A group led by Takhee Lee demonstrated an optimal combination of materials and processing for a resistive memory circuit design. The scientists showed that exposing the contacts to an oxygen plasma improved the on/off signal ratio more than 10-fold, enabling high-performance memory devices.
Researchers have identified a preclinical candidate that may slow the natural decline in memory associated with ageing. The new synthetic compound selectively blocks an enzyme involved in high levels of 'stress' steroid hormones, which are linked to memory loss.
A recent study found that electric stimulation of the right anterior temporal lobe improved proper name recall by 11% in young adults. This technique, known as tDCS, may also lead to longer-lasting effects and hold promise for treating memory decline in older adults.
A new study reveals that people with a history of cancer are 40% more likely to experience memory problems that interfere with daily functioning. The findings suggest that cancer itself is a key independent predictor of memory issues, going beyond previously recognized conditions like 'chemobrain'.
A study published by the American Academy of Neurology found that brain lesions associated with dementia contribute to mild memory loss in older adults. The study of 350 Catholic nuns and priests revealed a gradual decline in memory until the last four to five years of life.
The study proposes a novel dynamic memory mapping (DMM) model to improve the flexibility and extensibility of virtual machine monitors. The DMM model enables platform-independent and adjustable memory management, providing a uniform interface for integrating advanced memory management policies.
A new study by Baycrest's Rotman Research Institute found that older adults are more prone to destination memory failures, including falsely believing they've shared information. They remain highly confident in these false beliefs, leading to awkward social situations and miscommunication.
A recent study published in the journal Brain has found a link between nerve cell production and memory in humans. The research suggests that increasing nerve cell regeneration in the hippocampus may alleviate or prevent memory loss, providing new insights into age-related cognitive decline.
Researchers at Scripps Research Institute have uncovered a critical role for myosin II in long-term memory formation. Myosin II links together key processes, including signal transmission and synaptic plasticity, to solidify neuronal communication.
A new study found that individuals with alcohol dependence not only experience impaired episodic memory but also a distorted perception of their own cognitive abilities. This distortion leads to an overestimation of memory capacities and a failure to recognize actual memory deficits.
Researchers found that certain stages of sleep have distinct roles in people's memory capacity, with REM sleep stage crucial for memory systems. The formation of associative networks from previously unassociated information is facilitated by changes to neurotransmitter systems during REM sleep.
Scientists at Hebrew University have developed a new technology using poplar tree protein to increase computer memory capacity and reduce manufacturing costs. The approach involves combining protein molecules with silica nanoparticles, resulting in a cost-effective system that can greatly expand existing memory capacity.
A study by UCLA researchers found that NF1 genetic mutations disrupt working memory in the brain's prefrontal cortex, hindering communication between brain cells. The excess GABA release hampers neural activity, leading to reduced success rates in memory tasks.
A new study found that obesity is associated with poorer memory and brain function in older women, particularly those who carry excess weight around their hips. The research controlled for various health factors and suggests that different types of fat may have varying effects on cognition.
Researchers at Washington University in St. Louis found that sleep strengthens weak associations in the brain, improving prospective memory and recall of future intentions. The study showed that a good night's sleep helps individuals carry out their plans more effectively by enhancing the link between context and intention.
Researchers found that predator scent enhanced the ability of pond snails to form memory following training, while overcrowding and reduced calcium had a blocking effect. The scientists believe that the ability to remember unfamiliar environments, new predators and food sources is vital to the survival of the pond snail in the wild.
A new study published in Neurology found that mentally active lifestyles may reduce the negative effects of brain damage on learning and memory in people with multiple sclerosis. Participants with enriching lifestyles showed better scores on tests of learning and memory despite higher amounts of brain damage.
Continuous positive airway pressure therapy helps restore memory consolidation in adults with obstructive sleep apnea, suggesting that CPAP is effective at recouping memory abilities impaired by OSA. Participants treated with CPAP outperformed untreated OSA patients on an overnight picture memory consolidation task.
A team of researchers has discovered a protein that can mimic the effect of training in rats, inducing a memory of safety. The protein, BDNF, supports the growth and survival of neurons and was found to be effective in extinguishing fear memories in rats.
Scientists found a way to pharmacologically induce a memory of safety in the brain of rats by administering brain-derived neurotrophic factor (BDNF) into the prefrontal cortex. This procedure prevented rats from expressing fear to a tone that had been previously paired with a shock, suggesting new treatments for anxiety disorders.
