Articles tagged with Memory Processes
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Researchers at University College London discovered that Alzheimer's disease disrupts the brain's 'memory replay' process, leading to impaired navigation and memory loss. The study found that even when mice were resting, their brains replayed recent experiences in an altered pattern, which had consequences on memory tasks.
Scientists found that blocking microglia prevents infant forgetting and improves memory in mice, suggesting a role for microglia in memory formation. Microglia inhibition also enhances engram cell activation, providing a functional explanation for enhanced memory recall.
A new study published in Communications Psychology found that verbal justifications supporting memories remain rich, detailed, and consistent even after a delay of 24 hours. The study suggests that memory justifications provide a temporally stable window into episodic memory, making them a reliable basis for evaluating memory credibility.
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.
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.
Researchers found that recalling memories is facilitated when breathing cues are presented during inhalation, with actual memory retrieval happening during exhalation. The study suggests that respiration acts as a natural pacemaker for memory processes, highlighting the close interaction between the brain and body.
Researchers identified a molecular mechanism linking early-life environments with memory by activating AP-1, which regulates genes involved in neuronal plasticity and learning. Early-life experiences produce long-lasting modulation of AP-1 activity, boosting gene networks that strengthen neuronal connections.
Researchers discover that super-recognisers don't just process more information, but instead focus on the most informative parts of a face to aid in recognition. This skill cannot be learned and is an automatic, dynamic way of picking up unique facial features.
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 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 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 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 study published in Alzheimer's & Dementia found that learning one's Alzheimer's risk can decrease negative emotions like depression and anxiety, but also leads to decreased motivation for maintaining healthy lifestyle changes. Researchers emphasize the importance of personalized disclosure processes to sustain healthy behaviors.
A new study found that staying active through moderate-to-vigorous physical activity is associated with significantly better processing speed, working memory, and executive function in older adults. Even small changes to daily activities can have big impacts on brain health.
Scientists demonstrate ultrafast plasmon-enhanced magnetic bit switching, enabling faster and more robust memory devices. The study uses plasmonic gold nanostructures to confine light and achieve magnetization switching with single femtosecond laser pulses.
A new study from the University of Kansas explores the role of working memory in word problem-solving for students with and without math difficulties. Researchers found that using interventions to improve working memory can benefit students who struggle with math, reducing cognitive load and improving word problem-solving ability.
A large-scale study published in JNeurosci reveals distinct brain activity patterns during lucid dreaming compared to rapid eye movement sleep and wakefulness. The findings suggest shifts in brain region activation and communication that may be linked to changes in perception, memory processing, self-awareness, and cognitive control.
A study on heterosexual women found that personal scent preferences predicted how much they liked their interaction partners after four-minute chats. The researchers discovered that the quality of the in-person interaction influenced how participants perceived someone's smell.
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.
A Baycrest study reveals that vivid visual imagery is associated with a higher risk of developing PTSD, while individuals with strong spatial imagery are less likely to develop the disorder. This research provides valuable insights into how trauma processing and memory contribute to PTSD.
Eventgoers use social media to capture special moments and construct narratives of their own lives, intersecting with communal narratives. This mediated memory work influences how they experience and remember live events, blurring the lines between the present and future.
Research published in JAMA Network Open found that college graduates experienced faster cognitive decline after a stroke compared to those with less education. The study highlights the importance of identifying patients at high risk for post-stroke cognitive decline to target future interventions.
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.
Researchers have identified distinct protein degradation patterns in key brain regions for individuals who witnessed trauma, differing from those who experienced it firsthand. Sex-specific differences also emerge, with implications for targeted treatments and a better understanding of PTSD development.
Researchers at UC Riverside will explore how antiferromagnetic spintronics can improve memory density and computing speed. The project aims to develop ultrafast spin-based technology using special antiferromagnets with potential applications in advanced memory and computing.
Zuchongzhi-3 achieves quantum supremacy by outperforming classical supercomputers by 15 orders of magnitude, demonstrating the strongest quantum computational advantage in a superconducting system to date. The processor features 105 qubits and 182 couplers, with a coherence time of 72 μs and simultaneous gate fidelities exceeding 99%.
Researchers at Lancaster University are developing high-performance memory devices using self-assembled molecular technology to overcome the von Neumann bottleneck in computing. The Memristive Organometallic Devices (MemOD) project aims to deliver faster, more stable, and energy-efficient AI hardware.
Researchers discovered distinct neuronal populations in the ACC process pain and itch information separately, with stimulus-specific neurons receiving differentiated synaptic inputs from the mediodorsal thalamus. Suppressing these neurons reduced corresponding sensations without affecting the other.
Researchers used fMRI to investigate how the brain processes ambiguous messages, finding that more complex tasks engage multiple brain regions. The study reveals that understanding others' thoughts and emotions contributes to successful performance, with greater flexibility in reasoning.
Researchers created a fiber computer that can be integrated into clothing to track health conditions and physical activity. The technology achieved an average accuracy of 70% when individually operated, but increased to nearly 95% when connected collectively.
Researchers found that a rare genetic syndrome causes different damage mechanisms in male and female brains, affecting neurogenesis and energy production. The study suggests that the ADNP protein plays a crucial role in brain development and aging, with distinct functions in males and females.
A new study found that babies show positive responses to the smell of foods they were exposed to in the womb after birth. Newborns whose mothers had taken carrot powder capsules reacted favourably to the smell of carrot, while those whose mothers had taken kale powder capsules reacted more positively to the scent of kale.
