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.
Researchers at KAIST developed ultra-flexible organic flash memory that can be applied to non-conventional substrates like plastics and papers. The memory technology exhibits a significantly-long projected retention rate with programming voltages on par with industrial standards.
Researchers suggest existing models of memory formation should be revised due to existence of 'silent engrams' which store memories even when they cannot be retrieved through natural cues. Memories are stored in a specific pattern of connections that form between cells during the first few minutes after an event occurs.
Researchers at North Carolina State University have developed new software and hardware designs to improve the performance and reliability of non-volatile memory systems. The 'Proteus' system uses a flexible and fast approach to logging, reducing the need for additional code and preserving long-term memory reliability.
A new CAMH study found that people unaware of their memory loss are more likely to progress to Alzheimer's disease. Those aware of memory problems are unlikely to develop dementia. The study used PET brain scans to identify specific brain regions affected in impaired illness awareness.
A team of Caltech engineers has developed the world's smallest optical quantum memory chip, capable of storing information in individual photons. The device stores data more efficiently and securely than traditional computer memory, with 97% accuracy rate.
A study led by Columbia University Medical Center researchers found that boosting blood levels of osteocalcin reverses age-related memory loss in mice. Osteocalcin binds to a receptor called Gpr158 in the brain's memory center, and restoring youthful levels of the hormone improves cognitive function.
A team of researchers has developed a novel type of memory called magnetoelectric memory, which reduces energy consumption by a factor of 10,000. This breakthrough technology could enable instant device startup and lower energy costs in computing hardware applications.
Researchers have identified a distinct 'detour' circuit in the hippocampus that is necessary for memory recall, but not for memory formation. This circuit branches off from the original memory circuit and connects to the entorhinal cortex, enabling easier editing or updating of memories.
Research finds that a neural stopover in the subiculum is necessary for retrieving episodic memories, but not forming them. Activating or inhibiting this pathway affects memory recall and stress hormone levels related to fear responses.
A recent study found that imagining an action between two objects and its potential consequence can improve memory performance. Older adults who learned to use this strategy showed significant improvements, suggesting a promising approach for personalized memory rehabilitation.
Researchers at NYU conclude that memory is fundamentally structured in the time domain, with a 'temporal hierarchy' of time windows altering brain state. This theory explains how short-term memories can transform into long-term ones.
Research found that reduced mastication in mice led to suppressed maxillofacial bone and muscle growth, as well as reduced neural activity in the hippocampus, a key component of memory. This study suggests maintaining or strengthening masticatory function may help prevent dementia and memory/learning dysfunction.
A new study published in Neuron provides direct experimental evidence for the 'Memory-Synapse Specificity' Hypothesis, linking a specific type of synapse to a particular behavior and memory. The research reveals that synaptic long-term potentiation (LTP) at a specific type of synapse encodes socially acquired olfactory memory.
Researchers have developed a new technique to isolate neuronal activity during memory consolidation, revealing that individual hippocampal neurons respond selectively to specific memories. This study provides insight into the neural mechanisms of memory formation and its potential link to brain diseases like epilepsy.
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.
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.
New research reveals the brain is a co-operative continuum for learning and memory, with different regions working together to reduce ambiguity. This understanding could lead to new treatments for cognitive diseases like Alzheimer's, where interference may be the cause of memory loss rather than forgetting.
Research reveals that novelty detection triggers brain states that enhance new memory formation, suggesting a shift in how we make memories. The study's findings have implications for developing novel early warning tests and management strategies for memory impairments like Alzheimer's disease.
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 have identified a key to generating effective tissue-resident memory T cells that can fight off infections in organs. By adjusting the strength of T cell receptor stimulation, scientists can promote the generation of these cells, which could lead to more efficient protection against viruses like Zika and HIV.
A study in rats found that resistance exercise improved motor coordination and memory impaired by MSG, with recognition memory improving in males and location memory in females. Researchers aim to understand the mechanism of this improvement.
Research reveals that fluctuations in estrogen can trigger atypical functioning in a key brain memory circuit in women with a common version of the gene, NIMH scientists have discovered. This finding may help explain individual differences in menstrual cycle and reproductive-related mental disorders linked to fluctuations in the hormone.
Research from Sandia National Laboratories shows that brain stimulation combined with working memory training improves cognitive performance. Volunteers who received non-invasive brain stimulation while training showed significant improvements in verbal and spatial tasks, as well as problem-solving ability.
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.
Researchers at the University of Pennsylvania have shown that electrical stimulation delivered when memory is predicted to fail can improve memory function. The study found that stimulating the brain during periods of poor function significantly improves memory, likening it to restoring normal traffic flow.
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.
Scientists at McGill University used magnetoencephalography and electroencephalography to study the relationship between theta waves and auditory memory. They found that applying transcranial magnetic stimulation (TMS) at the same frequency as natural theta waves improved memory performance, while arrhythmic TMS had no effect.
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.
A trial in UK general practices found encouraging patients with potential memory deficits to seek GP advice did not change their behavior or lead to earlier dementia diagnoses. The intervention did increase the proportion of patients consulting GPs with suspected memory problems.
A new study has identified a critical molecular mechanism that operates in memory T cells, which could be manipulated to produce and maintain more memory T cells. This finding could lead to improved vaccinations and cancer immunotherapies by enhancing the production of memory T cells.
