Articles tagged with Neural Inhibition
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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 at Texas Tech University Health Sciences Center have received a $1.94 million grant to study inhibitors that target peripheral neuropathic pain. The project aims to develop novel non-opioid and non-addicting therapies capable of effectively managing chronic pain.
A new study by Martin-Luther-University Halle-Wittenberg found that brain stimulation can influence decisions, making choices faster with anodal stimulation and slower with cathodal stimulation. The research used transcranial direct current stimulation to activate or inhibit specific brain regions.
Researchers discovered senolytics can target Alzheimer's disease-associated brain enzymes AChE and BChE without affecting healthy ones. This selective approach may lead to safer treatments that improve memory and reduce inflammation in older adults.
Binghamton University researchers have created a hydrogel electrode that includes conductive carbon nanotubes to monitor nerve activity in spinal cord neurons and leg muscles in mice. The technology solves the problem of rigid materials causing damage during movement, allowing for long-term functionality and single-cell signal detection.
This study found that electroacupuncture (EA) improved gastric emptying in rats with burn-induced dysmotility by down-regulating cyclooxygenase-2 (COX-2) and pro-inflammatory cytokines. EA also normalized sympathetic hyperactivity and enhanced vagal activity, suggesting a potential therapeutic benefit for burn-induced gastric dysmotility.
Researchers discovered that pancreatic cancer reprograms nerve cells to promote tumor growth. Blocking nerve function inhibited cancer growth and increased sensitivity to certain therapies.
Researchers at Weill Cornell Medicine have identified a specific brain circuit that appears to reduce anxiety without side effects. The study suggests a new target for treating anxiety disorders and demonstrates a general strategy for mapping drug effects on the brain.
Studies using a rodent model found sustained increase in neural activity in the paraventricular thalamus (PVT) after exposure to a strongly stressful event. This persistent activity is linked to altered behavior, including restlessness and disturbed sleep patterns. The findings suggest a new therapeutic target for stress-related issues.
The Advanced Research + Invention Agency has awarded $84.2 million to Rice researchers to explore and unlock new methods for interfacing with the human brain at the circuit level. The project involves developing a distributed network of minimally invasive implants to stimulate neural circuits with cell-type precision.
Researchers link neuropilin2 gene to autism and seizure development, highlighting its role in regulating neural circuits. The study suggests targeting specific phases of neuronal development could lead to therapeutic interventions for individuals with autism.
A study investigated the effects of N-(1,3,4-thiadiazol-2-yl)-3-pyridinecarboxamide (TGN-020), a selective AQP4 inhibitor, on glymphatic function. The results showed that acute inhibition of AQP4 significantly impaired glymphatic function without inducing short-term behavioral abnormalities in mice.
A study from Goethe University Frankfurt reveals that venomous crustaceans, specifically remipede crabs in Mexican cenote caves, contain a variety of toxins with pharmacological potential. The xibalbines peptides effectively inhibit potassium channels and activate signaling pathways involved in pain sensitization.
Researchers discover 5-HT2A receptor selectively suppresses visual information strength without inhibiting parallel processes. This mechanism regulates the importance attached to incoming information, which could help develop new therapies for psychiatric diseases.
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 uncovered new insights into how the brain regulates imitative behavior, a phenomenon that facilitates interaction and social cohesion. The study used advanced brain stimulation technique to pinpoint the causal role of different circuits in facilitating or inhibiting automatic imitation.
A study published in Nature found that propofol can restore the function of mutated HCN1 ion channels, which are associated with certain types of epilepsy. The researchers suggest using propofol to treat these conditions or designing new compounds with similar effects but reduced side effects.
Researchers have developed Nano-MIND technology, which uses magnetism to selectively activate specific deep brain neural circuits, modulating complex brain functions such as cognition and emotion. The technology has been successfully tested in animals, demonstrating its potential to regulate feeding behaviors and maternal instincts.
Researchers discovered that propofol, a commonly used anesthesia drug, induces unconsciousness by causing the brain to become increasingly unstable. This instability leads to chaotic brain activity, resulting in loss of consciousness. The study's findings could help develop better tools for monitoring patients during general anesthesia.
A study found that neural balance, measured by the E/I ratio, is associated with brain maturity and better cognitive ability. Research suggests that as children develop, their E/I ratios decrease, leading to improved performance in cognitive tests.
Research suggests that altered lipid signaling in brain cells contributes to mental disorders, with specific inhibitors showing promise in rebalancing this mechanism. The study found similar changes in both human patients and healthy relatives, as well as mice with genetic disorders, opening up new treatment opportunities.
