Most COVID-19 patients develop and maintain T cell memory for over 10 months, suggesting effective long-term immunity. The study provides new insights into vaccine development by revealing the self-renewal capacity and multipotency of memory T cells.
Researchers at Pohang University of Science & Technology developed halide perovskite-based memory with fast switching speed, overcoming slow speed limitations. The new technology uses lead-free materials and offers a step towards practical applications.
A new Northwestern University study reveals that the hippocampus is not just essential for long-term memory but also supports short-term memory and guides decision-making. The findings suggest that the hippocampus uses short-term memory to inform where we look, priming our visual system to learn and reevaluate our environment on the fly.
Researchers studied rats in mazes to observe brain cell activation during correct and incorrect memory recall. They found similar patterns of cell activation, but with different timing and energy levels, suggesting a link between memory disorders like Alzheimer's and faulty retrieval.
Researchers at Dartmouth College have identified three brain areas, known as place-memory areas, which form a link between perception and memory systems. These areas are responsible for transforming visual information into spatial knowledge of familiar places.
A study published in Nature Communications found that a drug called Osanetant reduces fear memory in male mice but increases it in female mice. The research reveals sex-based differences in the Tac2 neuronal circuit involved in fear memory formation.
A shared set of brain regions play an important role in controlling the successful retrieval of weak memories, according to a new University of York study. The research may have implications for treating memory disorders like dementia and developing more advanced artificial intelligence systems.
Researchers found that adaptive cognitive training program Cogmed Working Memory Training improved visual working memory, verbal short-term memory, and math fluency in children with SCD. Patients who completed at least 10 training sessions showed the most significant benefits.
Research shows a direct connection between particular bacteria in the gut and impaired brain function, with sugar consumption impairing memory associated with the hippocampus. The study also found that transplanting specific gut bacteria without sugar consumption can replicate memory impairments in adulthood.
Researchers found that objective and subjective memory can function independently and involve different parts of the brain. People tend to make decisions based on how they feel about a memory rather than its accuracy.
A Northwestern University study uses brain stimulation to improve memory for everyday activities, replicating how memory works on a day-to-day basis. The findings have implications for developing effective ways to improve real-world memory.
A study by Scripps Research has discovered a memory gating system employing dopamine to direct transient forgetting, a temporary lapse of memory that spontaneously returns. The mechanism was found to be separate from long-term memory recall.
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 new study by Hayden Noel found that emotionally arousing advertisements can have a negative effect on immediate memory but a positive effect on delayed memory if the level of emotional arousal is congruent with the ad's claims. The research has practical implications for advertisers seeking to develop effective message strategies.
Early childhood memory abilities predict the strength of future brain connections, while the strength of early brain connections predicts future memory acuity. This study highlights the complex relationship between brain function and ability during development.
Researchers found that testing long-term memory recall predicted cognitive decline in healthy older people more accurately than classic memory tests. The study also showed that combining this test with an MRI brain scan improved accuracy in predicting Alzheimer's disease risk.
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.
Neuroscientists at Harvard Medical School have identified a critical gene, Fos, that allows neurons to rewire inputs from other neurons, enabling networks of disparate neurons to coordinate activity. This mechanism is thought to be essential for memory consolidation and recall.
A team of researchers has found that visual short-term memory retains multiple types of information, including color, texture, and name, in a single phase. This challenges previous assumptions about the complexity of visual short-term memory and highlights the importance of complex brain activity analysis.
A three-year grant has been awarded to Montclair State University and Kessler Foundation researchers to explore treatments for long-term memory impairments in individuals with traumatic brain injury. The study aims to develop innovative treatment strategies directed at process-specific remediation of cognitive and neural mechanisms und...
Researchers have developed a gallium arsenide-based ferromagnetic semiconductor that can act as memory by quickly switching its magnetic state in the presence of an induced current. The new material suppresses instability and lowers power consumption, offering highly efficient memory.
