Researchers at NIST have created a flexible memristor that operates on less than 10 volts, maintains its memory when power is lost, and functions after being flexed over 4,000 times. The device bears similarities to a memristor, a component theorized in 1971 as a fourth fundamental circuit element.
Women experience cognitive decline during the menopause transition, with verbal memory and processing speed affected. However, these declines are temporary and resolve once women enter postmenopause, suggesting that estrogen or progesterone may have a beneficial impact on brain function before menopause.
Researchers at the University of Georgia have discovered that laboratory rats exhibit
A study by Marianne Hirsch and Leo Spitzer explores the evolution of Holocaust Studies and Memory Studies, arguing that even a witness' silence can tell a powerful story. The authors examine how oral and video testimonies have redefined listening and the role of witnesses in shaping collective memory.
A new study published in Psychological Science found that short-term visual memories of colors and shapes can last for at least four seconds without gradually fading away. After this period, the memories disappear completely, providing a clearer understanding of how memory formation and retention work.
Researchers found that consuming fat-rich foods enhances memory consolidation, triggering long-term memories of the activity. OEA, a compound produced in the small intestine, plays a key role in this process.
A recent study by North Carolina State University researchers found that senior citizens' ability to remember suffers when negative stereotypes about aging and memory loss are activated. However, those who do not feel stigmatized exhibit significantly higher levels of memory performance.
Researchers studied autobiographical memory in semantic dementia patients according to disease progression, finding early-stage patients could recall recent and lasting memories. As dementia evolves, mechanisms behind autobiographical memory impairment result from storage deficits and faulty retrieval strategies.
A study by IDIBAPS reveals that prefrontal cortex activation improves working memory by reinforcing parietal cortex activity, enhancing short-term visual information retention. This innovative view opens up new research avenues, particularly for understanding and treating diseases affecting working memory.
The study reveals a mechanism in the brain's neuronal network that restricts working memory capacity to two to seven items, with frontal lobes regulating parietal lobe memory capacity. The 'model brain' computations were confirmed using fMRI experiments and suggest improved working memory through increased frontal lobe activation.
A study by UC Davis M.I.N.D. Institute found that children with ADHD exhibit variable response times during working memory tasks, even when accuracy is similar to typically developing peers. Higher levels of hyperactivity and impulsivity are associated with slower reaction times.
A team of Dutch researchers successfully reduced the fear response in human volunteers using beta-blocker propranolol. The treatment weakened fear memories, allowing them to be erased from long-term memory. This breakthrough has implications for treating anxiety disorders and offers a new approach to intervention.
Researchers found that physically fit elderly adults have larger hippocampi and better spatial memory than their less fit counterparts. The study suggests that exercise can influence brain structure and cognitive function, with implications for aging and independence.
A study of 197 people with mild cognitive impairment found that engaging in mental activities like reading, crafting, and playing games reduced the risk of memory loss by 30-50% compared to those who didn't participate. Participants who watched TV for less than 7 hours a day were also 50% less likely to develop memory loss.
A vascular drug has improved spatial learning and working memory in middle-aged rats, suggesting potential benefits for cognitive function in humans. The findings support the use of the drug as a cognitive enhancer for age- or neurodegenerative-related memory dysfunction.
A new study published in Neurology, a journal of the American Academy of Neurology, found that higher education levels do not slow down the rate of memory loss. Despite initial improvements in memory and thinking skills with more education, these advantages did not translate to slower decline over time.
Researchers found that rapid-fire inputs initiate a cellular memory process in single cells lasting as long as a minute, holding moment-to-moment information. The study has implications for addiction, attention disorders and stress-related memory loss.
Researchers have decoded the language of memory cells that protect against re-infection, a breakthrough in understanding immunological memory development. The study reveals distinct program generates memory cells for vaccine effectiveness and cancer research applications.
A study published in Cortex found that reducing attentional resources enhances memory accuracy in confabulating patients. By dividing their attention between tasks, these patients showed significantly reduced false-memory levels.
Research by University of Chicago psychologist Sian L. Beilock reveals that math anxiety can be debilitating due to the consumption of working memory resources by worries and stereotypes. Individuals with higher working memory capacity are more prone to 'choke under pressure' when stressed.
