Articles tagged with Long Term Memory
A team of researchers at UC Riverside led by Sara C. Mednick found that the autonomic nervous system is responsible for promoting memory consolidation during sleep. They demonstrated a correlation between increased ANS activity and improved memory performance after a nap.
A new study using optogenetics has increased long-term memory in mice with fear disorders, such as phobias and post-traumatic stress disorder. The technique, tested in two mouse populations, improved memory recall and reduced fear responses, offering potential therapeutic targets for these conditions.
Researchers suggest a long-term memory test combined with a brain scan can detect early Alzheimer's disease. Long-term memory tests reveal deficits in the brain's ability to remember, which may be reversed by new treatments.
A team of scientists has identified a back-up mechanism for memory storage that takes over when the molecular mechanism of primary long-term memory storage fails. They found that mice engineered without an enzyme crucial to long-term memory storage still form memories because they deploy an alternative method, involving PKCλ/ι.
A new study by SUNY Downstate resolves the controversy over PKMzeta's importance in forming and retaining memories. Mice lacking PKMzeta recruit a closely related molecule, PKCiota/lambda, to compensate for its absence, highlighting the brain's memory system durability.
A study by Northumbria University researchers found that peppermint tea significantly improved long-term memory and working memory, while chamomile tea slowed these functions. The study suggests beneficial effects of peppermint's enhancing and arousing properties on cognition.
Researchers at Rice University suggest that actin filaments play a key role in forming and storing long-term memories by stabilizing soluble cytoplasmic polyadenylation element binding proteins (CPEB) into longer, insoluble prion-like fibers. This process is thought to aggregate and encode memories in neurons' synaptic regions.
Studies of stroke victims with spelling impairments reveal distinct brain regions responsible for long-term and working memory, offering new insights into the mechanics of language and memory. Damage to these regions can lead to different symptoms, including difficulty guessing or assembling words.
Researchers discovered epigenetic modifications in mouse brains that influence long-term memory, suggesting a potential code for memory content and new therapeutic targets. The study also found these modifications occur in non-neuronal cells, expanding our understanding of neuroplasticity regulation.
Researchers at Stowers Institute discover that Orb2 protein transforms from repressor to activator, solidifying and strengthening memory connections in the brain. This biochemical mechanism may underlie how fleeting experiences create enduring memories.
A new study published in Brain Plasticity reports that running mice developed twice the normal number of new neurons and showed improved ability to distinguish between similar objects. This improvement in pattern separation is crucial for everyday memory tasks like remembering chess piece shapes or patterns on a board.
A new study has found that older adults who take more steps perform better on memory tasks than those who are more sedentary. The association between physical activity and memory was strongest with a task requiring recalling face-name associations.
A new study has identified specific genes that are repressed after memory formation, providing insights into how long-term memories are formed. The researchers found that estrogen receptor alpha (ESR1) and Nrsn1 genes play a crucial role in modulating gene-regulatory networks after learning.
Researchers propose that deep sleep strengthens immunological memories of previously encountered pathogens, enabling adaptive responses. Studies show that slow-wave sleep contributes to the formation of long-term memories of abstract information.
Researchers at USC and Wake Forest Baptist Medical Center have developed a brain prosthesis that mimics how memories are translated from short-term to long-term storage. The device has shown high accuracy in predicting neural signals with about 90% accuracy in hundreds of trials conducted with nine patients.
Researchers found that great apes can remember and anticipate memorable events from a single viewing of a movie, using anticipatory looks to track impending events. The study used eye-tracking technology to test the apes' ability to recall and anticipate events in two different films.
Researchers adapted eye-tracking technology for apes, showing they could recall video clips after a 24-hour delay and anticipate what came next. The study suggests great apes can use their memories to avoid danger, interact socially, and navigate complex environments.
Researchers found that the same brain cells are engaged during memory formation and retrieval, challenging long-standing debate. The study used molecular imaging to identify specific cells in the hippocampus responsible for accurate memory performance.
Research reveals that stored memories are coded as permanent changes in neuronal communication and connection strength, influencing response behavior and gene expression. The study demonstrates that spine calcium responses can undergo long-term enhancement through ryanodine receptor activation.
Researchers from Uppsala University found that losing half a night of sleep can make memories less accessible during times of cognitive stress. The study also showed that stress can impair memory recall by around 10 percent, especially when subjects had only slept for half a night.
