Articles tagged with Associative Memory
Researchers identified deficits in prospective memory as factors affecting performance of everyday life activities in individuals with multiple sclerosis. Time-based tasks showed poorer performance compared to event-based tasks, and were associated with executive function deficits and lower motor scores.
A review of 11 studies on yoga and brain health found that regular practice can increase the volume of the hippocampus, a region involved in memory processing, and enhance brain regions related to emotional regulation. Yoga also tends to improve prefrontal cortex function, which is essential for decision-making and multitasking.
Researchers used virtual reality to study how opioid-associated memories are made and found special neural mechanisms engaged by drug use. The findings suggest that these memories could be targeted for disruption to break the cycle of craving and relapse.
A new study published in the Journal of the American College of Cardiology found no association between statin use and memory or cognitive decline in elderly patients. Statin users showed similar cognitive performance to never-users, suggesting potential protective effects in this population.
A Dutch study found that early onset of PD, memory and thinking impairment, and high levodopa medication use are linked to increased mortality. The study suggests that progressive motor impairment may be a key factor in the association between PD and reduced life expectancy.
A new study from OIST and RIKEN has developed a computational model that demonstrates the importance of inhibitory circuits in brain function. The model shows that inhibitory neurons play a key role in associative memory, allowing patterns to be stored in memory for longer periods.
Neuroscientists develop mathematical model to maximize reward by considering the difference between choices. When values are similar, decision-making becomes complex, highlighting the brain's reliance on maximizing possible gains.
A stepwise approach to assessing dementia risk in primary care uses a single question on subjective memory loss, followed by cognitive function tests. This method predicts incident dementia over seven years with high accuracy.
Rockefeller scientists have found that an animal's education relies on both what experiences it acquires and when it acquires them. Studying fruit flies, researchers showed that a single odor can become either appealing or disgusting depending on the timing of its encounter relative to a reward.
A new study published in the journal Behavior Therapy found that people with hoarding problems associate objects with positive memories, making it difficult to discard them. The researchers suggest that training individuals to respond differently to these memories could enhance cognitive-behavioral therapy for hoarding.
Researchers found that unpleasant odors improve memory for images paired with the bad smell 24 hours later, as well as for related images. Individuals with larger arousal responses had better memory recall. The study suggests that aversive odors can be used to examine emotional learning and memory processes across development.
A new federal rule of evidence is proposed to educate juries on theories of false memory, producing more just verdicts. This rule would be particularly beneficial for child testimonies, where age-related factors play a significant role in memory.
A new study provides policy recommendations to help legal authorities determine the accuracy of testimonies from children and adults. The authors suggest using scientifically-established protocols, open-ended questions, and analyzing supporting and opposing elements to verify memories.
Researchers found that fMRI brain imaging can be tricked by using two mental countermeasures: associating meaningful memories to control items or focusing on superficial aspects. This led to a 20% decrease in test accuracy, making it easier for participants to conceal information.
Researchers discovered that worms can form associative memories and retrieve them to cope with future hardships, similar to humans with PTSD. The study found that certain neurons store these memories and triggering a specific scent can bring back distressing memories.
A study found that a wider network of brain regions than previously thought is engaged in remembering a familiar face, linking the 'face network' with social, visual, and auditory circuits. This integration predicts facial memory performance.
A team of Boston College researchers discovered that memories fade in quality over time, losing vibrancy and visual details. The study found that people report declines in the visual qualities of their memories, akin to applying a filter to edit a picture.
A human neuroimaging study suggests that intentionally redirecting attention away from an unwanted experience during memory formation and suppressing its retrieval once formed can facilitate forgetting. The research provides evidence for a new link between voluntary control of visual attention and long-term memory fate.
Research finds that trauma-exposed individuals, regardless of PTSD status, struggle with suppressing memories. Neuroimaging data reveals reduced activation in the right middle frontal gyrus, a critical region for memory suppression, among trauma-exposed participants.
A study found that cannabinoid receptor type-1 is involved in memory problems associated with Down syndrome. Inhibiting CB1 receptors improved memory and synaptic plasticity in mouse models.
New research from the University of Pittsburgh School of Medicine shows that disrupting memories associated with environmental cues and cocaine use significantly reduces drug-seeking behavior in rats. This breakthrough may lead to developing more effective therapies to prevent relapse, such as targeting specific memories strengthened b...
Researchers found that playing Tetris reduced flashbacks in patients with PTSD by 64%, offering a potential new treatment method without relying on therapists. The intervention involves writing down stressful memories and then playing Tetris to alleviate symptoms.
A recent study found that people constantly record information about the order of events, even if they are unrelated, and use this order to help search memory. The researchers used real-world data from news stories to demonstrate that temporal proximity acts as a tether connecting memories for different events.
