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.
Researchers from Empa and re-fer AG have developed a new building material called memory-steel, which uses shape-memory alloys to permanently prestress concrete structures. The material eliminates the need for hydraulic prestressing, reducing space requirements and making it suitable for confined spaces.
Researchers found that osteocalcin, a bone hormone, reverses memory loss in the aging brain by interacting with key proteins like RbAp48. Exercise may also positively affect the brain through osteocalcin release, suggesting a potential way to stave off age-related memory loss.
Researchers at IBM developed a new computer architecture with co-located memory and processing, significantly outperforming conventional computers. This brain-inspired design achieved 200 times faster performance in machine learning tasks.
A new study suggests that low estrogen levels during menopause may contribute to increased anxiety and minor memory problems. The research, conducted on female rats without ovaries, found a link between estrogen deficiency and anxiety-like behavior.
A novel mechanism links epigenetic changes to translational control in the brain, controlling downstream regulation of translation during fear memory reconsolidation. This finding may help attenuate maladaptive memories in psychiatric disorders.
A Northwestern University study found that noninvasive brain stimulation improved the brain's ability to form new memories, with increased excitability lasting at least 24 hours. The research has implications for treating memory problems due to aging or brain damage.
Song Jiang is working on a three-year grant to improve cache efficiency in software, allowing for faster data access and large memory usage. He aims to develop prototypes that can combine or skip steps to access data automatically without slowing CPU speeds.
Working memory is a crucial aspect of cognitive function, and researchers are trying to understand its underlying mechanisms. A recent study suggests that brief, coordinated bursts of neural activity may be essential for maintaining working memory. This finding challenges the traditional view that neurons fire continuously during this ...
Researchers found that 'acting out' scenarios can improve prospective memory, a skill that reminds people to take action in the future. The study suggests that this technique may support individuals with mild cognitive impairment, leading to safer, more independent living.
Researchers from the Higher School of Economics conducted a meta-analysis of neuroimaging studies on working memory in children, revealing concordance in frontoparietal regions and unexpected findings in the prefrontal cortex. The study sheds light on the complex role of the insula and its potential impact on learning.
Researchers found that mouse memory cells, known as engram cells, are activated by context and episodes, rather than specific locations. This challenges the traditional view of memory storage in the hippocampus, suggesting a more complex role for the brain region.
Researchers have found that non-invasive brain stimulation during sleep can improve memory consolidation and generalization. The study used a closed-loop transcranial alternating current stimulation system to synchronize brain activity during slow-wave oscillations, leading to enhanced performance in detecting targets in novel situations.
Researchers at the University of Alberta have developed a new, atomic-scale rewritable memory that can store 45 million songs on the surface of a quarter. This breakthrough technology can withstand normal temperatures and is road-ready for commercial use, promising to revolutionize data storage and archival.
Researchers at Lancaster and Lisbon Universities found that long-term exposure to cannabis impairs learning and memory in animals. Brain imaging studies showed the drug affects key brain regions involved in learning and memory.
Research shows that synapse-specific plasticity is necessary and sufficient for associative fear memory storage, guaranteeing uniqueness to the memory trace. This process enables the selective erasure of fear memory from an engram network without affecting other memories stored in the same ensemble.
Researchers have discovered a specific brain neuron with a central role in learning and improving memory formation. The study found that activating this brain cell improved memory function, while overactivating it led to impaired learning and memory.
Researchers identified a genetic link between SuperAgers and better memory retention, suggesting that therapies targeting the MAP2K3 gene could reduce age-related memory decline and Alzheimer's disease risk.
Researchers found that sleep spindles, brief bursts of brain activity, are linked to memory reactivation and improve retention. The rhythmic pattern of spindles may help segregate memories, preventing interference between them.
A new study shows that centenarians outperform younger individuals in recognizing natural foods, indicating the role of experience in shaping semantic memory. The research reveals a decline in semantic memory function only after age 90, making it a potential early indicator for neurodegenerative diseases.
Researchers at Columbia University Irving Medical Center found a specific serotonin receptor that enhances memory, with drugs targeting this receptor showing promise for boosting cognitive function. The study used optogenetics to demonstrate the role of serotonin in strengthening neural communication and improving spatial memory.
Researchers at Indiana University found that rats can replay past events from memory using episodic memory replay. The study confirms the ability of animals to recall specific events and their order, which is essential for making sense of scenarios. This breakthrough could lead to more effective treatments for Alzheimer's disease.
A study published in Neurology found that depression in older adults may be linked to memory problems and structural differences in the brain. Researchers also discovered a possible link between depression and small vessel disease, a condition affecting brain health.
Researchers found that brain regions break down communication when trying to retain too much information in working memory. The study suggests that the 'coupling' of brain waves among three key regions breaks down when visual working memory load becomes too much.
A study of over 1,300 women found that entering menopause at a later age was associated with better verbal memory skills. After adjusting for other factors, the researchers found a small but significant difference in memory scores, recalling an average of 0.09 additional words per year.
Researchers found that as working memory load increases, brain wave synchrony among three key regions breaks down, leading to a loss of communication and sustaining working memory. This study sheds light on the intrinsic limit of conscious thought and cognitive performance, potentially explaining psychiatric disorders.