Scientists at the University of Basel have identified a key protein regulating long-term memory, found to decline with age. By studying roundworms, they discovered that a molecule called MPS-2 plays a central role in intact long-term memory and is also involved in age-related memory loss.
Thicker electrodes with greater surface roughness improve resistance switching memory cell characteristics. The study found that such electrodes reduce forming and switching voltages, increase endurance to 50 million cycles, and enhance device performance.
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 new study published in Neurology found an association between working for pay and slower memory decline, regardless of marital or parenthood status. Engaging in paid work may offer some protection against memory loss due to cognitive stimulation, social engagement or financial security.
A new study found that individuals with higher levels of positive affect had less steep memory decline over a nearly decade-long period. Positive emotions are associated with healthier aging, contradicting the notion that memories fade with age.
Researchers found that individuals with lower sustained attention ability and those who engage in heavy media multitasking perform worse on memory tasks. By monitoring pupil size and brain activity, scientists can predict whether an individual will remember or forget.
A brain protein that regulates time-keeping also plays a crucial role in normal memory formation, according to new research in fruit flies. Memory regulation by this protein, PDF, likely occurs without direct signaling to the main memory structure.
A new study by Tomohiro Kurosaki at Osaka University reveals that Bach2 expression and reduced mTORC1 activity are necessary for activated B cells to become memory B cells, a type of white blood cell that sticks around for years and provides rapid responses to re-infection. This understanding can help develop efficient vaccines.
Researchers review 'multi-state memory' data storage technology that stores more than just 0s and 1s, enabling high-density storage and fast access. The technology has the potential to enhance storage density without scaling down device dimensions.
A McGill-led research team found that protein synthesis in inhibitory cells plays a crucial role in controlling long-term memory. The study identified two distinct processes taking place in excitatory and inhibitory networks, with each neuronal system capable of selective manipulation for memory control.
A new study in mice identifies a critical gene for short-term memory that functions in the thalamus, not traditionally associated with memory. Disabling this gene enhances working memory in low-performing mice.
Researchers found that working memory is not confined to one brain area but requires synchronous activity of at least two regions. Gpr12 receptors in the thalamus are essential for establishing synchrony between the prefrontal cortex and other brain areas, leading to improved working memory performance.
Researchers at Tufts University found that warning witnesses about the threat of misinformation can significantly reduce its negative impact on memory. The study revealed that warnings can protect memory from misleading information by influencing reconstructive processes during memory retrieval.
Researchers found that brain function remapping is impaired in Alzheimer's disease patients, causing spatial memory impairment. Improving brain remapping function may reverse spatial memory impairment using deep brain stimulation methods.
Researchers found that single neurons' down-regulation of excitability can provide working memory for language processing. The model establishes context-dependent and serial order-sensitive memory, ideal for language comprehension.
A research group from the University of Bologna developed a new protocol that combines fear conditioning with neurostimulation to modify aversive memories. Participants who underwent TMS sessions showed reduced psycho-physiological responses to unpleasant stimuli, indicating successful alteration of fear memory persistence.
Researchers at the University of Southern California have created a novel memory device that exceeds previous performance while offering promising prospects for integration with silicon electronics. The device uses asymmetric metal and semi-metallic graphene materials to achieve record-breaking speed and efficiency.
A study published in Neuron reveals how normal brain network function of hippocampus cells, which works to discriminate a distinct spatial environment, is disrupted in Alzheimer's disease. The disruption is likely caused by the activity impairment of the entorhinal cortex.
A team of Greek researchers evaluate the progress in optical memory domain over past 25 years, shedding light on physical mechanisms behind demonstrated devices and classifying performance metrics. They highlight benefits of different optical technologies and report recent achievements towards advancing memory functionalities.
The US Department of Energy has awarded Penn State over $10 million to develop new ferroelectric memory materials that can be stacked in the third dimension above processor chips. This breakthrough technology aims to mitigate the von Neumann bottleneck, allowing for seamless communication between memory and computation.