A team of researchers discovered a group of neurons in the brain associated with compulsive eating and food craving. The discovery found that activation of these cells triggered vigorous foraging behavior in mice, even when they were already full.
Researchers at Max Planck Institute for Biological Intelligence have discovered a brain circuit that inhibits food intake during nausea. The circuit involves special nerve cells in the amygdala, which send appetite-suppressing signals to distant brain regions, resulting in a loss of appetite.
Researchers found that highly skilled soccer players exhibit faster reaction times and lower variability when faced with decision-making tasks. The study suggests that strong inhibitory processes play a crucial role in facilitating quick decisions on the field.
MD Anderson researchers presented studies on combination therapies for AML and lung cancer, tumor microbiomes in immunity, and improved HPV screening. Genetic markers predict extended survival with KRAS inhibitors and may identify patients who benefit from novel combinations.
Researchers discovered that neonatal spinal cord ECM significantly enhanced NPC proliferation, migration, and differentiation compared to adult ECM. This study highlights the critical role of early developmental spinal cord ECM in orchestrating spinal cord regeneration processes.
Researchers discovered that MEIS2 plays a critical role in activating genes necessary for the formation of inhibitory projection neurons, vital for motion control and decision-making. A MEIS2 mutation found in patients with intellectual disability disrupts these processes.
A Scripps Research team found that inhibiting stress neurons may decrease alcohol consumption in comorbid cases of post-traumatic stress disorder (PTSD) and alcohol use disorder. However, this approach did not mitigate anxiety. The study suggests that CRF plays a role in alcohol use among those with comorbid PTSD and AUD.
Researchers at UC San Diego discover that acute stress triggers a switch in neurotransmitters, leading to generalized fear responses. They also find that suppressing GABA production and using antidepressants can prevent this effect.
Dr. Ryyna Ethell's lab at UC Riverside has been awarded a $2.4 million NIH grant to investigate the role of astrocytes in inhibitory synapse development and their connection to neurodevelopmental disorders like ADHD and autism.
A team of researchers from New York University recruited 30 stutterers and monitored their brain activity using magnetoencephalography (MEG) while they spoke. The study found increased beta waves associated with cues that preceded stuttered words, suggesting a predictive link between brain activity and stuttering.
A study by Fujita Health University researchers unveiled novel insights into the brain's processing of movement and sensation. The findings suggest that signals from motor cortices do not primarily modulate sensory responses in primary sensory cortices, but rather pathways from secondary somatosensory cortex (S2) and sensory thalamus (...
A team of researchers identified the right inferior frontal gyrus as a key regulator of response inhibition in the brain. The study used dynamic causal modeling and fMRI to explore inhibitory circuits, revealing high intrinsic connectivity within the neural circuit.
A study from the University of Ottawa found that sleep deprivation significantly impacts decision-making processes, reducing neural responses to winning and losing outcomes. This can lead to diminished positive emotions in response to winning and negative emotions when faced with losses.
A newly developed labeling method allows for visualization of intraregional synaptic connections between inhibitory interneurons and excitatory engram cells. Researchers have identified the role of inhibitory interneurons in memory expression, suggesting that they suppress fear expression by inhibiting fear engram cells.
A Penn State-led research team discovered that somatostatin signaling acts to dampen communication among cell types in the prefrontal cortex, promoting exploratory and risk-taking-like behavior. The findings suggest that somatostatin fine-tunes circuits to promote certain behaviors, including decision making.
Researchers have found a promising new mechanism to target aggressive forms of prostate cancer, where the LSD1 protein is involved. By inhibiting LSD1, the tumor suppressor gene p53 can be reactivated, leading to suppression of tumor growth.
Researchers have discovered that inhibitory neurons can transmit information over long distances in the prefrontal cortex, allowing for adaptive changes in behavior. This synchronization of gamma oscillations is associated with the realization of new rules and enables cognitive flexibility.
A team of researchers found that a small population of nerve cells exists in everyone that could be coaxed to regrow, potentially restoring sight and movement. The discovery provides new insights into how axons grow and could lead to effective therapies for blindness, paralysis, and other disorders caused by nerve damage.
A study published in Neuron reveals the intricate neural mechanisms underlying fragmented feeding behavior in mice. The researchers identified three key populations: ARC AgRP neurons regulating non-feeding behavior, LH GABA neurons mediating feeding initiation, and DR GABA neurons maintaining feeding duration.
