Articles tagged with Memory Recall
Researchers at MIT developed a system that allocates cache access on the fly to create tailored 'cache hierarchies' for specific programs, increasing processing speed by 20-30% and reducing energy consumption by 30-85%. The system, called Jenga, uses a sampling algorithm to efficiently evaluate tradeoffs between latency and space.
Researchers at the Institute for Basic Science used optogenetics to manipulate thalamic spindles in mice, affecting their ability to recall memories. The study found that artificial spindles administered at specific timing enhanced memory consolidation, while reduced spindles impaired recall.
New research finds that taking photos of experiences enhances visual memory, but hinders auditory memory. Participants who took photos recalled more visual details than those who didn't have a camera, while their auditory recall suffered compared to their non-photographing peers.
Researchers propose that forgetting is crucial for efficient memory, allowing us to adapt to new situations and generalize past events. By controlling what information we retain and forget, our brains optimize decision-making and prioritize core knowledge.
Researchers led by SDSU neuroscientist Stephanie Ries discovered that wide swaths of the brain work in parallel to retrieve correct words from memory, challenging previous assumptions about localized language processing. The study's findings could help speech-language pathologists develop strategies for treating disorders like anomia.
Researchers Troy Zars and Elizabeth King will use advanced genomic technologies and behavioral techniques to identify genes influencing learning and memory performance in fruit flies. The study aims to uncover the genetic basis of complex traits and shed light on brain function.
Scientists at the NIH discovered that each memory is encoded by a unique firing pattern of individual neurons in the brain. The studies also found that the brain replays memories faster than they are stored.
A Penn study found that acetyl-CoA synthetase 2 (ACSS2) regulates gene expression in neurons to form and store spatial memories. Blocking ACSS2 impairs long-term memory, suggesting a potential target for neurological disorders like anxiety and depression.
Research reveals that novelty detection triggers brain states that enhance new memory formation, suggesting a shift in how we make memories. The study's findings have implications for developing novel early warning tests and management strategies for memory impairments like Alzheimer's disease.
A study by Christian König and Ayse Yarali found that fruit flies generalize their memories of an electric shock to a range of similar scents, mirroring the behavior of PTSD sufferers. This ability can be beneficial but also detrimental if overgeneralized.
A new study published in Journal of Consumer Research found that individuals with larger working memory capacities tend to feel like they've had an experience more often, leading to faster satiation. This could have implications for marketers and consumers seeking to manage cravings for unhealthy foods.
A multi-university study aims to create a computer model of how the brain forms, stores and retrieves complex memories. The goal is to have human-like abilities to remember, understand and learn from events.
A recent study by Kevin Trewartha at Michigan Technological University explores how context and distraction influence our memories of weight expectations. The research found that the brain maintains multiple representations of size-weight relationships, with limited crosstalk between unconscious and conscious memories.
Researchers discovered that memories are formed simultaneously in the hippocampus and long-term storage location in the cortex. Traces of memories remain in the hippocampus for two weeks before becoming mature, challenging standard models of memory consolidation.
Researchers found evidence of long-lasting engram cells in the frontal part of the brain, which mature as new memories become permanent. These cells were activated naturally only after weeks of conditioning, suggesting a maturation process that requires input from hippocampal engram cells.
A study of nearly 1,500 Wikipedia articles on airplane crashes found that recent incidents trigger collective memory of past events, forming an interconnected network. The number of deaths and date of the crash significantly impact view flow, while prior viewership of target articles also play a role.
A study analyzing Wikipedia articles about airline crashes between 2008 and 2016 found that recent events trigger past memories, with a short-term attention span for recent crashes. Aviation disasters with large numbers of deaths are more memorable than reported events with fewer fatalities.
Researchers at Stanford University School of Medicine found that a time-honored mnemonic method can be taught to people with no prior hint of prodigious memorization skills. The method, known as the 'method of loci,' induces patterns of activity within new trainees' brains that closely resemble those of memory athletes.
After 40 days of daily training using a strategic memory improvement technique, individuals with typical memory skills more than doubled their memory capacity. Brain scans showed altered brain functions and similar connectivity patterns as those of world champion memory athletes. Four months later, recall performance remained high.
