Researchers at RMIT University found that microglia cells can be activated to boost memory performance in rats by up to 50%, reversing damage caused by neuroinflammation. This discovery could lead to the development of new treatments for cognitive decline and dementia.
A study from Scripps Research reveals that memories are stored in two forms: intermediate-term memory and protein-synthesis dependent long-term memory. Silencing specific genes, Ras and Raf, enhances intermediate-term memories while eliminating long-term memory performance.
Researchers found people with subtle thinking and memory differences had faster amyloid accumulation and thinner brain regions compared to those with normal skills. The study challenges the long-held theory that beta-amyloid is the first sign of Alzheimer's disease.
Researchers identified deficits in prospective memory as factors affecting performance of everyday life activities in individuals with multiple sclerosis. Time-based tasks showed poorer performance compared to event-based tasks, and were associated with executive function deficits and lower motor scores.
Researchers from MIPT and their international colleagues achieved a breakthrough in nonvolatile memory devices by measuring electric potential distribution across a ferroelectric capacitor. The new memory cell has been shown to endure 10 billion rewrite cycles, surpassing current flash drives.
A team at RIKEN Center for Brain Science analyzed mouse brain activity using machine-learning algorithms, identifying distinct brain waves for recent and remote memories. They found a strong link between the frontal brain region and hippocampus, suggesting a possible mechanism to track memory age.
A recent study identified distinct gene signatures associated with memory creation, found in cortical and subcortical regions of the brain. These genes play crucial roles in memory processes, immune signaling, neuronal generation, and mRNA production.
A team of researchers from Tokyo Tech has developed a novel memory device that can switch between three states using nickel-based layers, leading to extremely low energy consumption and faster performance. The device is inspired by solid lithium-ion batteries and boasts a miniature battery-like architecture.
Researchers have identified individual neurons in the entorhinal cortex that target specific memories during recall. These 'memory-trace cells' exhibit spatially tuned activity corresponding to remembered locations, suggesting a mechanism for selectively recalling past events.
Researchers found that working memory training relies on task-specific strategies to improve performance, rather than increasing capacity. Hundreds of commercial programs claim to boost memory, but their effects are limited to similar tasks.
New research from King's College London and The Open University discovered that old age affects memory modification by altering synaptic connections. This 'fixed' nature of memories formed in old age has implications for conditions like PTSD.
A recent study reveals that semantic memory deficits are involved in specific eating disorders in patients with dementia. The research found a correlation between the severity of these eating disorders and reduced performance on semantic memory tests, suggesting that these behaviors depend on the integrity of semantic memory. This brea...
Researchers at RUDN University have developed a method to identify electronic devices using defects in flash memory cells, which are unique to each device. The distribution and nature of these defects can be used to create 'fingerprints' that cannot be faked.
Neuroscientists at University of Birmingham demonstrate directional coupling between neocortex and hippocampus during episodic memory formation and retrieval. The study reveals a bidirectional flow of information, with distinct gamma frequencies contributing to encoding and retrieval.
A new UCL study has found that a period of rest following a traumatic event can reduce the development of involuntary 'memory intrusions' in post-traumatic stress disorder (PTSD). The study suggests that increasing memory consolidation, which involves storing and contextualizing memories, may help prevent these disturbances.
A new study from OIST and RIKEN has developed a computational model that demonstrates the importance of inhibitory circuits in brain function. The model shows that inhibitory neurons play a key role in associative memory, allowing patterns to be stored in memory for longer periods.
A study by the University of Waterloo found that anticipating performance at work or school can hinder memory recall. The presence of an audience may also contribute to this effect. Researchers suggest strategies like presenting first to avoid pre-performance anxiety.
Researchers found that rapidly cooled copper-based shape memory alloys performed better than slowly cooled samples due to the formation of nickel-rich dots. This discovery could lead to more energy-efficient HVAC and refrigeration systems using heat pumping technology.
A research group led by Emery Berger has developed Mesh, a system that can automatically reduce memory demands in applications. By taking advantage of virtual memory hardware, Mesh effectively squeezes out memory gaps, resulting in significant reductions of up to 40% in memory usage for certain applications.
A new study suggests that slower growth in working memory is associated with motor vehicle crashes among teenagers. The research found that young drivers with less-than-average working memory growth were more likely to report being involved in a crash, while those with greater-than-average growth were less likely.