A recent Baycrest study found that memory training programs are only effective when tailored to an individual's specific memory difficulty, such as remembering faces or voices. Training focused on recollection improved older adults' abilities to mentally time travel and re-experience past events.
Researchers successfully implemented a prosthetic system that utilizes individual brain cell patterns to enhance memory encoding and recall. In a pilot study, participants showed significant improvements in episodic memory performance, with the most notable gain observed when stimulated with correct-answer codes.
Researchers found that older adults are more likely to rely on gist memory, leading to difficulty distinguishing between real and false memories. This can result in false memories being confused with actual events.
A study by Massachusetts General Hospital researchers identified a neural circuit mechanism involved in preserving memory specificity and a genetic 'switch' that can slow down memory generalization. Targeting levels of abLIM3 protein could improve memory in aging and reduce symptoms of PTSD.
A new study has identified a specific structure within memory cells that enables them to respond rapidly to infections and vaccinations. This discovery sheds light on how the body remembers disease-causing pathogens and can react more quickly upon renewed exposure.
Researchers found that sleep spindles facilitate processing of relevant memory features during sleep and boost memory consolidation. The study suggests that inducing sleep spindles may help improve memory performance while sleeping.
Researchers used high-resolution functional brain imaging to study memory performance in younger and older adults. The study found that object memory is more vulnerable to age-related decline than spatial memory, with a specific region of the brain linked to this deficit.
A new study reveals that working memory training with a strategy leads to rapid improvements, contradicting the idea of increased capacity. The findings suggest that task-specific strategies developed during training are key to benefits.
A study by University of California, Irvine researchers found that high-resolution brain imaging can identify the underlying causes of differences in memory proficiency between older and younger adults. The study revealed that object memory is more vulnerable to age-related decline than spatial memory.
Research found that transcranial direct current stimulation improves memory in people aged 18-35 but not those aged 60-79. The study tested 48 participants in each age group and found a 50% improvement in memory for younger adults immediately after stimulation.
A study of 312 participants who had surgery and 652 participants who did not found that surgery was associated with a decline in immediate memory by one point out of 30 possible test scores. Additionally, reduced working memory decline was linked to longer cumulative operations.
A new study by Brigham Young University finds that running under stress protects the hippocampus, a part of the brain responsible for learning and memory. Exercise strengthens synapses, maintaining long-term potentiation levels, which are essential for optimal memory formation and recall.
A team of University of Pennsylvania neuroscientists developed a system to monitor brain activity and trigger stimulation responsively, improving learning and memory performance. The study found that precisely timed electrical stimulation can reliably enhance memory function in patients with memory loss.
A recent study from Uppsala University found that sleep loss affects women's working memory differently than men's. Women who pulled an all-nighter performed worse on a working memory task, remembering fewer digits after sleep deprivation.
The discovery of a shape-memory mechanism in synthetic organic materials could lead to advancements in low-power electronics and medical devices. The researchers found that the transformation process is driven by concerted movement of molecules, enabling reversible and ultrafast shape changes.
A new study suggests that disruptions in certain regions of the visuospatial working memory network may lead to its impairment in schizophrenia. The precise balance between excitatory and inhibitory neurotransmitters is altered, leading to impaired visuospatial working memory.
Researchers developed ultra-thin memory storage device combining nanoscale memory and transistors, paving the way for advanced computing systems.
Researchers at University of Warsaw develop high-capacity quantum memory, storing up to 665 quantum states of light, using spatial multiplexing and magneto-optical trap. The system is resilient to decoherence, enabling complex manipulations of atomic states.
Research reveals memory CD8 T cells arise from effector CD8 T cells, which undergo demethylation to express genes associated with naïve T cells. This finding provides insight into designing more effective vaccines and expanding cancer immunotherapies.
Researchers found that memory T cells retain an 'epigenetic signature' from their effector state, allowing them to rapidly respond to future threats. This breakthrough has significant implications for vaccine development and could aid efforts to eliminate HIV from the body.
A study found a positive relationship between working memory and healthy traits like physical endurance and cognitive function. Traits associated with suboptimal cardiovascular health, smoking, and binge drinking were linked to less cohesive brain networks.
A study from the University of Waterloo found that reading information aloud enhances long-term memory by leveraging the dual action of speaking and hearing oneself. This 'production effect' is particularly beneficial for learning new information, suggesting a simple yet effective method to improve memory retention.
Researchers found that six weeks of intense exercise improved high-interference memory, a type of memory that allows us to distinguish between similar objects. Participants who experienced greater fitness gains also showed increased brain-derived neurotrophic factor (BDNF), supporting the growth and function of brain cells.
A study by NUS researchers has identified the potential role of a neuropeptide named Substance P as a mediator of social memory in area CA2 of the hippocampus. This finding suggests that Substance P may play a key role in forming social memories, including distinguishing between familiar and novel faces or objects.
A study by McMaster University neuroscientists found that even mild trauma from contact sports can disrupt the production of new neurons in the hippocampus, a region critical to memory. Temporary memory losses were observed in concussed athletes, while scores improved after a reprieve from their sport.