Researchers at Rice University have developed a graphene-based memory device that can store large amounts of data in a two-dimensional array. This technology increases storage capacity by a factor of five and consumes virtually no power.
Carbon nanotubes are used to create a non-volatile memory cell with high speed and low power consumption. The new technology combines the benefits of dynamic and flash memories, overcoming fundamental limits of current memory technologies.
Dr. Mauro Costa-Mattioli has discovered a type of molecular switch in mice that determines whether a long-term memory is formed from an experience, improving spatial memory and synaptic connections. His research holds hope for developing new therapies for age-related memory loss and Alzheimer's Disease.
Researchers found two patients with hippocampal damage showed strikingly different patterns of memory performance, one with no deficit and the other impaired. The study suggests that subtle differences in brain pathology may be critical to understanding memory outcomes.
A study by Duke University Medical Center reveals that strong emotions and scents create lasting memories even when we're asleep. The researchers found that noradrenaline and odor cues are essential for memory formation, leading to changes in behavior upon waking.
A study of 500 people aged 50-85 found a link between occasional memory lapses and smaller hippocampus volumes. Researchers discovered that these subjective memory complaints were associated with reduced brain volumes, potentially indicating early signs of cognitive decline.
A study found that amnesics remember grammar but not the meaning of new sentences, indicating separate components for language function. The researchers suggest syntactic knowledge is a specialized skill akin to riding a bike, shaped by basic memory mechanisms.
A University of Haifa research team has identified a protein, PSD-95, crucial for stabilizing long-term memories. The study found that inducing PSD-95 production during memory creation is necessary for memory retention, while its absence does not affect existing memories.
Researchers have discovered that the blood-boosting effects of erythropoietin are not related to its impact on cognition. Instead, EPO directly influences neurons in the brain, improving memory and cognitive function. The findings may lead to new treatments for neurodegenerative diseases.
A new study published in Neuron reveals that the perirhinal cortex can contribute to forming memories by creating simple associations between items. This finding expands our understanding of how brain areas involved in memory formation are organized, potentially leading to new insights into memory disorders such as Alzheimer's disease.
Researchers have shown that our visual working memory can be shared out across the whole image, with more memory allocated for objects of interest and less for background detail. This means that we don't just remember every detail, but focus on the broad gist and specific details.
Researchers discovered that the hippocampus and entorhinal cortex are not essential for path integration, a key aspect of spatial cognition. The study used memory-impaired patients to test this theory, finding they performed similarly to controls when tracking their start location within short-term memory.
Research suggests that alliteration improves memory for both content and thematic aspects of literature. Participants who read works with similar alliterative sounds performed better in memory recall than those who read without or with different sounds.
Researchers from the American Heart Association report a link between low levels of high-density lipoproteins (HDL) and increased risk of memory loss and dementia. Studies found that participants with low HDL cholesterol showed a higher risk of memory decline compared to those with high HDL, particularly in late midlife.
Researchers have discovered a complex process in the brain that regulates synaptic connections during learning and memory, involving a specific presynaptic protein regulated by postsynaptic calcium. This understanding may lead to interventions for human brain disorders and age-related memory loss.
A study by researchers at the University of Illinois Chicago found that women experience underreported hot flashes and these symptoms are linked to poor verbal memory. Objective measurement of hot flashes reveals a strong relationship between the number of hot flashes and memory performance.
Nautilus pompilus demonstrated short-term memory lasting up to an hour before fading away, but remembering it again after 6 hours. The living fossil's memory was comparable to that of modern cephalopods, challenging the assumption that complex brains are necessary for memory.
A recent Harvard study found that individuals with an active social life may experience a slower rate of memory decline compared to those with lower levels of social integration. The study, which analyzed data from over 1,000 US adults aged 50 and older, suggests that strong social networks can help preserve memory function.
Researchers from the University of Bristol have identified a key molecular mechanism controlling synaptic plasticity, which is vital for visual recognition memory and learning. Blocking this mechanism prevents visual recognition memory in rats, demonstrating its importance in brain function.
University of Missouri researchers discovered that the human brain has a fixed capacity for holding information in working memory, with an average capacity of 3-4 items. This finding has significant implications for understanding attention-deficit disorders and improving learning outcomes.