Researchers at Bar-Ilan University have developed a structure that can support exponentially many discrete magnetic states, opening the door to ultra-high-density magnetic memory and novel computing applications.
A protein fragment derived from soybeans has been shown to improve working and long-term memory in mice with simulated Alzheimer's disease. The dipeptide, named Tyr-Pro, is the first known molecule to enter the brain intact after ingestion.
Research at DZNE reveals that experience encoding neurons interfere with memory containing neurons, disturbing recall of memories. Healthy mice and those with Alzheimer-like pathology were used to explore novel environments, showing a difference in brain activity.
A study published in the journal Aging, Neuropsychology, and Cognition found that children who attend school for longer periods have better memory abilities in old age, particularly for women. More years of early-life education counteract age-related memory losses, suggesting a protective effect against Alzheimer's disease.
Adult-born neurons in the hippocampus play a crucial role in memory consolidation during REM sleep, according to a study published in Neuron. The researchers found that activity in these neurons is necessary for memory consolidation and that synaptic changes occur during learning, enabling memory formation.
Researchers discovered that memory recall processes in older adults resemble those in younger populations, but for those who struggle to remember, brain activity patterns are diminished. Stronger hippocampal activity and replay in the cortex were linked to better memory performance, regardless of age.
Researchers from the University of Warwick and the University of Waikato found no evidence that Sans Forgetica boosts memory. Four experiments involving over 882 people showed that the font promotes a feeling of disfluency but does not improve learning, contradicting previous claims.
Researchers analyzed child brain activity using fMRI to predict working memory abilities during development. The study found that brain network activity in the frontoparietal network was unique to working memory and reflected individual capabilities.
A new study reveals that the brain can update poorly formed memories with incorrect information, leading to inaccurate recall. The research suggests targeting updating mechanisms therapeutically to treat memory and anxiety disorders.
Researchers found that individuals with higher cardiovascular risk burdens experienced faster declines in episodic memory and working memory, as well as smaller hippocampal volumes. Maintaining heart health may be key to preventing cognitive decline, according to the study's findings.
Researchers found that immune receptor TLR4 suppresses neuronal activity in the normal brain to improve signal-to-noise ratio, while increasing excitability after injury. Inhibiting TLR4 signaling reduces long-term working memory deficits and improves memory function weeks to a month after brain injury.
Researchers developed a new form of digital memory called racetrack memory, which can store more information in a smaller space and use less energy. The breakthrough could lead to faster and more efficient computer memory technologies.
A new study identifies lactate, a molecule produced by a common gut microbe, as a key memory-boosting molecular messenger. The researchers found that mice fed specific probiotics experienced improved memory, with increased levels of gamma-aminobutyric acid (GABA) in their brains.
Researchers at Tel Aviv University and Weizmann Institute of Science developed a new sleep method that uses smell to strengthen memory retention in the brain. The technique, which administers a specific scent to one nostril, has shown promise in boosting memory consolidation during sleep.
Researchers at Baycrest's Rotman Research Institute found that participants' eye movement patterns could predict mistakes in memory. They used an innovative eye tracking technique to map the participants' eye movements and observe pattern completion.
Research by University of Kent found that moderate intensity exercise, such as brisk walking or cycling, significantly benefits long-term memory performance. The study suggests that moderate exercise is a more effective approach than highly strenuous exercise for improving memory.
A new study found that testing enhances both memory and the ability to make inferences about subject matter. The researchers tested participants with either rote restudy or testing, and found that testing improved long-term memory and inference over a period of 25 days.
A study of 139,000 older Australians found strong links between certain food groups, such as fruit, vegetables, and protein-rich foods, and reduced memory loss and comorbid heart disease. Age-specific dietary guidelines may be necessary to prevent cognitive impairment in older populations.