Articles tagged with Associative Memory
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Research reveals that Sulf1 is essential for both reward-dependent and aversion learning, highlighting its critical role in adult brain function. The enzyme acts through distinct dopamine D1 and D2 receptor pathways, underscoring its importance in neural circuits involved in learning.
Researchers discovered that calcium alpha-ketoglutarate restores key memory-related brain functions disrupted in Alzheimer's disease. The molecule enhances synaptic plasticity, protects neurons from degenerative changes, and supports healthier cognitive ageing.
Researchers found individuals with stronger cue sensitivity tend to have harder time updating beliefs, leading to persistent poor decision-making. This association can lead to biased avoidance or favoritism of cues in people with compulsive disorders, addictions, or anxiety.
A study from the University of East Anglia explores how our brains remember past events and how those memories can change over time. Memories are made up of different parts and can become less accurate or include new information as they are retrieved.
A Boston University study suggests that attaching mundane memories to significant emotional events can enhance recall. The research found that the brain uses a sliding scale to decide which memories to preserve, prioritizing those with high-level similarity to emotional events.
A study found that memories acquired while awake are stored in a more permanent form during REM sleep, requiring the reactivation of only three adult-born neurons involved in memory formation. This process is synchronized with theta rhythm activity and essential for proper memory 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.
Researchers found that positive emotions during learning increase brain activity, which predicts better memory performance. Positive emotions, not neutral or negative ones, play a crucial role in enhancing memory strength.
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 found that SIRT2, a previously unknown enzyme, plays a key role in excessive GABA production associated with Alzheimer's disease. This process leads to brain inflammation and memory impairment. By targeting SIRT2, scientists can selectively block its harmful effects on memory without affecting other brain functions.
Researchers isolated precise location of memory overlap in cells using advanced imaging techniques in mice, showing that memories are stored in dendritic compartments. Linked memories consistently engaged the same groups of neurons and their dendritic branches.
A cohort study found that healthier diets and lower waist-to-hip ratios were associated with improved brain connectivity and memory in older adults. The study suggests that interventions targeting diet and central obesity may be most effective between ages 48 and 70 to promote better cognitive health.
A study of nearly 900 postmenopausal women found an association between perimenopausal symptom burden and later cognitive function and behavioral impairment. Women with higher menopausal symptom burdens were more likely to experience poorer cognitive function and mild behavioral impairments, both markers of dementia.
A new drug developed by the Centre for Addiction and Mental Health (CAMH) has shown significant promise in reversing memory loss in a mouse model of Alzheimer's disease. The drug, GL-II-73, selectively targets GABA receptors to restore brain function and repair damaged neural connections.
Researchers used fMRI data to uncover how the hippocampus coordinates memory processes by analyzing neural activity patterns. The study found that participants remembered scenes with lower novelty more accurately and that the hippocampus integrates diverse forms of novel information.
A new computational model reveals how place cells in the hippocampus can store episodic memories, including those of events without a spatial component. The model proposes that grid cells form a scaffold that anchors memories and drives recall by connecting to sensory cortex.
A study of over 4,000 participants found that those with both conditions showed faster memory impairment. The researchers suggest that the combination of joint pain and depressive symptoms can lead to an 'overlap' of information in the brain, causing cognitive decline.
Researchers found that cognitive performance worsened for older adults on days they felt lonelier than usual and the following day. The study suggests a vicious cycle between loneliness and cognitive decline over the short term, highlighting the importance of early intervention to prevent chronic loneliness.
A study published in Nature reveals that astrocytes, star-shaped brain cells, play a crucial role in storing and retrieving memories. Researchers found that these non-neuronal cell types work closely with groups of neurons called engrams to regulate the formation and recall of memories.
A new study from UT Arlington found that setting reminders can significantly reduce age-related declines in memory, particularly in prospective memory. The study suggests that reminders help counteract cognitive strain by making memory retrieval less reliant on internal processes.
A study by Northwestern University found that cross-talk between the hippocampus and cortex can predict chronic pain, with higher anxiety levels increasing precision. The researchers suggest targeting anxiety after injury to prevent chronic pain, paving the way for novel treatments.
