Articles tagged with Memory
Researchers develop CRISPR-based tools to epigenetically silence or boost memory gene Arc, demonstrating its direct impact on memory expression and storage. This breakthrough offers new avenues for exploring memory processing disorders in humans.
A new $2.9 million grant refines the LifeBio Memory app to enhance reminiscence therapy for dementia care, expanding to multiple languages and cultural contexts. The research aims to improve quality of life and relationships for both older adults and caregivers, using storytelling technology to reduce loneliness and depression.
Researchers at Virginia Tech found that adjusting molecular processes can improve memory in older subjects. They used CRISPR-dCas13 and CRISPR-dCas9 to target age-related changes in K63 polyubiquitination and IGF2, two genes linked to memory formation.
The team aims to build an anonymized database representative of the whole population by collecting two vivid memories from participants. The findings will inform new ways to help people remember in more detail and understand human memories across the lifespan.
A new study published in JNeurosci used fMRI to investigate how the brain acquires semantic information. The results suggest that the quality of activity in distinct brain regions can predict whether people successfully acquire knowledge about places and characters in fictional civilizations.
A new MIT study found that a theta-frequency brain wave scans the mental image and a region of the cortex maps visual information. The researchers observed that performance depends on the phase of this wave when the changed square appears, and the vertical location on the screen of that target square.
A new study found that storytelling strategies with conceptual or perceptual details activate distinct brain networks, predicting how well participants recall core elements of the story. This suggests that people's preferred memory systems may vary across age groups, and tailored information could improve memory for older adults.
Researchers have discovered that deep sleep plays a crucial role in controlling cerebrospinal fluid dynamics, which is essential for clearing waste from the brain. During slow-wave sleep, changes in cerebrospinal fluid signals are time-locked to slow brain waves and other neural events.
A new study reveals that astrocytes, a type of glial cell, are responsible for stabilizing memories through repeated engagement. The researchers found that Fos activity in astrocytes only occurs during recall, and that these cells can be activated to produce stable memories.
Researchers found that Rab4 boosts neural connection strengthening while Rab10 decreases it, directing supplies to the surface of growing connections. This discovery may lead to new strategies for protecting memory in neurodegenerative conditions like Alzheimer's disease.
A study published in The Lancet Healthy Longevity found that quitting smoking, even in the 50s or older, significantly reduces cognitive decline. Cognitive scores of quitters declined 20% less for memory and 50% less for verbal fluency over six years after cessation.
Terrence Sejnowski, a renowned neuroscientist at Salk Institute, has been awarded the 2025 NIH Director's Pioneer Award to develop advanced computational techniques for analyzing working memory. His research aims to better understand and treat memory disorders in mental health conditions.
This study found that aged rats living in socially enriched environments retained better memory and cognitive flexibility than those housed alone. Socially housed rats showed increased activity in the hippocampus and reduced overactivity in the anterior cingulate cortex, suggesting a more balanced and efficient neural response.
Researchers discovered that adults can better access their early memories after embodying a childlike version of their own face. Participants who viewed their childlike faces recalled significantly more episodic childhood memories than those who saw their adult faces.
Researchers found that instructions improve recall more than emotional associations, but sleeping doesn't significantly impact memory. They discovered that sleep spindles are linked to better recall of negative words, while slow wave sleep negatively correlates with total recall.
Researchers found that students from low-income households, specifically boys, were the most affected by class closures, highlighting growing educational inequality. Smaller class sizes and experienced teachers can reduce adverse effects on disadvantaged students.
Researchers found that older mice showed less stable spatial memory and difficulty navigating between familiar and unfamiliar environments. In contrast, younger mice developed distinct firing patterns for each track, allowing them to remember hidden reward locations on alternating tracks with ease.
Researchers found that sentences with unique meanings are more likely to be remembered accurately due to their distinctiveness in the brain's memory space. Sentences with similar meanings can become densely packed, making it harder to recognize them confidently later on.
Florida Atlantic University has joined the Neuroarts Academic Network, a global initiative exploring how creative expression can improve brain health and transform care. The partnership aims to harness the power of aesthetic experiences to enhance brain function and support emotional well-being.
Researchers have found that tiny worms can help understand how memories fade, with dopamine playing a major role. Without dopamine, the worms held onto memories longer than usual, revealing that forgetting is a finely tuned process essential for staying focused and flexible.
