Articles tagged with Memory Processes
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A new algorithm enables larger parts of the human brain to be represented using the same amount of computer memory, significantly reducing the memory required for simulations. This breakthrough allows researchers to simulate neuronal networks on the scale of the human brain for the first time, enabling studies of complex brain functions.
MIT researchers developed a special-purpose chip that increases the speed of neural-network computations while reducing power consumption. The chip can calculate dot products for multiple nodes in a single step, improving efficiency and making neural networks more practical for handheld devices.
A study by Steve Maren and his team identified a key brain circuit that triggers fear relapse. The research found that the hippocampus is connected to a specific type of cell in the prefrontal cortex, which plays a crucial role in relapse. This breakthrough could lead to more effective treatments for disorders like PTSD.
Researchers have developed a process to produce porous films made from shape memory polymers with precise dimensions, which can be reversibly changed with light. The films feature micropores that switch between different shapes and/or sizes, expanding possibilities in fields such as electronics and separation processes.
A Harvard researcher found that specific brain network patterns are associated with creativity, including the default mode network for imagination and the salience network for information filtering. The study's predictive model showed accuracy in estimating creative potential based on brain scan data.
Researchers at Ruhr-University Bochum investigate the brain area responsible for storing odours as long-term memories. They found that the piriform cortex is involved, but only works in interaction with other areas, and requires instruction from the orbitofrontal cortex to establish long-term memory.
Physicists at the University of Innsbruck have developed a technique to transfer quantum information between systems encoded differently, enabling local modification of quantum bits. This 'data bus' approach allows for more robust coupling between quantum processors and memories, paving the way for universal quantum computing.
A study by Prof. Dr. Marlene Bartos and her team found that inhibiting circuits in the hippocampus create high-frequency brainwaves that support parallel processing and storage of information, a key mechanism for laying initial traces of memory.
Researchers developed a new cache-management scheme that improves the data rate of in-package DRAM caches, reducing metadata transfer and increasing bandwidth. The 'Banshee' system adds three bits of data to each entry, enabling efficient storage and retrieval of frequently used data.
Researchers found that certain physical phenomena, such as the thermal Hall conductance, cannot be simulated efficiently due to a negative sign or complex quantities involved in quantum Monte-Carlo methods. This limits the scalability of large-scale quantum simulations and provides reassurance for theoretical physicists.
Scientists in Bordeaux discovered a new mechanism for storing information in synapses and controlling the storage process. They found that halting receptor movement can block the acquisition of certain types of memories, confirming the role of synaptic plasticity.
Researchers are working on a method to distribute processing power to programs based on their needs, enabling computers to cope with future requirements. This approach aims to prevent unpredictable delays and frequent interruptions by providing accurate information regarding application needs.
Researchers at the University of Queensland have discovered that adult brains can produce new cells in the amygdala, a region important for processing emotional memories. This finding has significant implications for understanding the brain's ability to adapt and regenerate.
The Texas Advanced Computing Center has launched Stampede2, the largest supercomputer at any US university, supporting thousands of nation's scientists and engineers. The system will enable researchers to tackle complex challenges with high-performance computing power.
Scientists from MIPT have created tantalum oxide thin films with controlled oxygen concentration, paving the way for ReRAM technology. The study uses atomic layer deposition to overcome challenges in three-dimensional memory cell stacking.
The Department of Energy has awarded $258 million to six leading US tech companies to advance exascale computing technology. The funding will support research and development in hardware, software, and application development to achieve the goal of deploying an exascale-capable system by 2021.
Researchers at the University of Illinois have developed a new nanoscale memory cell that holds promise for successful integration with superconducting processors. The device provides stable memory at a smaller size than other proposed memory devices, eliminating magnetic-field cross-talk and enabling faster and more powerful computing.
A study at UT Southwestern Medical Center has identified over 100 genes linked to memory processing in the human brain. The researchers hope that these findings will lead to better understanding and treatment of conditions such as Alzheimer's disease and epilepsy.
Researchers discovered that the microstructure of the hippocampus, particularly its viscoelasticity, is correlated with fitness and memory performance. The study used magnetic resonance elastography to measure the structural integrity of the hippocampus in healthy young adults.
A new architecture for 3D stacked memory increases rendering speeds by up to 65% by processing data in memory, reducing traffic between GPU cores. This innovation benefits both science, particularly complex modeling and virtual reality, and the gaming industry.