Research by Eric Kandel's lab shows prion-like proteins, like those causing mad cow disease, are critical for maintaining long-term memories in mice. These proteins work by creating aggregated structures that turn on protein synthesis necessary to maintain the memory.
A recent study published in PLOS Computational Biology suggests that new motor skills memories formed during a single practice session are intrinsically unstable, contrary to previous theories. This finding has implications for our understanding of how motor skills memories are stabilized over time.
A team of NYU researchers discovered that two growth factor families, TrkB and TGFβr-II, play distinct roles in creating long-term memories by exerting their actions in different parts of the brain. At different times, these molecules swap roles to facilitate memory formation.
Researchers discovered that memories can be retrieved by activating specific patterns of neurons with light, contradicting long-held assumptions about memory consolidation. This optogenetic approach may have implications for treating Alzheimer's disease and other forms of amnesia.
Heavy teen cannabis use linked to changes in hippocampus, poor memory for life events. Young adults who abused cannabis as teens performed 18% worse on long-term memory tests than those who never used the drug.
Scientists from Scripps Research Institute found a mechanism causing long-term memory loss due to age by identifying connectivity defects between neurons, preventing the formation of long-term memories. This discovery could lead to ways of rebuilding those connections to improve memory.
A UT Dallas researcher challenged a long-held scientific theory about the role of the hippocampus in unconscious memory. The study used EEG to test brain wave patterns in amnesia patients with damaged hippocampuses, revealing that the hippocampus is involved in processing unconscious memories.
Researchers found that bumblebees can create false memories by combining features of previously seen stimuli. This phenomenon is similar to human memory conjunction errors and may be an adaptive mechanism to help animals respond in new situations. The study suggests that false memories may be widespread in the animal kingdom.
Scientists have discovered that brain cells in flies regulate both sleep and memory consolidation through a complex interaction. When activated, these cells promote sleep, while deactivated cells enable learning and memory formation.
A new study has identified over 750 genes involved in long-term memory in the worm, including those not previously found. The researchers hope to understand how these genes contribute to memory loss with age and potentially develop compounds to maintain memory.
A Northwestern University study found that family members sharing familiar stories with coma patients who wore headphones recovered consciousness faster and had improved outcomes. This 'familiar auditory sensory training' stimulated the brain's memory circuits, helping patients wake up more easily and respond to their environment.
In a study published in Nature, NYU researchers found that emotional learning can strengthen older memories by selectively preserving previously insignificant information. Participants were shown images of animals and tools, with some receiving shocks to make certain categories emotionally meaningful. Memory for these images was better...
A recent study published in Journal of Gerontology reveals that cardiorespiratory fitness has a positive impact on long-term memory in older adults. The research found that participants with higher levels of physical fitness performed better on cognitive tasks and showed improved executive function.
A study by Kessler Foundation researchers found that working memory capacity may mediate the relationship between cognitive reserve and long-term memory in individuals with moderate to severe TBI. Cognitive reserve theory suggests that higher intellectual enrichment can confer a protective effect on long-term memory.
Researchers at UT Arlington discovered that musicians outperform non-musicians in EEG-measured working memory tasks. However, the advantage in long-term memory was only found in picture recognition. The study used EEG technology to measure neural activity in the brains of 14 musicians and 15 non-musicians.
A new study published in Neurology suggests that taking vitamin B12 and folic acid supplements may not reduce the risk of memory and thinking problems. The study involved 2,919 people with high blood levels of homocysteine and found no significant difference between those who took supplements and those who did not.
University of Toronto researchers found that anesthetics activate memory-loss receptors in the brain, leading to long-term effects on memory-related tasks. The study suggests that anesthetics may compound existing issues with sleep, new environments, and medications after surgery.
A new study found that a short bout of resistance exercise, such as lifting weights for 20 minutes, can improve episodic memory by 10% in healthy young adults. The researchers tested participants before and after the exercise, using a series of photos to assess their memory recall.
Researchers have identified a key gene linked to Huntington's disease as also playing a crucial role in normal long-term memory formation. The study used the marine snail Aplysia to explore this connection and found that eliminating the protein disrupted memory formation.
Kessler Foundation researchers confirm that cognitive rehabilitation in MS maintains patterns of increased cerebral activation correlated with learning six months after memory retraining. The study's results support the long-term effectiveness of cognitive rehabilitation in individuals with cognitive impairment caused by MS.