Researchers found that longevity treatments have different impacts on learning and memory in C. elegans, a nematode species. Dietary restriction improved early adult memory but declined with age, while reduced Insulin/IGF-1 signaling enhanced memory performance but failed to preserve it with age.
A comprehensive study identifies significant cognitive and anatomic differences in Alzheimer's disease patients with and without the APOE ε4 gene, affecting memory, attention, language, and executive function. The findings have important implications for early diagnosis, treatment, and personalized medicine approaches.
Researchers at UAB have made a breakthrough in understanding age-related memory loss, with histone deacetylase inhibitors showing great promise in both normal age-related decline and Alzheimer's disease. The findings provide important proof-of-principal for potential therapeutic interventions to improve quality of life in the aged.
Researchers are gaining insight into the workings of magnetic shape-memory materials by studying their molecular level behavior. By examining the effects of excess manganese atoms on a specific alloy, scientists hope to develop materials that exhibit larger changes in shape.
Researchers mapped over 4 billion neuronal interactions to reveal synchronized brain areas during working memory tasks. The study shows that rhythmic activity between brain regions is linked to both memory maintenance and content.
Researchers have found a specific genetic cause of schizophrenia that impairs communication between the brain's decision-making and memory hubs. Engineered mice with this mutation show difficulty with working memory tasks, highlighting the importance of connectivity in learning and memory.
Researchers at Rutgers University found that mice trained to improve their working memory exhibit improved cognitive abilities and remain sharper as they age. Early training appears to have a lasting impact on the mice's intelligence.
Researchers found that image recognition and memories are stronger when neurons fire in sync with local theta waves during the learning process. The study also established a direct relationship between individual neuron spike timing relative to theta oscillations and human behavior.
Researchers have discovered that heat can aid in low-power data storage by harnessing random thermal motions. This breakthrough could lead to magnetic memory that operates at significantly lower power than conventional devices.
Researchers found that unexpected stimuli enhance early and late electrical potentials in the hippocampus, with a memory recall for unexpected items. The nucleus accumbens is also involved, influencing subsequent processing to promote memory encoding.
A new study suggests that recreational drugs like ecstasy and cocaine can affect users' memory functions, including prospective memory. The researchers found that ecstasy/polydrug users showed memory deficits in both lab-based and self-reported measurements of their prospective memory.
Researchers at NYU School of Medicine have found that elevated levels of phosphorylated tau231 may predict future memory decline and loss of brain gray matter in healthy adults. High levels of P-tau231 are associated with reductions in medial temporal lobe gray matter, suggesting its potential as a diagnostic tool for Alzheimer's disease.
Researchers at CSHL have identified a protein called Rac as the regulator of forgetting in short-term memories. Elevated Rac activity accelerates memory decay, while inhibition slows it down.
A new magnesium compound, MgT, has been shown to boost learning abilities, working memory, and short- and long-term memory in rats. The study suggests that maintaining normal or higher levels of magnesium may help slow age-related loss of cognitive function and prevent diseases affecting cognitive function.
A study published in ACS' Journal of Agricultural and Food Chemistry found that blueberry juice supplementation improved learning and memory tests in volunteers aged 70-72. The researchers suggested that consistent blueberry consumption may offer an approach to mitigate neurodegeneration.
Recent studies have found a crucial role for calpain in the processes of learning and memory. Calpain is believed to mediate the effects of BDNF, a molecule considered a potential
A large national study from Brandeis University found that intellectual activities undertaken regularly can make a difference in maintaining memory. Those with low education who engaged in reading, writing, attending lectures, doing word games or puzzles regularly had memory scores similar to people with more education
Researchers created stimulus-specific sustained activity patterns in brain circuits maintained in vitro, revealing the possibility of storing information in isolated brain tissue. The study found that semilunar granule cells played a critical role in this process.
MCG scientists decoded memory-forming brain cell conversations using new technology and computational methods. The breakthrough enables researchers to identify the components of a memory and its retrieval at the network level, potentially pinpointing flawed memory formation stages.
A new study published in Journal of Consumer Research reveals that scent significantly enhances recall of product information, with scented products remembered better than unscented ones. The researchers found that product scent is more effective at enhancing memory for product-related information than ambient scent.