A team of researchers in Germany and Canada has successfully demonstrated a proof of concept for fully inkjet-printable flexible resistive memory. This breakthrough enables the mass production of printable electronics with mechanically flexible memory tiles, using commercially available materials.
The study identified correlations between gene data and brain activity during memory processing, providing new insights into human memory. The researchers found that certain genes are distinct from those previously correlated with other types of cognitive processing and resting state fMRI activity.
AVN-322 is a highly selective 5-HT6R antagonist that displays high binding affinity to the receptor and potency in blocking functional cell responses. In preclinical studies, AVN-322 showed improved cognition-enhancing effects and demonstrated antipsychotic potential.
Researchers develop quantum RAM that models complex problems with unprecedented amounts of data, using a 'quantum hard drive' smaller than conventional simulations require. This breakthrough achieves significant improvements in efficiency, paving the way for advancements in complex simulations and real-world applications.
A recent study published in Science found that sleep deprivation impairs the brain's ability to consolidate new memories in mice. The researchers discovered that homeostatic scaling down, a process that weakens synapses, occurs during sleep and is essential for learning and memory formation.
Researchers have found that women's mental sharpness starts to decline as early as their 50s, with an average decline of 5% over 10 years. Cognitive processing speed and verbal memory also show significant declines, highlighting the importance of menopause transition in understanding cognitive changes.
Rutgers scientists have discovered a protein (CRTC1) that enhances memory by controlling gene expression in the hippocampus, a brain area responsible for learning and memory. The research found that mice with higher CRTC1 activity had better long-term memory and exhibited stronger gene transcription.
Researchers from Dresden and Basel have developed a novel memory chip concept that can store data magnetically without continuous refreshing, reducing energy consumption and heat generation. The breakthrough uses an electrical voltage instead of current to activate the magnetic material, enabling more efficient data storage.
Researchers have found a way to make memory chips perform computing tasks, leading to faster and thinner mobile devices and computers. The new computing circuit uses state-of-the-art memory chips to process data in four states instead of two, boosting processing speeds by at least two times.
Researchers found that cannabinoids inhibit neurotransmitter release and reduce mitochondrial energy, leading to memory loss. The study suggests a new therapeutic approach by targeting specific CB1 receptors in the brain.
A study found that complex referral criteria are contributing to delays in dementia diagnosis, with some clinics requiring multiple investigations. Alternative approaches, such as primary care-led processes and direct access to memory clinics, may speed up diagnosis while reducing pressure on GPs and specialists.
Researchers Philip Kortum and Michael D. Byrne examine how voting interface design affects voter behavior, revealing potential for errors and flawed designs. Poor interfaces can lead to ambiguous ballots, unintended vote selection, and nullified votes.
Researchers at UCSB have developed a functional nanoscale computing device, operating on an unconventional type of logic that could be packed into a block no bigger than 50 nanometers. This technology has the potential to store and process data much faster, reducing energy consumption and increasing computing efficiency.
Researchers at MPFI and NYU will use the grant to develop new optogenetic technologies, focusing on synaptic plasticity and its role in learning and memory. The goal is to improve knowledge of biochemical events underlying synaptic plasticity and provide insights into brain disorders.
Researchers from KAIST and KIMM developed a technology to transfer and package flexible large-scale integrated circuits (LSI) on plastics using continuous roll-processing. The technology successfully demonstrated stable memory operations under severe bending conditions.
Researchers at NUS have developed a novel technique to implant high-performance magnetic memory chips on flexible plastic surfaces, overcoming performance challenges. The new device uses magnetoresistive random access memory (MRAM) and demonstrates excellent data storage and processing capabilities.
NERSC is optimizing 20 leading science applications for the new Cori system, set to arrive in July. The system will feature Intel's Xeon Phi Knights Landing processor, with optimizations focusing on thread scaling, vector parallelism and on-chip MCDRAM.
Researchers identified a connection between amino acid acetylcarnitine and poor performance under sleep restriction. Higher levels of this molecule were associated with decreased attention, slower information processing, and increased sleepiness during chronic sleep deprivation.
Stampede 2 is a new large-scale supercomputing system funded by the NSF, providing high-performance computing capabilities for thousands of researchers across the US. The system will employ cutting-edge processor and memory technology, delivering peak performance of up to 18 Petaflops.
The University of Texas at Austin has received a $30 million NSF award to build and deploy Stampede 2, a new large-scale supercomputing system that will provide high-performance computing capabilities for thousands of researchers across the U.S. The system is expected to deliver peak performance of up to 18 Petaflops.