Scientists from the Scripps Research Institute will investigate axonal transport, a cellular process crucial for signaling and long-term memory storage. The goal is to identify molecular regulators of axonal transport to develop new approaches for treating memory disorders.
Scientists at the Stowers Institute for Medical Research have identified a protein that is essential for creating and maintaining long-term memories. The protein, Orb2A, must be tightly regulated to form only in specific neural circuits, and its conversion into a prion-like state can be triggered by nerve cell stimulation.
Researchers at Johns Hopkins University found that caffeine enhances long-term memory in humans by improving pattern separation. The study used a double-blind trial where participants received either a placebo or a 200-milligram caffeine tablet, and showed that more members of the caffeine group correctly identified new images as simil...
Researchers found that chimpanzees used long-term spatial memory to locate large fruit trees, increasing their chances of discovering bountiful crops. Chimpanzees also remembered feeding experiences from previous seasons, using a memory window of up to three years.
A recent study found that the hippocampus helps individuals resist temptation by simulating future outcomes. Individuals with hippocampus damage, such as those with Alzheimer's disease or frontotemporal dementia, struggle to imagine long-term rewards, leading to impulsive decisions.
Researchers found a group of Wnt proteins essential for long-term memory, but not short-term memory. The study suggests that Wnt signaling participates actively in memory formation and shares molecular mechanisms with early development.
Researchers at UC Irvine have created new memories by directly altering brain cells in the cerebral cortex, producing specific memory content with long-term retention. This breakthrough could lead to new treatments for learning and memory disorders.
Researchers find that motor cortical circuits store associative memories, not just the hippocampus. This discovery suggests a new approach to treating neurological diseases like amnesia and Alzheimer's.
A new UCSB study published in the Journal of Neuroscience reveals that paying full attention and trying hard can impede performance. The study found that disrupting explicit memory resources, which are associated with conscious thought, can harm implicit memory processes, leading to poorer performance outcomes.
Researchers found that choline supplementation improved long-term memory retention and attention in rats, with prenatal choline intake also benefiting offspring. The study suggests a potential link between choline nutrition and cognitive function.
Gladstone scientists have mapped the process by which brain cells form long-term memories, revealing how an important protein called Arc regulates neuron activity. The discovery provides new insight into the molecular mechanisms underlying memory formation and may shed light on neurological diseases such as Alzheimer's and autism.
Japanese researchers from RIKEN Brain Science Institute have visualized the process of remembering learned behavior in zebrafish. The study uses calcium imaging to trace neural activity and finds that short-term and long-term memories are formed in different parts of the brain.
Researchers from Scripps Research Institute and universities identified nearly 6,000 transcripts from sea slug genome, shedding light on RNA molecules transported to synapses. The new approach offers insights into localized translation and its role in maintaining long-term memories.
Researchers at UTHealth used sea snail nerve cells to demonstrate a strategy for overcoming memory deficits. By retraining the cells with optimized training schedules, they reversed memory loss and restored connection strength.
Researchers have identified a key molecule responsible for triggering chemical processes in the brain linked to memory formation. The study found that the gene CASK regulates the 'molecular memory switch', enabling it to remain active even after calcium has gone, paving the way for new therapies to reverse memory loss.
Researchers at UC Irvine have identified a novel molecular mechanism that triggers long-term memory formation, which may be linked to intellectual disabilities. The study suggests that mutations in the Baf53b gene can impair synaptic function and inhibit long-term memories.
Researchers at Baylor College of Medicine have identified a novel storage mechanism that regulates memory formation by modulating actin fibers in neurons. This discovery has significant implications for the treatment of cognitive disorders such as Alzheimer's disease and may lead to the development of new therapeutic treatments.
A study found that older brains struggle to filter out unnecessary information, leading to reduced learning and memory capabilities. The researchers discovered a link between the NMDA receptor and long-term depression, which is essential for sculpting memories and eliminating unnecessary information.
A study by Johns Hopkins researchers found that mice lacking a widely accepted enzyme for long-term memory formation were still able to form memories as well as normal mice. The study refutes the prevailing theory of how synapses strengthen, suggesting PKM-zeta is not the key molecule for long-term memory.
A study published in Cognitive, Affective & Behavioral Neuroscience found that emotion in voices enhances initial word recognition, but does not improve long-term memory. The researchers discovered that emotionally intoned speech can lead to the acquisition of emotional value, making words more negatively charged in the mind.