Researchers at Johannes Gutenberg University Mainz have identified two gaseous messenger substances, nitric oxide and hydrogen sulfide, as crucial for the formation of Drosophila's spatial orientation memory. This memory is retained in a small group of ring-shaped neurons in the ellipsoid body of the central brain.
Researchers found that musical cues with high arousal and positive emotion triggered the recall of clear, vivid memories, while those with negative emotions led to less specific recollections. The study's findings suggest that emotional content of musical cues influences the type of memories accessed.
Scientists discovered specific brain signals associated with fearful experiences in rat brains, allowing them to predict location-based avoidance. The study suggests a potential mechanism for understanding memory loss in Alzheimer's disease.
A Michigan State University study found that smokers who viewed a nostalgic public service announcement showed greater emotional engagement and stronger negative attitudes towards smoking. The researchers argue that nostalgia-themed messages could be an effective way to promote healthy behaviors.
Researchers identified specific neural pathways controlling temporal and spatial aspects of episodic memory in rats, revealing the brain's intricate communication between regions.
Researchers found that ants can decouple their direction of travel from their body orientation, maintaining a northerly direction by going forward or backward. This challenges the notion of simple stimulus-response behaviors in insects.
A Baylor researcher found that students who re-tell information to someone shortly after learning it recall details better and longer. The 'testing effect' strategy involves actively replaying or re-generating the information through conversation, leading to improved retention over time.
Researchers identified a specific region in the prefrontal brain essential for metamemory decision making in macaques. Inactivation of this region impaired metamemory but not memory itself, offering insights into the neuronal underpinnings of metacognition.
A new study published in Scientific Reports found that brumation, the winter dormancy of cold-blooded animals, does not affect memory retention in salamanders. Researchers trained salamanders to navigate a maze and tested their ability to recall the path after a period of brumation.
A study published in Science found that the entorhinal cortex replays memories of movement independently of the hippocampus, challenging the long-held view of the hippocampus as the primary memory region. The medial entorhinal cortex acts like a navigational system, providing cues for location and movement to the hippocampus.
Research published in Psychological Science found that people who notice inconsistent misinformation have better memory for the event compared to those who don't see it. This suggests that detecting and remembering misinformation can actually enhance memory recognition.
A team of New York University scientists found that emotional experiences can induce physiological states that persist for long periods, influencing future experience recall. Non-emotional experiences following emotional ones were also better remembered.
Researchers at Binghamton University have figured out how much damage memory units can sustain before becoming unreadable and developed new repair techniques to retrieve clues. Scientists found that plastic coverings break down after three hours of exposure to temperatures above 300 degrees Celsius, but memory chips remain readable.
A study by the University of Warwick found that around 50% of participants believed they had experienced fictitious events, such as taking a childhood hot air balloon ride. The findings have significant implications for fields like forensic investigations, therapy treatments, and courtrooms, where memories are used to inform decisions.
Scientists found that breathing rhythm affects memory and fear by synchronizing activity in the human brain. Inhaling through the nose heightens memory and response to fearful stimuli, while mouth breathing eliminates these effects.
Researchers found that when people watch a movie and then recall it, their brains exhibit similar activity patterns for specific scenes, suggesting a common framework for remembering. These shared brain patterns are essential for our ability to interact with others and form social groups.
A new study finds that recalling past misdeeds during conflicts can be detrimental to relationships, even if no one mentions them. Those with high attachment anxiety are especially prone to thinking about past transgressions in the present, leading to more destructive reactions and poor relationship outcomes.
Researchers discovered that neural activity supporting short-term memories only arises when recall is consciously attempted. This study finds that information in working memory is maintained through mechanisms other than sustained neural activity and can be revived using transcranial magnetic stimulation.
Researchers found that brain connections change with age, but compensate for this by using new strategies to remember things. The study used fMRI data to analyze brain activity in individuals, revealing distinct patterns of connectivity among older people.
Researchers found stressed individuals who used 'retrieval practice' technique outperformed non-stressed individuals, regardless of whether they restedudied or not. The study suggests that effective learning strategies can build stress-resistant memories, contradicting the common notion that stress impairs memory retrieval.