Researchers found that recalling positive autobiographical memories before a performance enhances valence and arousal, leading to improved performance. This is attributed to increased sympathetic nervous system activity, which regulates involuntary bodily functions.
A growing number of U.S. adults are reporting serious challenges with memory, concentration, and decision-making, especially among younger adults, according to the study. Researchers found that rates of cognitive disability rose from 5.3% in 2013 to 7.4% in 2023, with the largest increase among adults under 40.
Researchers have created a magnetic transistor that can enable smaller, faster, and more energy-efficient circuits. The device uses chromium sulfur bromide as a magnetic semiconductor, allowing for efficient control of electricity flow.
Two researchers, Dr Anggi Hapsari and Dr Oliver Barnstedt, have been awarded ERC Starting Grants for their projects on the impact of sea level rise on coastal ecosystems and the neural mechanisms of memory formation in the mammillary body. The grants will fund five-year research projects exploring these topics.
Researchers developed a new tool to measure language learning strategies of Japanese university STEM students. The Strategy Inventory for Language Learning-STEM (SILL-JP/STEM) assesses six categories of learning strategies, revealing insights into students' behaviors, including underutilized affective strategies.
A new study found that nearly three out of four adults suffer from dental fear, with 45.8% experiencing moderate fear and 26.8% severe fear. Most individuals interested in overcoming their fear are open to free, brief treatment options, such as virtual dental fear treatments using apps and telehealth.
Scientists Sharon Swanger and Shannon Farris study how mitochondria in vulnerable memory circuits become overloaded with calcium, contributing to early memory breakdowns. Their research aims to find early signs of stress or failure in the entorhinal cortex-hippocampus circuit.
Hyperthymesics possess extraordinary control over memories of life events, organizing them within a mental space for vivid recall. This ability allows for intense mental travel through time, with some individuals recalling details from different points of view.
Researchers found that paradise fish use a unique strategy called 'alternation' to investigate new areas, engaging working memory and previously thought to be characteristic mainly of mammals. Zebrafish and paradise fish provide complementary opportunities to study brain function.
A new study suggests that high-energy, less acoustic songs evoke memories of amusement and excitement, while lower-energy, more acoustic songs evoke memories of calmness, romance, and sadness. The researchers found that specific auditory features of music can predict certain qualities of autobiographical memories.
Aging is harsh on the hippocampus, a region responsible for learning and memory. Researchers at UCSF identified protein FTL1, which slows cognitive decline in mice by increasing metabolism. Treating with a compound that stimulates metabolism prevents these effects. The study offers hope for therapies to block FTL1's impact.
Researchers discovered that aging brains experience a leaky blood-brain barrier due to decreased levels of N-cadherin and occludin. This results in cognitive decline, starting as early as middle age. The study suggests a larger therapeutic window for treatment of age-related cognitive decline.
Research suggests that sleeping on a difficult task can improve performance by strengthening and consolidating memories in the brain. A new study found that rhythmic brain activity during sleep in areas active during training correlates with improved task performance after waking.
A new study suggests that both defendants and complainants are equally susceptible to memory errors in sexual assault cases. The research found strong misinformation effects, with individuals in both roles equally likely to misremember details of the events leading up to the sexual encounter.
UCSF scientists identified a receptor that enables microglia to engulf and digest amyloid beta plaques, leading to fewer and smaller clumps. This discovery creates an opportunity for new therapies targeting the receptor ADGRG1.
Researchers found that map-making brain cells in the hippocampus are activated differently even when navigating a static environment, shedding light on how the brain processes spatial memories. The study's findings could have profound implications for understanding memory, learning, and aging.
A groundbreaking brain imaging study confirms intranasal insulin safely reaches key memory regions in older adults with Alzheimer's. The research reveals differences in uptake among individuals with early cognitive decline, paving the way for personalized treatment approaches.
A UNIGE team has shown that memories are more strongly triggered by the deeper meaning of a situation than its surface-level cues. This finding highlights the importance of structuring knowledge transfer in schools, where students often struggle to connect different examples of an unfamiliar concept.
A new study by Waseda University researchers suggests that learners need to automatize word meanings in context to achieve fluent speech. By assessing automatized vocabulary knowledge (AVK) and declarative vocabulary knowledge (DVK), the team found AVK to be a stronger predictor of L2 speaking fluency.
A study published in Science Advances found that higher childhood lead levels are significantly associated with a faster rate of forgetting, even at low median blood lead levels. Additionally, older children and those with higher maternal IQs showed better memory retention.
