Articles tagged with Memory Processes
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Researchers propose a new learning method for individuals with autism, utilizing 'memory flashes' to accelerate learning and improve visual perception capabilities. The study showed significant improvement in both learning speed and generalization of skills, even under new conditions.
Researchers discovered that communication between two brain regions, parietal cortex and premotor cortex, is co-dependent on instantaneous timescales to represent and maintain working memory. This finding challenges previous understanding of working memory representation in the brain.
The new AI system uses associative learning to detect similarities in datasets, reducing processing time and computational cost. By leveraging optical parallel processing and light signals, the system can identify patterns and associations more efficiently than conventional machine learning algorithms.
Researchers at Pohang University of Science & Technology developed a novel flash memory technology that increases data storage capacity and reliability through artificial defect generation. The new platform can distinguish eight data levels, making it suitable for neuromorphic computing and improving inference accuracy.
Salk researchers identify neurotensin as a key molecule in the brain's valence assignment process, which associates good or bad feelings with memories. The discovery could lead to a better understanding of why some people retain more negative emotions than positive ones, and may pave the way for new therapeutic targets.
A new study published in PLOS Computational Biology suggests that proactively avoiding associations can help prevent the repetitive looping of unwanted thoughts. Researchers found that most people use reactive control, which can strengthen unwanted thoughts, but also discovered that preemptive control can partially mitigate this effect.
Researchers discovered two novel categories of cells in the BLA that respond to ethological stimuli, including event-specific neurons responding to one type of stimulus and panresponsive neurons responding equally well to multiple stimuli. These findings suggest a larger role for the BLA in memory and behavior.
Research published in eNeuro found that physical consequences, such as slipping, can improve motor learning by refining movement responses to mistakes. Participants who experienced a slip improved their ability to adjust steps to new situations, demonstrating better generalization of learned skills.
The study found that the fragile X protein regulates the opening and closing of the GABA-A receptor in neurons from the brain's memory center, influencing how such neurons process information. This nuanced understanding may hold the key to developing effective therapies for fragile X syndrome.
A new study published in Memory & Cognition found that eyewitnesses do not systematically bias towards selecting people with threatening facial characteristics or muscular bodies. However, participants showed highest identification accuracy for the most threatening body stimuli high in musculature.
Researchers at Baylor College of Medicine discovered oleic acid as a key regulator of neurogenesis in the hippocampus, enabling learning, memory, and mood regulation. This finding has major therapeutic implications for treating diseases like Alzheimer's and depression.
Researchers at LSU Health New Orleans and Karolinska Institutet found that intranasal application of pro-resolving lipid mediators arrested memory loss and brain degeneration in an experimental Alzheimer's model. This discovery opens up new possibilities for therapeutic interventions for Alzheimer's disease.
A study by the University of Otago found that 15-year-olds who had conversed with their mothers about everyday past events reported fewer symptoms of depression and anxiety. These adolescents also narrated difficult events from their lives with more insight.
A new discovery by VUB professor Ann Massie's research group reveals a strategy that prolongs life expectancy and preserves hippocampal function in the aging brain. The absence of system xc- has positive effects on mouse longevity and cognitive function, challenging current understanding of the aging process.
A study tracking 425 patients post-COVID-19 found high prevalence of cognitive deficits, psychiatric impairments, and significant memory decline. Researchers observed no correlation between the severity of the disease or socio-economic factors with psychiatric alterations, suggesting a possible link to delayed inflammatory processes.
Researchers at OIST used advanced imaging to record signaling within single astrocytes, revealing ultra-fast signals on par with neurons and patterns of activity corresponding to different behaviors. The findings suggest that astrocytes may store memories as 'fingerprints' in specific areas, called hotspot maps.
Research finds prepubescent female rodents outperform males in hippocampal long-term potentiation and spatial learning, reversing after puberty. The study proposes optimal teaching strategies should adapt to brain differences between sexes during this critical life stage.
Researchers found that moderate aerobic cycling improved auditory verbal learning and processing speed, as well as increased volumes of the hippocampus and cerebellar cortex. The study suggests exercise interventions may be an attractive option for improving cognitive function in individuals with traumatic brain injury.
Researchers have successfully demonstrated ULTRARAM¼trade mark computer memory on silicon wafers for the first time, combining non-volatility with speed and energy-efficiency. The technology outperforms previous incarnations, offering data storage times of at least 1000 years and fast switching speeds.