A new study from Tufts University found that learning through practice testing can protect memory against the negative effects of stress. Participants who used retrieval practice showed no impairment in memory after experiencing acute stress, while those who used traditional study practice remembered fewer items overall.
Researchers found that dogs can recall a person's complex actions, even when they don't expect to be tested. The study used the 'Do as I Do' training method to demonstrate this ability.
A new study published in Cognitive Systems Research found that moderate exercise like running improves memory retention for students who have just learned new information. The researchers suggest that physical stress activates the brain's 'memory storage mode', retaining the information.
Dr. Erica Weber at Kessler Foundation has received a $70,000 Merit Award to fund her research on strategies to improve prospective memory in individuals with traumatic brain injury (TBI). Her work aims to help people with TBI remember to perform tasks in the future using self-generation techniques.
A new IU study shows that rats exhibit much stronger episodic memory than previously believed, remembering up to 30 events in context. This finding has implications for research on human diseases affecting memory, including Alzheimer's and Parkinson's.
Researchers found that synchronizing collective memories through conversation leads to similar recall and forgetting patterns within groups. This phenomenon, known as mnemonic convergence, is influenced by both individual recall and group interactions.
A study by the University of Edinburgh has found that attention-grabbing experiences activate a specific area of the brain, releasing memory-boosting chemicals. Researchers discovered that mice who had new experiences just before or after learning a new location remembered it better the next day.
A new study in mice finds that dopamine release from the brain's locus coeruleus region can enhance memory retention. The researchers used optogenetics to activate dopamine-carrying neurons and found a direct, long-lasting synaptic strengthening that improved learning and memory.
A study by Cornell University suggests that posting personal experiences on social media can improve memory retention, as seen in a recent study published in the journal Memory. The researchers found that online events were more likely to be recalled than offline ones, even when controlling for event characteristics.
Researchers at Harvard Medical School found that selectively overexpressing a transcription factor, Klf9, in older neurons increased the survival of new neurons and improved pattern separation. This led to more precise and stronger memories in mice with increased neurogenesis, particularly in middle age and aging.
A study reviewed 20 research papers on deception in groups, revealing that collective interviews are used in only a third of investigations. This highlights the need for new methods to detect deception, as individualized interviews can be manipulated by suspects with prepared scripts.
Exercise increases neurogenesis, a process forming new neurons in the hippocampus, a key brain region for learning and memory. Contrary to earlier findings, these new neurons do not erase previously formed memories.
New research highlights how police line-ups can lead to wrongful identifications if distinguishing features are not properly disguised. A study by the University of Warwick found that fair line-ups, which hide or manipulate distinctive marks, outperform unfair ones in distinguishing between innocent and guilty suspects.
Researchers found that older adults with memory deficits selectively recalled positive information, while high-performers retained neutral material. The test could potentially detect Alzheimer's susceptibility in early stages.
A new study reveals that children's brains need healthy activation before preschool to develop learning and memory functions. Younger rats showed latent memories that were retained until later life, while older rats formed lasting memories through a critical period in brain development.
A new study found that methylene blue increased response in brain areas controlling short-term memory and attention, leading to improved reaction times and memory retrieval. The results suggest that methylene blue can regulate certain brain networks related to sustained attention and short-term memory after a single oral low dose.
A new study reveals that treadmill training releases a protein called cathepsin B, which improves memory recall in mice. The findings support the benefits of regular exercise on cognitive function and suggest that this protein may play a key role in maintaining brain health.
A woman with amnesia, Lonni Sue Johnson, surprisingly retains detailed knowledge of skills she once performed well in, such as art and flying, despite losing memories of facts about her life. Researchers at Johns Hopkins University find that skill-related memory can be spared even with severe losses in other kinds of knowledge.
A new study from the University of Liverpool found that taking notes during trials enhances jurors' memory of trial evidence. Jurors who were allowed to review their notes had superior memory recall compared to those who didn't.
A new study suggests that physical exercise after learning improves memory consolidation, particularly when done in a specific time window. The researchers found that exercising four hours after learning retained the information better two days later than those who exercised immediately or not at all.
A new study found that older people's brains absorb irrelevant information subconsciously, making it harder for them to recall details. This 'clutter' in their minds negatively impacts their ability to clearly remember relevant information.