Articles tagged with Memory
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.
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.
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.
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 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.
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.
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.
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.
A new review reveals obstructive sleep apnea (OSA) affects memory and brain function, with OSA patients experiencing notable impairments in visual and verbal working memory. Disease severity and duration are strongly linked to poorer memory performance.
Research by MIT neuroscientists reveals that the brain separates its processing of spatial information to maintain cognitive advantage, yet seamlessly blends it with other features. The study also explores how the brain 'hands off' visual information between hemispheres.
Research from the University of Oklahoma suggests that women with adequate iron levels in their blood perform better on cognitive tasks during menopause. Having enough iron does not necessarily mean accumulating more iron in the brain, which is a risk factor for neurodegenerative diseases like Alzheimer's.
Researchers at WashU Medicine have found that rejuvenating the network of vessels outside the brain can improve memory in old mice. The study lays the groundwork for developing therapies to overcome the challenges faced by conventional medications, which struggle to reach the brain due to the blood-brain barrier.
Researchers at Scripps Research uncovered structural hallmarks of long-term memory called an engram, which expands connectivity through specialized axonal terminals and alters synaptic architecture. This discovery could lead to new treatments for memory disorders.
Scientists at the University of Rochester have discovered a way to create artificial atoms within twisted monolayers of molybdenum diselenide, retaining information when activated by light. This breakthrough could lead to new types of quantum devices, such as memory or nodes in a quantum network.
A new study of over 1,500 individuals in the US and Europe found that those prone to nostalgia have more close friends and work harder to maintain their relationships. Nostalgia is associated with a greater number of strong social ties and better overall health and wellbeing.
Researchers at ETH Zurich discovered that pupil dynamics is related to specific patterns of brain activity and arousal levels, contradicting previous assumptions about low arousal during sleep. The study uses pupil measurements to monitor brain activity in humans for the first time.
Research team develops novel method to exploit frictionless sliding for improved memory performance and energy efficiency. The new technology enables unprecedentedly efficient data read/write operations while consuming significantly less energy.
Researchers discovered that non-REM sleep is crucial for strengthening emotionally linked perceptual memories, contrary to previous beliefs about REM sleep. The study found that the amygdala and cortical top-down circuitry play a key role in this process.
A new Tulane University study suggests that the Mediterranean diet's brain-boosting benefits may work by changing the balance of bacteria in the gut. Researchers found that subjects following a Mediterranean diet developed distinctly different gut bacteria patterns compared to those eating a typical Western diet.
Dr. Munir Gunes Kutlu's groundbreaking research reveals specific neural mechanisms that transform sensory inputs into behavioral outputs. The discovery sheds light on the brain's dopamine system, particularly in processing information about environmental cues and rewards.
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...
Knowing family health history is crucial for reducing heart attack and stroke risk. Experts recommend following Life's Essential 8 - five health behaviors and three health factors to lower genetic risks.
Researchers at SickKids have discovered that stress changes how our brain encodes and retrieves aversive memories, leading to generalized fearful responses. A promising intervention has been identified to limit this effect and potentially reduce the harm caused by PTSD.
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.
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.
A new study found that middle-aged people who engage in everyday physical activity show improvements in cognitive processing speed, which can counteract the natural decline in cognitive abilities with age. The study, led by Penn State researcher Jonathan Hakun, used ecological momentary assessment to track participants' daily activitie...
Researchers at the University of Kansas have developed atomically tunable memory resistors, dubbed 'memristors,' to enable brain-inspired advanced computing. The innovation enables precise atomic-scale tuning of oxide semiconductor memristors for high-speed and high-energy efficiency.
A cohort study found asthma to be associated with memory difficulties in children, which may impact executive function abilities. Earlier asthma onset is likely to exacerbate these effects.
Dr. Andero Galí's groundbreaking research connects mouse and human fear responses, using techniques like in vivo calcium imaging in mice and human fear response studies. His approach aims to create a more comprehensive understanding of the human brain by breaking down traditional barriers between animal and human studies.
A new study published in the journal Aging & Mental Health found that people with more positive expectations of aging tend to report less frequent cognitive problems and are less likely to perceive a decline in their cognitive performance over time. Researchers suggest that modifying older adults' aging expectations could support healt...
Researchers found that fear memories start as broad associative memories, but become more specific over time. Individuals with high anxiety may struggle with integrating episodic memories, leading to persistent fear linked to cues.