Calcium channel blockers reduced calcium ion flow into brain cells, restoring normal function and improving memory in diseased flies. The study suggests targeting L-type channels could be effective in treating Alzheimer's memory loss.
The study reveals that engram sub-ensembles represent distinct pieces of information, which are then orchestrated to constitute an entire memory. During post-learning sleep, replayed sub-ensembles are more likely to be reactivated during retrieval, indicating a key role in memory consolidation.
Researchers found that viewing memories in the third person reduces vividness and emotion, while recalling experiences in the first person strengthens memory. Virtual reality technology is being used to explore how perspective influences memory formation.
Drosophila melanogaster forms a stable long-term memory for its body size and reach after hatching from the pupal case. The insects learn to estimate distance across gaps by linking visual information with their body size, retaining this knowledge for life.
Researchers found that memory T cells in bone marrow enriched with fat tissue protected mice from bacterial infections and tumors when fed restricted diets. The study suggests how the immune system may have evolved to survive limited food availability.
Scientists have developed a theory on how the brain stores and recalls the order of events, shedding light on memory dysfunctions. This new understanding has significant implications for treating mental health conditions like depression and schizophrenia.
Researchers at the University of Texas Southwestern Medical Center found that stimulating the cingulate cortex worsened memory recall in epilepsy patients. However, deep brain stimulation also modified hippocampal brain waves and demonstrated a direct role for the cingulate cortex in memory encoding.
Daily intake of Montmorency tart cherry juice improved memory scores among adults aged 65-73, with notable reductions in movement time and errors during visual and spatial working memory tasks. Compliance was high, but larger studies are warranted to confirm findings.
A team of researchers at HSE University found that working memory stores objects and their features independently, making it easier to remember single-object information. This hierarchical structure suggests that working memory can store multiple types of information simultaneously.
A small pilot study found that sound stimulation played during specific times of deep sleep enhanced slow-wave sleep in people with mild cognitive impairment. Participants who showed the greatest improvement in deep sleep also recalled more words on a memory test the next morning.
A study of 50 Atlanta-area adults found that poor sleep time and quality negatively impact memory recall in older adults. The research also revealed significant racial differences in sleep patterns tied to lower memory performance.
Researchers have created a new type of electronic memory device that consumes significantly less energy than current devices, potentially reducing peak power consumption in data centres by a fifth. The invention could transform daily life with its ability to enable computers to instantly go into an energy-saving sleep mode.
Researchers found that unpleasant odors improve memory for images paired with the bad smell 24 hours later, as well as for related images. Individuals with larger arousal responses had better memory recall. The study suggests that aversive odors can be used to examine emotional learning and memory processes across development.
Researchers used AI to train neural networks on complex behavioral tasks, revealing two distinct processes involved in short-term memory. These processes include a 'silent' process where the brain stores memories without ongoing neural activity, and a more active process where circuits of neurons fire continuously.
Neuroscientists have discovered that controlling brain waves through rhythmic neural stimulation can improve memory performance. The study, published in Trends in Neurosciences, suggests that this technique may be a promising tool for improving memory and potentially treating conditions like Alzheimer's disease.
A study by Boston University neuroscientist Steve Ramirez shows that stimulating different parts of the brain can dial up or down a specific memory's emotional oomph. The hippocampus, a small structure in the brain, stores sensory and emotional information associated with memories.
A new article in Neuron presents a model of working memory that captures its flexibility through high-dimensional random networks and structured sensory networks. The model suggests a tradeoff between flexibility and capacity in working memory.
A UC Riverside-led team found strong associations between working memory and factors like sleep quality, age, and depressed mood. The researchers discovered that each factor affects different aspects of working memory, with poor sleep quality and depressed mood linked to reduced quantitative memory.
Studies in rats reveal that highly demanding and rewarding experiences result in stronger memories due to replay processes in the hippocampus. This finding provides new insights into memory consolidation, which could lead to treatments that strengthen memories and better understand memory decline in diseases like dementia.
A new Northwestern University study found that electromagnetic pulses can improve memory in older adults with age-related memory loss, reversing it to the level of young adults. The technique targets the brain's memory center and rebuilds part of memory that helps recall everyday tasks.