A new study reveals that protein-destroying machines in nerve cells play a crucial role in how memories are formed. The researchers found that blocking activity in these machines could potentially strengthen synapses and improve memory, offering new hope for treating Alzheimer's and other brain diseases.
A recent study published in PLOS Pathogens found that T cell proliferation is delayed by up to three days after infection, which may provide an evolutionary safeguard against autoimmune responses. This delay allows the immune system's front-line innate response to quickly control the infection before memory cell division takes place in...
Dr. Joe Z. Tsien's research identifies critical memory genes and manipulates them to enhance or impair memory in mice, shedding light on the molecular basis of learning and memory. His work also explores the role of teamwork and neural activity in intelligence, with potential applications for treating diseases like Alzheimer's.
A double-blind study found Pycnogenol improved both numerical and spatial working memory in senior citizens. The antioxidant extract reduced oxidative stress markers, indicating a potential role in preserving or enhancing mental functions.
Researchers found that people with schizophrenia use different areas of their brain than healthy individuals for working memory. While healthy subjects relied on a specialized network, schizophrenic patients used a wider network to achieve the same goal.
A new tool assesses working memory capacity in classrooms, helping teachers identify and address the issue early on. The tool's development aims to improve learning outcomes for children with poor working memory.
A new technique allows researchers to identify the specific neural connections and molecular tags that sustain a particular fear memory in mice. The study reveals how proteins called AMPA receptors strengthen memories by becoming part of the synapses encoding them.
A new five-year study aims to identify modifiable beliefs and behaviors that boost memory performance in middle-aged and older adults. By assessing psychological and physiological pathways, researchers hope to develop effective interventions to reduce distress, impairment, and dependence.
A 90-minute daytime nap significantly speeds up memory consolidation, with participants showing improved performance in tasks requiring motor skills. This discovery may enable the development of methods to accelerate memory consolidation and create stable memories.
Researchers found that young chimpanzees possess an extraordinary working memory capability for numerical recollection, surpassing that of human adults. This surprising ability is reminiscent of 'eidetic imagery,' a special skill present in some normal human children.
Researchers found that individuals with severe autobiographical episodic memory loss can still understand others' emotions and intentions. This preserved ability may be linked to semantic memory, which was left intact after the injury.
Researchers found that brain's memory consolidation process occurs at a rate of six or seven times faster than real-time experiences. This 'thought speed' allows the brain to replay memories in 8-10 minutes instead of an hour, revealing the biological trick behind this phenomenon.
Duke University neuroscientists discovered that the brain region processing global gist of an event is more active in individuals with false memories. This finding could lead to tools for early Alzheimer's disease diagnosis and a better understanding of memory changes during aging.
A new study from the University of California, Irvine, has found that neural stem cells can enhance memory in mice with brain injuries. The treatment promotes neuronal connections and protects existing cells, suggesting hope for a potential drug to restore memory in patients with neuronal loss.
A study published in Neurology found that people with more years of education lose their memory at a faster rate before a dementia diagnosis. The researchers discovered that higher levels of education delay the onset of dementia but accelerate memory decline once it begins.
A study by Albert Einstein College of Medicine found that people with higher education levels lose their memory faster after a dementia diagnosis. The accelerated decline in memory was observed to be 4 percent faster for each additional year of education.
Researchers at UCI discovered how to reverse learning and memory problems in fragile X syndrome by adding brain-derived neurotrophic factor proteins. This discovery provides scientific foundation for possible therapies that allow increased learning and memory in individuals with the condition.
Researchers found that people with high blood pressure require more coordinated brain blood flow to perform memory tasks, even after treatment. This increased coordination was observed in the four areas of the brain involved in memory: thalamus, posterior parietal, prefrontal area, and hippocampus.
Researchers at the University of Pennsylvania have created a new form of computer memory using nanowires that can store data for 100,000 years and retrieve it up to 1,000 times faster than current technology. The device uses less power and space than existing memory technologies.
A new study found that high stress levels contribute to memory loss among individuals at risk for developing Alzheimer's disease. Those with the APOE-å4 gene variant and high cortisol levels showed significant memory impairment, suggesting a link between chronic stress and cognitive decline.