Researchers successfully blocked a conditioned fear memory in humans for at least a year using a noninvasive technique that exploits the reconsolidation window of emotional memories. The method, inspired by animal studies, shows promise for treating anxiety disorders like PTSD by altering emotional memories during their recall.
Researchers at NYU have developed a non-invasive technique to block the return of fear memories by updating them with non-fearful information during the reconsolidation process. This technique, shown to be effective in reducing fear responses, may lead to new ways to treat anxiety disorders.
Researchers discovered two distinct short-term memory networks: one independent of the hippocampus and another dependent on it, which are impaired alongside long-term memory. Patients with impaired long-term memory have a significant short-term memory burden.
Researchers found that exercise after whole-brain radiation treatment improved erasable memory in mice, comparable to humans' experience. Exercise also reduced depressive-like behaviors in irradiated mice, suggesting a protective effect against memory loss and depression.
Neuroscientists have identified a protein called SHP-2 phosphatase that controls the spacing effect, which enhances long-term memory by adjusting rest intervals. The study found that manipulating SHP-2 phosphatase activity can reverse memory deficits in mutants with Noonan's syndrome.
Researchers at the University of Missouri have discovered new evidence on how the brain reacts to fear using computational models, which can analyze neural mechanisms from a systems perspective. The study finds that fear memory is only partially erased by extinction and inhibition is necessary for complete extinction.
Reijmers is investigating the proteins involved in long-term memory storage, with potential applications in treating diseases like Alzheimer's. His research aims to understand the mechanisms of memory and apply them to various fields, including addiction, epilepsy, and spinal cord regeneration.
A Rutgers University research team has identified the mechanism that causes learning and memory formation during sleep. Short transient brain events called sharp wave ripples are responsible for consolidating memory and transferring learned information from the hippocampus to the neocortex, where long-term memories are stored.
A study led by MSU researcher Kimberly Fenn found that sleep helps reduce false memories and improve performance in individuals with poor memory, including seniors. This suggests that sleep strengthens the source of the memory, allowing for better recall and recognition.
Researchers simplify fabrication of nano storage, creating a potentially very dense, stable nonvolatile memory for digital devices. The graphite-based approach uses industry-standard lithographic techniques to deposit amorphous graphite onto silicon, facilitating the creation of reliable memory bits.
Scientists discovered a way to track stored memories using eye movements, even when individuals are unable or unwilling to report what they remember. The study highlights the role of the hippocampus in memory and awareness, suggesting that conscious memory may depend on interactions between the hippocampus and prefrontal cortex.
Researchers at Columbia University Medical Center found that a cancer drug can restore memory deficits in patients with Alzheimer's disease by targeting a previously unknown defect in the brain. The drug works by increasing DNA spool acetylation and gene transcription, leading to improved memory performance.
Dr. Masopust's work on immunological memory of bacterial and viral pathogens has transformed the field of memory T cell biology. His research demonstrated functional differences between lymphoid and non-lymphoid CD8 memory T cells.
A recent CSHL study has found that fruit flies require the same gene, rutabaga, for short- and long-term memories but in different circuits. Short-term memory is initiated in the gamma lobe, while long-term memory is established in the alpha-beta lobe.
A study of 679 people aged 65 and older found that white matter hyperintensities were strongly linked to memory loss, while infarcts predicted non-memory cognitive problems. The results suggest that brain damage visible on scans may be a predictor of memory decline in old age.
A study has identified key Alzheimer's brain changes in older individuals with little memory impairment, shedding light on the role of amyloid protein in cognitive decline. The findings suggest that asymptomatic older adults may already be in the early stages of Alzheimer's disease.
Rebekah Smith, a UTSA psychologist, is studying adult memory with a focus on event-based prospective memory. She aims to understand how age affects cognitive processes involved in prospective memory and develop techniques to improve it in both young and older adults.
Researchers generated a novel kinase-dead mutant mouse of the CaMKII alpha gene that lacks its kinase activity, leading to severe deficits in hippocampal synaptic plasticity and behavioral learning. The findings support the idea that CaMKII alpha kinase activity is essential for memory functions.
A study by McGill University researchers has captured an image of a mechanism underlying long-term memory formation. New proteins are made locally at the synapse, increasing synaptic strength and reinforcing memories.
Researchers have discovered that calcium modulation affects long-term memory specifically while leaving learning and short-term memory intact. The study found that increased calcium levels during learning led to stronger responses to olfactory stimuli associated with food, indicating improved memory performance.