors may alleviate working memory deficits and improve executive function in individuals with severe alcohol use disorder. A compound blocking these receptors alleviated working memory deficits and restored normal executive function.
Researchers use X-rays to activate opsins in neurons, allowing for remote control of neural function and behavior. Scintillators emit visible light in response to X-ray irradiation, enabling the technique without tissue damage.
A diet high in ultra-processed fats and sugars is associated with increased inflammatory molecules, excitability of muscle nerves, and musculoskeletal neurotransmission. This study found that a six-week hypercaloric diet in mice increased neuromuscular transmission, leading to muscle pain.
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A team of international scientists used big data analysis to study how neurons communicate with each other in the brain, identifying patterns related to memory and discovering major proteins responsible for changes observed in neurons.