Researchers from Tohoku University have developed a technology to stack magnetic tunnel junctions directly on vertical interconnect access, reducing the chip area of STT-MRAM and increasing memory bit yield. This breakthrough will significantly lower manufacturing costs, making STT-MRAM competitive with DRAM.
A study from Kings College London and Oxford University found that training in concrete processing can reduce PTSD symptoms by altering the way people think about traumatic memories. Concrete processing involves focusing on how a situation is unfolding, whereas abstract processing involves analyzing why something is happening.
Researchers found that physical exercise significantly improves cognitive performance in individuals with schizophrenia, particularly in areas such as memory, emotional intelligence, and problem-solving skills. The study suggests that early intervention and combined cognitive training with aerobic exercise may lead to long-lasting impr...
Researchers have created memory cells using superconductors, enabling read and write operations to take only a few hundred picoseconds. The proposed system encodes data in the value of superconducting current, allowing for fast switching between states.
A new study suggests that individual differences in brain structure and function affect both anatomical and cognitive factors, such as intelligence and memory. The researchers identified four unique traits that explained most of the differences in brain anatomy, with the remaining differences accounting for individual differences in in...
POSTECH researchers have developed a rapid printing technology for high-density and scalable memristor arrays composed of cross-bar-shaped metal nanowires. This technology enables the fabrication of microminiature memristors with excellent electrical performance and reproducible resistive switching behavior.
Researchers at Penn State have discovered a new material that is both highly transparent and electrically conductive, potentially replacing indium tin oxide in display technology. The new material, a correlated metal, has a structure that allows it to behave like a liquid, resulting in high optical transparency and conductivity.
Researchers at Harvard Medical School have identified a gene, CAF1, that erases a cell's memory, making it more susceptible to reprogramming and making the process quicker and more efficient. This discovery enables the production of stem cells and may provide a general key to facilitate cellular reprogramming.
A study of 1,107 dementia-free women found that those who complained of memory problems were 70% more likely to develop a diagnosis compared to those without complaints. Women with complaints were also 3-9 times more likely to develop a diagnosis at different time points.
Scientists discovered that cannabinoid receptors in the brain exclusively control aversive memories, excluding neutral and positive ones. This finding has significant implications for treating diseases associated with emotional processes like depression and anxiety.
Researchers have developed a new way to capture light, allowing for large quantities of data to be stored directly on an integrated optical chip. This breakthrough enables ultra-fast high-bandwidth data transfer, potentially revolutionizing computer technology.
Scientists of KIT and universities develop the first all-optical, non-volatile on-chip memory using phase change materials, allowing for fast data storage and potentially increasing computer performance and reducing energy consumption. The new memory can store data for decades even when power is removed.
Researchers at MIT have developed a new cache-coherence mechanism that significantly reduces memory usage in multicore chips. The Tardis system uses time stamps and lease management to enforce logical-time order, eliminating the need for invalidation messages and saving space in shared caches.
A specific group of genes controls calcium ion concentration, crucial for memory performance and Alzheimer's development. The study provides new insights into the origins of the neurodegenerative disorder.
The hippocampus is involved in quick and successful conflict resolution, enabling the brain to make rapid decisions. This finding suggests that the memory system may learn from resolved conflicts, leading to improved performance.
A small tilt of magnets makes them viable memory chips, opening the door to a memory system that can be packed onto a microprocessor. This breakthrough could lead to computers that turn on instantly and operate with greater speed and significantly less power.
A new study led by McMaster University professor Dr. Deborah Cook found that a program honoring patients' last wishes creates meaning, memories, and closure at death. The Three Wishes Project, which involved 40 dying patients and their families, resulted in the implementation of 97.5% of requested wishes.
A new study found that participating in civic activities with others can reverse the normal brain shrinkage associated with aging. Seniors who engaged in meaningful social activities showed significant increases in brain volume and improved memory function over two years.
A new Duke University study in mice found that immune cells consuming an important amino acid called arginine may contribute to the development of Alzheimer's disease. Blocking this process with a small-molecule drug prevented characteristic brain plaques and memory loss in mouse models, suggesting a potential new treatment strategy.
A subanalysis of the MEMREHAB trial found that deficits in processing speed negatively affect the benefits of the modified Story Memory Technique (mSMT) for individuals with MS. Processing speed may be an indicator of cognitive decline, which can impact the effectiveness of mSMT.