Researchers at Hokkaido University identify a nerve pathway in the brain stem involved in processing rewarding and distressing stimuli, opposing a previously identified pathway. This finding could lead to developing drug treatments for mental disorders like addiction and major depression.
Researchers have discovered two novel drugs that can block the growth and shrink the size of schwannoma tumors, a type of nerve sheath tumor found in the nervous system. The treatment works by inhibiting the Hippo signaling pathway, which is dysregulated in multiple types of cancer.
A Brazilian-American research team has identified a subtype of inhibitory interneurons that can gauge speed with great precision. These neurons are more stable than excitatory neurons and may be linked to spatial memory and the ability to remember routes or locations.
Research finds that preschoolers' brain maturation improves inhibitory control abilities, with 4-year-olds outperforming 3-year-olds in tasks requiring stopping actions. The cognitive control network's distinct regions and white matter connections are associated with different aspects of self-control development.
A study from Edith Cowan University reveals that electrical stimulation on specific nerves and relaxation techniques can reduce neural amplification in the spinal cord, which may help alleviate involuntary muscle spasms. These methods could provide a non-pharmacological alternative to current treatment options.
Researchers are combining optogenetics and fMRI to study the links between brain activity and behavior. This hybrid approach allows for targeted manipulation and monitoring of brain function in awake and behaving rodents, providing valuable insights into neural mechanisms.
Researchers at the Sainsbury Wellcome Centre have discovered a new brain circuit that enables mice to override their instincts based on previous experience. The ventral lateral geniculate nucleus (vLGN) inhibits threat reactions when animals feel safe, but activates them when danger is perceived.
Researchers are developing innovative computational tools to illuminate how genetic factors impact brain structure and function, particularly in Alzheimer's disease. The goal is to accelerate the discovery of robust imaging biomarkers of neurological disorders.
The study reveals how neural circuits balance excitation and inhibition, crucial for normal functionality of our brain. The results provide a clearer picture of how this balance is preserved and where it fails in living neural networks.
A Dartmouth-led research team has identified a non-verbal neural marker of autism, which shows individuals with autism are slower to dampen neural activity in response to visual signals. The findings offer an objective way to potentially diagnose autism and were found to be independent of intelligence.
Blocking Nogo-A increases newly formed blood vessels and improves motor tasks, neuronal survival, dopamine levels, and nerve fiber density after ischemic stroke. Anti-Nogo-A antibodies may represent a therapeutic strategy for ischemic stroke recovery.
The EPFL-developed nerve-on-a-chip platform enables rapid recording of hundreds of nerve responses with a high signal-to-noise ratio. The platform can also record individual nerve cell activity, enabling the development of more effective neuroprosthetics for treating chronic pain and regenerating peripheral nerves.
Researchers found that dogs have a rudimentary neural representation of meaning for words they have been taught, differentiating between familiar and unfamiliar words. The study suggests dogs may not always understand the literal meaning of words but can infer their intended context.
Neural circuits use inhibition to adjust excitatory inputs, producing more selective responses. Inhibitory connections often originate from neurons that prefer opposite directions of motion.
Research reveals that impaired neural mechanisms in six large-scale brain networks contribute to human drug addiction behaviors, affecting cognition, emotional processing, and decision-making. The study identifies consistent impairments in brain function across these networks, which can inform the development of targeted treatment inte...
A groundbreaking study published in eNeuro finds that low-dose ketamine promotes resilience to future adverse events in female rats, similar to its effects in males. The researchers identified a neural circuit involving the prefrontal cortex and dorsal raphe nucleus responsible for ketamine's stress-reducing properties.
A new optogenetic technique allows for non-invasive deep brain neural stimulation or inhibition by applying light externally to the skull. The technique, tested in mice, may one day complement current approaches to deep brain stimulation and therapies for neurological disorders in humans.
In a new study, researchers identified the mechanism that suppresses development of connections between corticospinal neurons and motor neurons in mice shortly after birth. By selectively deleting receptors, they found that one particular receptor, PlexA1, is responsible for suppressing these connections.
A study found that underdevelopment of brain networks underlying inhibition in adults over 30 is linked to self-reported psychological problems such as anxiety and depression. The researchers identified patterns of connectivity associated with inhibition that differ between early and middle adulthood.
A computer-training task can alter brain wiring to regulate negative emotions by improving the ability to ignore irrelevant information. This non-emotional training was found to result in reduced brain reactions to emotional events and strengthened neural connections between brain regions involved in inhibiting emotional reactions.