A pilot study found that transcranial magnetic stimulation temporarily increases activity in the brain's hippocampal-cortical network, leading to improved memory recall. The treatment showed temporary improvements in memory function compared to a placebo, with participants recalling memories 31% better after stimulation.
Researchers at MIT have developed a novel data-compression technique that leverages object-based compression to reduce memory usage and improve performance. The 'Zippads' technique compresses objects across the memory hierarchy, reducing memory consumption by half and improving computation speeds.
Researchers at Boston University found that electrostimulation can improve working memory in older adults by restoring neural pathways and synchronization. The technique also shows promise for younger individuals, as it enhanced memory performance even among those in their 20s.
A study found that administering propofol to humans immediately after reactivating a traumatic memory weakened its emotional strength. The results suggest a potential, noninvasive approach for treating anxiety and stress-related disorders.
A new study investigated the impact of high altitude exposure on short-term memory, identifying effects on spatial and verbal memory. The study found that high altitude exposure can lead to deficits in these aspects of cognition, affecting daily functioning.
Neurons in both males and females produce estrogen, which is essential for synaptic plasticity and memory. Research shows that mice lacking estrogen have impaired spatial reference memory and recognition memory.
A multidisciplinary team has found a new connection between the lateral hypothalamus, a feeding center, and the hippocampus, a memory center, revealing how the protein complex NCOR1/2 regulates memory. The study sheds light on potential links to autism, intellectual disabilities, and neurodegenerative diseases.
Researchers at the University of Tokyo found that histamine improved people's long-term memory test scores, especially for those with poor memories. The study showed mice could recognize toys they'd seen as long as 28 days ago after receiving a medication that increases histamine in the brain.
Researchers at Tohoku University have developed a 128Mb-density STT-MRAM with a write speed of 14 ns, setting a new world record. This technology has the potential to significantly reduce power consumption in embedded memory applications.
Researchers found that engram neurons, responsible for long-term memory, are formed through a transcriptional cycling process involving MAPK and CREB. This discovery has implications for understanding the mechanisms of learning and improving memory, as well as developing treatments for memory impairment.
Researchers discover that conscious knowledge is key to declarative memory, a type of memory linked to facts and events. The study, using amnesic patients with MTL lesions, found impaired performance in recognizing changes in images, highlighting the role of the hippocampus in memory acquisition.
Researchers used electrocorticographic data from surgically implanted electrodes to investigate memory development in a cohort of 17 children and adolescents. The study found that earlier activity predicts greater memory accuracy, and sub-second deviations in activity flow between frontal subregions predict memory formation.
Researchers at Purdue University have discovered a new material that can store and retrieve data quickly without consuming too much power. The material, molybdenum ditelluride, allows for faster switching between high and low resistance states, which can increase the rate of storing and retrieving information.
A study found that using two memory tests to assess episodic memory improves the accuracy of diagnosing mild cognitive impairment due to Alzheimer's disease. Those who performed poorly in both tests showed faster brain atrophy, highlighting the importance of comprehensive neuropsychological assessment.
Researchers at the University of Waterloo found that drawing enhances memory retention in older adults more than traditional study methods. Drawing's unique combination of visual, spatial, verbal, semantic, and motoric representations led to better recall in both young people and senior citizens.
A recent study published in Nature Immunology reveals that lung-resident memory B cells can provide more effective immunity against influenza infections. These cells are able to respond quickly and produce antibodies after a second infection, suggesting they play a crucial role in respiratory virus immunity.
Researchers used place cells to determine a rat's location and predicted its next move. The findings provide insight into how rats think about space and solve spatial memory tasks.
Researchers have developed a concept for a new type of fast non-volatile memory based on the principle of racetrack memory, which promises to significantly increase data storage space and read/write speed compared to modern USB flash drives and HDDs.
The joint research team has developed a high-speed module to measure switching currents in STT-MRAM memory arrays with high precision. This technology enables minute changes in currents to be observed, representing a significant stride toward practical application and failure analysis of STT-MRAM technology.
A new model of working memory proposes that the brain uses coordinating ensembles of cells with timely bursts of activity at specific brain wave frequencies to hold information in mind. This model challenges traditional beliefs about brainwaves having functional meaning and working memory being maintained by persistent neural firing.