Researchers have developed a new spintronic device that allows for efficient switching of magnetic states, enabling the creation of lower-power AI chips. This breakthrough could revolutionize AI hardware with high efficiency and low energy costs.
Researchers demonstrate that quantum processes can be designed to comply with the second law, highlighting a harmonious coexistence between quantum mechanics and thermodynamics. Their findings open up new avenues for understanding thermodynamic boundaries of quantum technologies.
Researchers mapped the precise brain mechanisms that enable animals to overcome instinctive fears, revealing two key components in this learning process. The study found that a brain structure called the ventrolateral geniculate nucleus (vLGN) stores learning-induced memories and is triggered by the release of endocannabinoids.
Research reveals that even short-term exposure to high levels of particulate matter air pollution impairs cognitive functions such as selective attention and emotion recognition. This study highlights the urgent need for stricter air quality regulations and public health measures to combat the harmful effects of pollution on brain health.
Researchers at Arizona State University propose a unifying explanation for Alzheimer’s disease, focusing on the role of chronic stress granules in disrupting gene activity. The condition causes massive changes in gene expression, affecting every known neuropathology and clinical manifestation.
Researchers at Tel Aviv University have developed a method to transform graphite into novel materials with controlled atomic layers, enabling the creation of tiny electronic memory units. This process, known as 'Slidetronics,' allows for precise manipulation of material properties, opening doors to innovative applications in electronic...
Chalmers University researchers develop new ways to make cache memory work smarter, enabling faster data retrieval and improving computer performance. The innovation is part of the European Processor Initiative aimed at securing European independence in high-performance computing chips.
A University of Oklahoma researcher is exploring alternate strategies for identifying and targeting Alzheimer's and related diseases using a $2.2 million federal grant. The study aims to understand the mechanisms linking aging to cognitive decline, potentially leading to new treatments for dementia.
A recent study published in JAMA Network Open found that heavy cannabis users exhibited reduced brain activity during working memory tasks, associated with worse performance. Abstaining from cannabis before cognitive tasks may help improve performance.
The new model, based on a PV-RNN framework, achieves compositionality by combining language with vision, proprioception, working memory, and attention. It requires less computing power than large language models (LLMs) and makes mistakes similar to humans.
The KAIST team developed a next-generation neuromorphic semiconductor-based integrated system that can learn and correct errors on its own. This technology will revolutionize AI use in everyday devices, making them faster, more private and energy-efficient.
Research identifies IL-1R1-expressing neurons in key brain regions, including the somatosensory cortex and hippocampus, which regulate sensory processing, mood regulation, and memory. The study provides new insights into how inflammation contributes to sensory, mood, and memory disorders.
Researchers at the University of Utah and UCI have discovered a unique quantum behavior that allows for the manipulation of electron-spin and magnetization through electrical currents. This phenomenon, dubbed anomalous Hall torque, has potential applications in neuromorphic computing.
Dr. Blagosklonny's work introduced a new theory and promoted the use of rapamycin to slow aging and extend healthy life by targeting the mTOR pathway, leading to improved immune responses, heart protection, and potential cancer prevention.
The Nick Cobb Memorial Scholarship honors an exemplary graduate student in the field of lithography. Clay Klein, a PhD candidate at JILA and the University of Colorado, Boulder, will receive the $10,000 award for his research on EUV scatterometry and its applications.
The São Paulo School of Advanced Science on University, Memory and Reparation will address the connections between academic research and reparation processes. Internationally renowned researchers will participate in discussions on the role of universities in promoting the right to memory and social reparation.
A Mass General Brigham study found that taxi and ambulance drivers had lower rates of death from Alzheimer's disease compared to other professions, possibly due to real-time spatial and navigational processing. The study analyzed data from nearly 9 million people across various occupations.
A new study sheds light on how age-related changes affect financial skills, finding that verbal representations and language processing play a crucial role. Individuals with better language skills and higher household income are more likely to excel in financial tasks.
Researchers Fernanda Morales-Calva and Stephanie Leal explored the three Ws of memory - what, where, and when - to understand why people remember certain things. They found that emotional content, personal significance, repetition, and attention can influence memory retention. The study highlights the importance of considering individu...
A new study reveals that concussions impact aperiodic brain activity in high school football players, leading to slowed cognitive function and worse post-concussion symptoms. The research highlights the importance of protective measures in contact sports and may lead to new treatments for concussion recovery.
Researchers discovered that NMDA receptors set the baseline level for neural network activity, helping maintain stable brain function. The study's findings suggest potential innovative treatments for diseases linked to disrupted neural stability.
Research finds that adults outperform children in learning new motor skills, with older individuals improving faster and retaining skills longer. Better sleep appears to benefit children's learning and memory more, but other factors like sleep deprivation may also play a role.
University of Delaware professor Benjamin Jungfleisch receives a five-year $798,000 grant to develop low-energy computing using magnetic nanostructures. The project aims to improve AI processing power and reduce energy consumption.
Researchers discovered brain cells that map an animal's position in behavioural coordinates, helping understand how the brain generates complex behaviors. The findings may be useful in understanding psychiatric conditions such as schizophrenia.
Researchers at Seoul National University have developed ultra-low power neuromorphic hardware capable of performing AI computations with significant accuracy and efficiency. The technology relies on hybrid organic-inorganic materials and enables uniform ion movement across the surface, leading to high-performance neuromorphic devices.
A new training algorithm called ternarized gradient BNN (TGBNN) enables learning capabilities for binarized neural networks (BNNs) on IoT edge devices. The proposed MRAM-based CiM architecture achieves faster convergence and matching accuracy with regular BNNs.
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.