Researchers found that emotion enhances ability to retrieve contextual details, contrary to prevailing view that emotion impairs memory. The study's findings have practical implications for controlling and capitalizing on emotions to remember better.
Newly developed tools enable selective labeling and manipulation of synapses, advancing understanding of learning, memory, and neurological disorders. The review highlights promising molecular actuators and optogenetic approaches to unravel synaptic function mysteries.
α-Synuclein pathology in asymptomatic stages is linked to NBM atrophy, leading to attention/executive impairment. MRI signatures can detect this pathology in memory clinic populations.
A six-year longitudinal study found that loneliness has a significant impact on memory, even when social isolation is not present. The research suggests that community programs are needed for older adults who are both socially isolated and lonely, as they face the highest risk of memory impairment.
Researchers found participants with elevated tau tangles in the brain exhibited greater complaints about memory and thinking skills. Higher levels of amyloid plaques were also associated with increased tau tangles, suggesting potential for early detection and treatment.
Researchers from Mass General Brigham found that reports of cognitive decline were associated with the accumulation of tau, a hallmark of Alzheimer's disease. The study used imaging to detect levels of tau and amyloid beta in participants who were cognitively unimpaired but at risk for Alzheimer's.
Researchers investigate how early-stage Alzheimer's disease affects memory formation by examining synaptic connections and amyloid beta. The study aims to understand the role of NMDA receptors in synaptic plasticity and how they might be hijacked by amyloid beta, leading to memory dysfunction.
A blended antioxidant supplement improved spatial learning ability and short-term memory in supplement-treated aged mice. The discovery suggests that the supplements may also prevent age-related cognitive decline in humans and mitigate muscle frailty.
Researchers at the University of California San Diego developed superconducting loops that can demonstrate associative memory, allowing computers to remember relationships between unrelated items. The technology has significant power savings, with a million times less energy requirement than traditional computing architecture.
A new study published in JAMA Dermatology reveals that children with atopic dermatitis are more likely to experience difficulties in learning and memory. The research suggests that neurodevelopmental comorbidities such as ADHD or learning disabilities may play a key role in this association.
Scientists have gained new insights into spatial memory by discovering that different types of nerve cells become active together and are coordinated by brain waves. This discovery sheds light on the neural basis of human memory and may lead to the development of new therapies for memory impairments.
A recent study published in JAMA Network Open found that familiar scents can strengthen memory recall in depressed individuals, potentially aiding recovery. Researchers discovered that odors engage the amygdala, a key component of memory formation, more effectively than words.
Researchers found that traumatic memories immediately following a distressing event are more memorable than the moments leading up to it. This discovery has implications for eyewitness testimonies, therapies for PTSD, and understanding memory decline in brain disorders like Alzheimer's disease.
Researchers examine the dynamic nature of fear responses in varied environments, shedding light on physical manifestation of memory in the brain. The study reveals that fear memories are linked to pathological states like PTSD and generalized anxiety, with direct translational relevance for disorders involving dysregulated fear responses.
A recent study of over 7,900 participants found that pet ownership was associated with slower rates of verbal memory and fluency decline among older adults living alone. This suggests that pet ownership may offset the negative effects of social isolation on cognitive health.
A recent study published in NeuroImage found that physically active individuals experienced less decline in entorhinal cortex thickness over a seven-year period. Cognitive reserve is also boosted through regular mental stimulation, suggesting that brains can be trained like muscles to counteract age-related decline.
A recent Cornell University study found that wasps which can recognize individual faces tend to have better social interactions and exhibit stronger cognitive abilities than those who cannot recognize individuals. This suggests an evolutionary link between facial recognition and cooperation.
A study published in PLOS ONE found that older adults with a fear of falling tend to be less physically active. The research tracked the physical activity and sedentary behavior of 90-year-olds, revealing an average daily step count of around 3,000.
Researchers found high levels of a repair protein in the brains of former NFL athletes up to 12 years after they stopped playing, indicating persistent brain inflammation and long-term cognitive problems. The study suggests that repeated collision sports like football may have a direct link to long-term inflammation in the brain.
A study by the University of Ottawa found that various long-term memory types, such as semantic and episodic memory, rely on the same brain network to varying degrees. The research used neuroimaging techniques to compare brain activity across different memory conditions.