After 40 days of daily training using a strategic memory improvement technique, individuals with typical memory skills more than doubled their memory capacity. Brain scans showed altered brain functions and similar connectivity patterns as those of world champion memory athletes. Four months later, recall performance remained high.
A new study from Northwestern University finds that sound wave stimulation synchronized to brain waves triples memory scores in older adults and enhances deep sleep. The technique, which uses real-time brain wave analysis, shows promise as a non-meditation approach to improving brain health.
Researchers at Johannes Gutenberg University Mainz have identified two gaseous messenger substances, nitric oxide and hydrogen sulfide, as crucial for the formation of Drosophila's spatial orientation memory. This memory is retained in a small group of ring-shaped neurons in the ellipsoid body of the central brain.
Researchers identified specific neural pathways controlling temporal and spatial aspects of episodic memory in rats, revealing the brain's intricate communication between regions.
Scientists at Northwestern University used non-invasive brain stimulation to target specific memory networks, enhancing spatial precision and retention. The treatment showed lasting benefits of up to 24 hours, outperforming previous studies on short-lived effects.
A study published in Science found that the entorhinal cortex replays memories of movement independently of the hippocampus, challenging the long-held view of the hippocampus as the primary memory region. The medial entorhinal cortex acts like a navigational system, providing cues for location and movement to the hippocampus.
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.
A study found that older adults with obesity receive only one-third the benefit from memory training compared to those with normal weights. Researchers investigated the effects of cognitive training on memory, reasoning, and speed processing in 2,800 participants aged 74.
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.
A new study by UCR psychology professor Weiwei Zhang found that familiarity with a subject can boost memory capacity. Participants were shown Pokémon characters and asked to remember them in working memory; those who were more familiar with the characters remembered more.
A new study from the University of Missouri found a link between working memory and how children learn, suggesting that teaching techniques can be tailored to individual needs. The study suggests that educators can help children with language learning disabilities by reducing information overload and focusing their attention on one task.
Researchers found that moderate exercise improved spatial memory impairments in type 2 diabetic rats, possibly due to increased lactate levels and normalization of glycogen levels. Exercise also normalized MCT2 expression, which may be a key mechanism underlying the improved memory function.
A recent study published in Neuron found that deep brain stimulation did not improve memory performance, with a range of impairment from 5% to 20%. However, the researchers suggest that a different stimulation protocol may be necessary to boost memory.
Researchers at the Stowers Institute discovered Orb2's role in encoding memory and forming long-term memory in fruit flies. The protein's prion-like ability transforms into clusters under certain conditions, which helps stabilize memories.
Researchers discovered that neural activity supporting short-term memories only arises when recall is consciously attempted. This study finds that information in working memory is maintained through mechanisms other than sustained neural activity and can be revived using transcranial magnetic stimulation.
A new IU study shows that rats exhibit much stronger episodic memory than previously believed, remembering up to 30 events in context. This finding has implications for research on human diseases affecting memory, including Alzheimer's and Parkinson's.
Researchers at Uppsala University have shown that disrupting fear-memories can improve exposure therapy for arachnophobia. This method, known as reconsolidation disruption, makes the memory unstable and then saves it in a weakened form.
Researchers found that blocking calcium entry into mitochondria impaired memory, but allowed for learning in fruit flies. The study suggests a developmental role for mitochondrial calcium uniporter complex in regulating adult memory.
Researchers discover that five hours of sleep deprivation leads to a loss of connectivity between neurons in the hippocampus, a region associated with learning and memory. However, blocking the protein cofilin and allowing recovery sleep restores neuronal connections and improves memory processes.
Researchers at the University of Nottingham found that faulty inhibitory neurotransmission and excessive activity in the hippocampus impair memory and attention. The study highlights the importance of well-balanced neural activity within brain regions, suggesting that both too much and too little activity can cause impairments.
A research group at Osaka University has clarified the molecular mechanism behind inducing germinal-center B cells to differentiate into memory B cells, a crucial step in creating effective vaccines. This breakthrough reveals that lower-affinity maturation of antigens is key to memory B cell differentiation.
Researchers found that older adults with memory deficits selectively recalled positive information, while high-performers retained neutral material. The test could potentially detect Alzheimer's susceptibility in early stages.
Researchers will investigate how memory systems develop in the human brain using unique neuroimaging methodologies. The project aims to identify spatial and temporal dynamics of memory networks in children with medically uncontrolled epilepsy, with potential clinical applications to improve their quality of life.
A new study by Northwestern University finds that moderate-to-vigorous physical activity is associated with improved subjective memory in breast cancer survivors. Higher levels of physical activity are linked to lower distress, less fatigue, and higher self-confidence, which in turn aids memory.
A European study led by Umea University Professor Lars Nyberg found a positive link between the dopamine D2 receptor and long-term episodic memory, which often declines with age. The research suggests that impairment of the dopamine system may play a crucial role in understanding age-related cognitive decline.
A new study found that methylene blue increased response in brain areas controlling short-term memory and attention, leading to improved reaction times and memory retrieval. The results suggest that methylene blue can regulate certain brain networks related to sustained attention and short-term memory after a single oral low dose.
A new study suggests that physical exercise after learning improves memory consolidation, particularly when done in a specific time window. The researchers found that exercising four hours after learning retained the information better two days later than those who exercised immediately or not at all.
A team of researchers at UC Riverside led by Sara C. Mednick found that the autonomic nervous system is responsible for promoting memory consolidation during sleep. They demonstrated a correlation between increased ANS activity and improved memory performance after a nap.