Researchers found that the hippocampal CA2 region helps mice distinguish between safe and threatening social interactions, with implications for understanding social anxiety and post-traumatic stress disorder. The study suggests targeting this brain region could aid in diagnosing or treating disorders linked to a fear of others.
Researchers explore the influence of digital resources on autobiographical memory, highlighting its potential benefits, such as supporting people with memory difficulties, and risks, like manipulation through deepfakes. The study aims to better understand the interplay between recorded data and memories stored in our minds.
A study published in the Journal of Experimental Psychology: General found that people are strongly biased by first impressions, but 'sleeping on it' can lead to more rational choices. Participants who didn't make a decision immediately were less likely to fall into these traps and made more rational decisions.
Aging brains struggle to clear out outdated information, leading to slower processing and more frequent forgetfulness. Beta-band neural oscillations play a crucial role in regulating working memory, with older adults showing a stronger link between these oscillations and their ability to delete irrelevant information.
Researchers found that students who struggle with executive functioning (EF) skills perceive generative AI chatbots as significantly more useful for schoolwork. Using these tools critically can support students with EF challenges, but responsible use is crucial to maintain academic integrity.
Researchers at Aarhus University have discovered the specific cell group in the brain that plays a central role in recognizing familiar and novel things. This discovery is significant as it may lead to the development of new treatment methods for disorders such as Alzheimer's, schizophrenia, and ADHD.
The brain stores multiple copies of a single memory in parallel among different groups of neurons emerging at different stages during embryonic development. These memory copies change with time, with early-born neurons storing long-term persistence and late-born neurons fading over time.
A team of researchers from Penn State has identified HDAC3 as a key contributor to age-related impairments in memory updating. When blocked, older mice performed similarly to their younger counterparts, suggesting potential therapeutic targets for improving cognitive flexibility in old age.
Viji Santhakumar, a UCR professor, has been awarded a $3.5 million NIH grant to study brain circuit function and its impact on memory formation and cognitive deficits in diseases like epilepsy and Alzheimer's disease.
Researchers found that motor memories are influenced by cognitive processes, not just physical actions. The study used football penalty shootouts and robotic handle movements to demonstrate the brain's differentiation of actions based on decision uncertainty.
Researchers have found that social memories lost due to sleep deprivation can be restored in mice using a drug used to treat asthma, while spatial memories can be reversed with a drug used to treat erectile dysfunction. These findings suggest potential for reversing human forgetfulness.
Researchers at Boston University developed an AI model that analyzes speech patterns to predict the likelihood of Alzheimer's disease in patients with mild cognitive impairment. The model achieved an accuracy rate of 78.5% and could potentially revolutionize dementia screening, making it more accessible and efficient.
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 found that exercise increased neuron growth in the hippocampus, rewiring neural circuits to help mice forget strong, traumatic memories. This approach may offer new treatments for PTSD and drug addiction.
A national US study found that nearly a quarter of children with symptoms of brain injuries or concussions were not checked for the condition. Younger children were more likely to be overlooked. Routine checks can help ensure these children receive necessary care and support their mental and social well-being.
Researchers found that highly skilled soccer players exhibit faster reaction times and lower variability when faced with decision-making tasks. The study suggests that strong inhibitory processes play a crucial role in facilitating quick decisions on the field.
Researchers discovered Lewy body disease changes in 9% of people over 50 without a clinical diagnosis, suggesting the disease may be more common than thought. Further studies are needed to confirm the results, but early detection is crucial for effective therapies.
A study published in Scientific Reports found that people who respond to estimations are more likely to be influenced by their previous answers, a phenomenon known as serial dependence. This could aid research into how information presentation affects human understanding.
Researchers found that spaced learning benefits item memory, but associative memory improves with stability. Variability in content across repetitions affects the timing of spacing effects.
The Federation of European Neuroscience Societies is open to media registration for its 2024 event. Journalists can access the latest research discoveries in neuroscience fields such as dementia, addiction and depression.
Scientists trained AI models on brain activity data from mice to detect hippocampal ripples, a biomarker of memory, epilepsy, and Alzheimer's disease. The model toolbox can be applied to non-human primate and human data with similar recording techniques.
A UCLA Health study suggests Kundalini yoga can improve cognitive function, memory and brain health for postmenopausal women. The study found that yoga prevented brain matter decline, reversed aging and inflammation-associated biomarkers – improvements not seen in a group who received standard memory training exercises.