Researchers found that learning occurs through continuous formation of new connections between specific engram cells in different regions of the brain. This process allows us to form and store memories, with changes in synaptic wiring connectivity between these cells being a key mechanism for memory storage.
A recent study of 7,000 older US residents found that food insecurity was associated with a higher risk of dementia, as well as poorer memory function and accelerated memory decline. The researchers suggest that addressing food insecurity may have benefits for brain health.
Researchers tested EMDR, a therapy proven to treat PTSD and depression, to reduce addiction cravings. The study found Addiction-focused EMDR was as effective as cognitive behavioral therapy for cravings, reducing symptoms by clinically significant amounts.
A new study found that prenatal and childhood exposure to manganese may be beneficial for verbal learning and memory in adolescence. Manganese levels were linked with fewer errors in adolescents, particularly males.
A Cornell University-led study has separated the role of the hippocampus in two functions of memory, which are crucial for associating time, place, and past experiences with future actions. The breakthrough has significant implications for treating memory and learning issues found in Alzheimer's disease and dementia.
Researchers have discovered that traumatic memories create new neural networks and associations between distinct networks, enabling fear-based learning and recall. The study used optical and machine-learning approaches to visualize the dynamics of brain activity during memory formation.
Researchers found that electrical signals in the hippocampus differ immediately before recalling true and false memories. The study used epilepsy patients to measure neural activity leading up to correct or false recall, revealing a reduction in low-frequency activity associated with contextual similarity.
Researchers discovered protein p53's role in regulating sociability, repetitive behavior, and hippocampus-related learning and memory in mice. Lowering p53 levels led to changes in gene expressions related to behavior, while elevated p53 levels were linked to positive learning outcomes.
A new study published in PLOS ONE found that exposure to night shift work and rotating shift work is associated with higher rates of cognitive impairment among middle-aged and older adults. Cognitive function tests revealed impairment in memory and executive function, suggesting a potential link between shift work and neurodegeneration.
Researchers at Brigham and Women's Hospital linked MS brain lesions to memory problems by mapping white matter lesion locations in people with MS. The study found that lesions intersecting with a previously derived memory circuit centered on the hippocampus were associated with memory issues.
Researchers found that natural forgetting can be reversed in certain circumstances, with memories stored in engram cells still intact but inaccessible. Competition between engrams affects recall, and forgotten memory traces can be reactivated by cues or updated with new information.
A study published in JAMA Network Open found a significant association between food insecurity and accelerated memory decline in middle to older-age individuals. The researchers suggest that exposure to food insecurity in older age may have long-term negative effects on cognitive function.
Researchers at the Institute for Basic Science have identified specific neurons in the hippocampus that allow us to recognize individual social counterparts and update their value through interactions. The dorsal CA1 region plays a crucial role in this process, enabling long-term memories of individuals to be formed.
A recent study of 30,465 adults without a history of heart attack or dementia found that those who experienced an MI had a faster rate of decline in global cognition, memory, and executive function compared to those without an MI. The study suggests that preventing heart attacks may be crucial for maintaining long-term brain health.
A study by Florida Atlantic University and CINVESTAV found that long-term running maintains the connectivity of adult-born hippocampal neurons, which contribute to memory function during aging. Exercise may prevent or delay age-related memory decline by increasing the survival and modifying the network of these neurons.
Researchers found that psilocybin facilitates fear extinction in mice by promoting hippocampal neuroplasticity. The study's results improve our understanding of the restorative effects of psilocybin on the brain and may lead to alternative treatments for PTSD.
A study of 436 cognitively normal older adults found that unawareness, rather than awareness, of memory decline was strongly associated with future clinical progression. The research suggests that discordant self- and informant-reported cognitive decline may provide important information to practitioners.
Researchers discovered a mechanism that helps explain the link between reduced levels of protein PKMzeta and neurological disorders. The study used epigenetics to show that hypermethylation of the gene regulates its expression.
Researchers from Dartmouth and University Medicine Essen found that strong links between brain measures and traits can be obtained when machine learning algorithms are utilized. This approach allows for high-powered results from moderate sample sizes, opening up studies of many traits and clinical conditions previously inaccessible.