Washington University researchers have designed a new processing-in-memory (PIM) circuit that can increase PIM computing's performance by orders of magnitude. The circuit uses resistive random-access memory PIM, allowing for analog computations and eliminating the need for digital conversions.
A new study by Ritsumeikan University reveals that whole-body dynamic balance training increases brain connectivity and improves motor learning. The research found significant changes in brain activity associated with offline learning, opening up new avenues for studying neural networks during natural tasks.
The insular cortex processes both positive and negative emotions and receives information from the body, including heart rate and breathing. In mice, the brain uses bodily signals to regulate fear, keeping it within a healthy range.
A USF Health study reveals that fibrinogen can directly interact with neurons, leading to inflammation and neurodegeneration in Alzheimer's disease and traumatic brain injury. The researchers found that blocking the binding of fibrinogen to its receptors may alleviate short-term memory problems associated with these diseases.
A team of psychological scientists and criminologists recommend testing eyewitness memory only once to prevent contaminated memories from convicting innocent people. The first identification is the most reliable test, which can avoid further contamination and ensure justice.
Researchers at Skoltech propose a method for interpreting brain activity data that is up to five times more accurate than the conventional technique. This method can help treat drug-resistant epilepsy and understand cognitive processes in the healthy brain.
A study of 699 Black participants found that transitioning to an integrated school between grades 1-6 was associated with improved cognitive aging outcomes. Those who attended integrated schools had statistically significant advantages in executive function and semantic memory compared to those who only attended segregated schools.
A pilot study found improvements in memory, motor function, and processing skills in healthy individuals after receiving transcranial photobiomodulation therapy. The therapy, involving infrared light, has the potential to alleviate nerve cell damage and reduce symptoms of dementia.
Researchers found that reactivating memories during sleep improves motor skills by enhancing learning of new motor tasks. The study showed participants performed better without sound cues after a nap, indicating improved memory recall and muscle activation.
A study published in Nature Communications demonstrates how the brain constructs the present moment through recent past experiences. The researchers discovered that brief stimuli leave a trace in the brain for almost a minute, accumulating biases in perception that allow subjects to fine-tune their sensory channels over time.
A neural model suggests that conspiracy theories are a result of the brain's tendency to simplify complex information and associate it with emotional experiences. This theory challenges traditional views on the origins of conspiracy theories, proposing a link between genetic determinism and neuronal activity.
A Bristol-led research team has identified specific receptors for the neurotransmitter acetylcholine that re-route information flowing through memory circuits in the hippocampus. The discovery holds promise for developing new, safer treatments for conditions like Alzheimer's disease and schizophrenia.
Researchers at Stanford University have overcome a key obstacle in phase-change memory technology, enabling faster and more energy-efficient data storage. By using a thermally insulating flexible substrate, they reduced power consumption by a factor of 10 on flexible substrates and 100 on rigid silicon.
Researchers at Washington University found that neurons in the primary visual cortex exhibit 'drift' over time, changing their responses to the same stimulus even without learning or experience. This discovery challenges the notion of stable neural activity in sensory cortices.
Researchers from Kessler Foundation found that cognitive rehabilitation programs are effective in treating multiple sclerosis-related cognitive dysfunction. Behavioral interventions such as restorative and compensatory approaches improve cognition and daily life functioning.
Researchers at NICT unraveled a neural correlate of Pavlovian conditioning, discovering that alteration in information processing by feeding command neurons governs behavioral change. The experimental system made possible real-time observation of cell-cell connection for memory formation.
The proposed scan matching algorithm reduces data processing time and improves robot performance by filtering out unnecessary data. The technique allows robots to redirect computational resources to other tasks, enabling faster processing and improved accuracy in applications such as SLAM and SfM.
Researchers at New York University created a new type of memory that stores and processes information similar to synapses and neurons in the brain. The device combines the unique properties of quantum materials with spintronic magnetic devices, offering promising advancements in artificial intelligence and neuromorphic computing.
Academician GUO Guangcan's team demonstrates measurement-dependent property of quantum memory effects, proving non-Markovianity in multi-step evolution. This study has implications for approximating quantum processes with memory.
Columbia Engineering researchers have developed new techniques to bolster memory safety, creating a processor for the Air Force Research Lab. The novel solution, ZeRØ, protects code and data pointers without affecting system performance, while No-FAT speeds up fuzz testing and makes security checks faster with minimal impact on speed.