A new study by the University of Cambridge found that seaside and blue-colored places are more likely to evoke feelings of nostalgia in people. The research suggests that these environments have visual properties that contribute to positive emotions, including 'fractal property' and high contrast.
Researchers identified four distinct pathways leading to Alzheimer's disease, revealing how conditions progress step-by-step toward the condition. The study validated findings in a nationally diverse population, suggesting that understanding these pathways could fundamentally change how clinicians approach early detection and prevention.
Research from Kyoto University found that continuing to play a musical instrument into old age preserves brain function and prevents atrophy in the putamen. Long-term practice showed no decline in verbal working memory performance or gray matter volume, while short-term practice improved memory function for four months.
Researchers found that music's emotional impact influences memory recall, with stronger emotional responses associated with better retention of event gist and details. Individual differences in emotional responses to music affect which memories are improved.
Researchers at the University of Michigan propose a new theory that non-REM sleep strengthens memories, while REM prunes overlapping ones. This sequence helps reinforce relevant memories and keeps unrelated ones distinct.
A new bedtime recall exercise significantly improved memory performance in individuals with Alzheimer's Disease and healthy older adults. The study suggests that this cost-free intervention could be an easily adopted approach to enhancing memory function.
A 16-year study of over 10,000 individuals aged 50+ found that those with higher wellbeing were more likely to have better scores on memory tests. The association was independent of depressive symptoms and suggested that psychological factors affect brain health.
New research found that toddlers who tend to look closely at and compare paired images during a memory task are more aware of the accuracy of their own memories a year later. This finding connects early information-seeking behaviors with developing memory-introspection skills.
Researchers discovered that stress activates neurons in the paraventricular nucleus of the hypothalamus, leading to impaired sleep and memory. Inhibiting these neurons reduced stress-related memory issues while slightly improving sleep.
Researchers found that inhibitory neurons called parvalbumin interneurons reduce activity before a learned reward zone is reached, clearing the way for excitatory neurons to strengthen their bonds and reinforce learning. This finding challenges traditional ideas about neural activity and learning.
MIT researchers developed a new hypothesis for how astrocytes contribute to memory storage, proposing that they encode memories through gradual changes in calcium flow patterns. This information is conveyed to neurons via gliotransmitters released at synapses connected to astrocyte processes.
This review highlights the promise of traditional South Asian medicinal plants in addressing memory loss and cognitive decline, particularly in Alzheimer's disease. The identified plants not only reflect cultural wisdom but are increasingly supported by modern scientific evidence.
A comprehensive analysis reveals how brains generalize learning from previous experiences to new scenarios, mapping neural pathways from hippocampus to cortex. The study's findings highlight the critical role of the hippocampus and prefrontal cortex in cognitive generalization.
Researchers mapped dynamic cellular mechanisms of memory formation, storage and update, revealing new insights into encoding experiences in the brain. Memories are stored through biophysical changes in neuronal ensembles, which can be manipulated to induce recall.
Researchers discovered that oscillatory activity in two brain regions plays a crucial role in integrating auditory and visual information during memory recall. The study used movie clips with synchronized or asynchronous speech sounds and lip movements to explore this phenomenon.
A KAIST research team has identified a key neural pathway involved in forming fear memories triggered by psychological threats. The pIC-PBN circuit processes psychological distress and drives fear memory formation, offering a significant advance in understanding how psychological distress is processed.
Researchers at UC San Francisco have identified potential protein markers for frontotemporal dementia (FTD), a form of dementia affecting middle age. The study found changes in RNA regulation and brain connections that could lead to early diagnosis and targeted treatments.
Researchers have identified the medial prefrontal cortex (mPFC) as the basis of emotional inference in animals and humans. In a study published in Nature, Xiaowei Gu and Joshua Johansen found that rats can learn inferred emotions by associating a neutral stimulus with an unpleasant experience.
Preliminary research suggests that long working hours can induce neuroadaptive changes in the brain, particularly in areas associated with emotional regulation and executive function. The study found increased brain volumes in regions such as the middle frontal gyrus, which is involved in attention and problem-solving.
Researchers at the Center for Genomic Regulation discovered a nine-letter microexon in DAAM1 exclusively in neurons that is critical for neuronal development and memory. Deleting this microexon in mice resulted in reduced learning spines and impaired memory function, with animals remembering roughly 40% less in standard memory tasks.