Researchers developed a new magnetic memory device using antiferromagnetic materials, offering improved scalability, write speed, and security. The device's unique structure allows for simultaneous writing and reading of data, addressing key challenges in high-performance AI applications.
Researchers at Tohoku University developed a new Quad-interface MTJ technology, featuring low RA, stable reference layer, and high-speed write operation. The Quad-MTJ has better retention characteristics, high endurance, and low power consumption, making it suitable for ultra-low-power IoT edge-devices.
Researchers developed a non-Markov chain algorithm in a 2D mica-based RRAM device, exhibiting high on/off ratio and retention time. The device utilizes controllable ion transport to realize a multi-path non-Markov chain.
A new online application, Living Memory Home, offers a virtual and personal memorial space for mourners to deposit memories and feelings about their loss. The platform allows users to create a customized memorial space, share photos and messages, and reflect on both positive and negative memories and emotions.
A KAIST research team creates T-GPS, enabling the processing of large-scale graphs without storing them in main memory or on disks. This allows for faster computation and reduced costs compared to traditional approaches.
A new algorithm developed by Joshua Welch and his team enables researchers to analyze large datasets using standard computer memory, greatly speeding up single-cell sequencing research. The technique allows for real-time analysis of millions of cells without reprocessing older data.
Researchers from Nagoya University developed a two-step labeling technique to analyze the dynamics of neurotransmitter receptor proteins. The study revealed key findings on AMPA-type glutamate receptors, including their localization at synapses and half-life in neurons.
Scientists conducted an experiment to study the capability of the visual system to automatically categorize objects. They found that the brain reacts differently to standard and deviant stimuli, indicating automatic sensory discrimination. The study contradicts the assumption that the visual system only categorizes by simple features.
A new study explores the link between health literacy and self-care in patients with chronic illness, revealing a strong correlation between the two. The researchers found that improved health literacy is associated with better medication adherence and overall health outcomes.
Researchers investigate photonics as a solution to develop fast and energy-efficient computing systems inspired by the human brain. By mimicking biological processing systems, they aim to reduce energy losses and improve processor speeds.
A POSTECH research team has developed a CMOS-compatible 3D ferroelectric memory with ultralow power consumption and high speed. The new material and structure ensure low power consumption and high speed, achieving speeds several hundred times faster than conventional flash memory.
A team of Stanford researchers has designed a system that can run AI tasks faster and with less energy by harnessing eight hybrid chips, each with its own data processor built right next to its own memory storage. The Illusion System integrates the chips into one energy-efficient AI-processing engine.
A neuroimaging study aims to identify underlying cognitive and brain processes impacted by MS, focusing on working memory and hippocampal changes. The study seeks to develop effective treatments for restoring lost memory function in individuals with MS.
Researchers at UT Austin created the smallest memory device yet, shrinking its cross-sectional area to a single square nanometer. Defects in materials unlock dense memory storage capabilities, paving the way for ultra-dense storage, neuromorphic computing systems, and more.
A study found that a molecular system regulates electrical signals in the brain, enabling learning and memory. The research also identified a molecule that controls this process, which could lead to new treatments for conditions like Alzheimer's disease and Parkinson's.
Researchers at EPFL's LANES laboratory have created a revolutionary circuit that combines logic operations and data storage into a single architecture, reducing energy losses and increasing efficiency. This breakthrough technology uses a 2D material called MoS2 to enable smaller, more powerful devices with improved performance.
Researchers from Italy's INGV and University of Bristol create historical catalog to estimate frequency of violent explosive events and investigate temporal recurrence relationship between eruptions. The study suggests a 50% probability of another paroxysm within 12 months after a previous explosion.
A team of researchers has developed a new technique for magnetization switching in spintronic devices, nearly 100 times faster than current state-of-the-art methods. The breakthrough could lead to the development of ultrafast magnetic memory for computer chips that retain data even when power is off.
University of Pittsburgh professors Nathan Youngblood and Feng Xiong receive $380,000 to study phase-change materials for high-speed computing and optical storage applications. The project aims to overcome the challenges in electrically-controlled optical memory devices.
Researchers have discovered a memory effect that dramatically alters the Doppler wave signature in scattered waves. This effect, which appears in both relativistic and classical regimes, is influenced by memories of prior wave interactions, resulting in asymmetric peaks in the scattered spectrum.
Research at the University of Bristol discovers a new mechanism for learning in the brain that stabilises memories and reduces interference. This breakthrough provides insight into how humans form expectations and make accurate predictions about future events.