A study published in Psychological Science found that exploring objects through touch generates durable memories, even when participants don't intend to memorize details. Participants recalled objects with high accuracy after just one week, challenging existing cognitive and neural models of memory storage.
A Columbia University study found that the brain automatically preserves memories of high-reward events and filters out inconsequential ones. This process occurs immediately after a reward is received, with a longer overnight window including sleep also playing a role.
Research published by the American Psychological Association found that people with positive childhood memories tend to have better health, less depression, and fewer chronic illnesses as older adults. Good memories from childhood relationships with both mothers and fathers can reduce stress and promote healthy choices.
A study published in Nature reveals that the RNA modification m6A facilitates learning and memory in mice by promoting translation through the Ythdf1 reader protein. The researchers found that knockout mice showed significant deficits in spatial learning and fear memory, but these deficits were reversible upon re-expression of Ythdf1.
Researchers at the University of California, Davis found that a brain wave device enhanced both theta wave activity and memory performance in volunteers. The study suggested that entrainment devices may play a role in coordinating brain regions by synchronizing neural activity.
Researchers discovered brain regions deactivated during successful reading recall, suggesting a mechanism for filtering out irrelevant information and focusing on memory commitment. The findings provide new insight into natural reading processes and the neural basis of successful text encoding.
Researchers at Michigan State University found that sleep-deprived individuals experienced a significant increase in errors during tasks requiring following directions and remembering sequence steps. Memory maintenance was the primary culprit behind these difficulties.
A novel drug has reversed memory deficits and stopped Alzheimer disease pathology in an animal model, with proven non-toxicity for humans. The drug targets the Caspase-1/Caspase-6 neurodegenerative pathway, a significant breakthrough in treating age-related memory loss.
Research found that short periods of light exercise boost functional connectivity in the hippocampus, a region critical for memory processing. Participants showed improved memory performance after exercise, with increased connectivity correlating to better results.
A new study published in Frontiers in Neuroscience found that women who experienced sexual violence have more intense and difficult-to-forget memories than those who did not. The research also highlights the challenges of recovery from trauma and the importance of prevention and justice for survivors.
A Northwestern University study found that noninvasive brain stimulation improved the brain's ability to form new memories, with increased excitability lasting at least 24 hours. The research has implications for treating memory problems due to aging or brain damage.
Research by neuroscientists at UMass Amherst found that naps and overnight sleep work together to benefit memory in young children. Naps contribute to emotion processing in preschoolers, which is consistent with parents' observations, but the benefits are delayed.
Song Jiang is working on a three-year grant to improve cache efficiency in software, allowing for faster data access and large memory usage. He aims to develop prototypes that can combine or skip steps to access data automatically without slowing CPU speeds.
A study by Penn State researchers identified 13 types of problems with screening questions for Alzheimer's disease, including vagueness and emotional triggers. The findings suggest that clinicians can improve their understanding of patients' unique experiences by asking better questions.
Research shows that synapse-specific plasticity is necessary and sufficient for associative fear memory storage, guaranteeing uniqueness to the memory trace. This process enables the selective erasure of fear memory from an engram network without affecting other memories stored in the same ensemble.
Researchers identified a new mechanism involved in age-related memory loss, where specific changes in brain circuit signaling lead to abnormal neuron responses. The study found that an adenosine receptor, A2A, is concentrated in neurons and its overactivation leads to increased glutamate release.
A study by psychologists at the University of Illinois found that focusing on contextual details of emotional memories can improve cognitive performance and reduce negative effects. By shifting focus away from emotion and toward context, individuals can redirect brain resources to tasks and process memories more deeply.
Researchers at Wayne State University are investigating the link between glutamate and memory processes in aging populations. The study, led by Drs. Jeffrey Stanley and Naftali Raz, aims to identify subtle deviations in brain chemistry that may indicate impending cognitive decline.
Researchers found that older adults are more likely to rely on gist memory, leading to difficulty distinguishing between real and false memories. This can result in false memories being confused with actual events.
A study published in Neuropsychologia found that both conscious and unconscious emotional suppression reduce participants' memory of negative images. However, explicit emotional suppression has a greater impact on reducing negative emotions associated with the images.
Researchers found that sleep spindles facilitate processing of relevant memory features during sleep and boost memory consolidation. The study suggests that inducing sleep spindles may help improve memory performance while sleeping.
A study by the University of Waterloo found that moderate anxiety enhances memory recall in individuals, while high anxiety levels distort neutral information and negatively impact performance.
A new system called Veil provides added protections for users in shared computing environments, ensuring data remains encrypted until displayed. The Veil system works by using a blinding server to transmit decrypted pages, making it harder for attackers to retrieve sensitive information.
A study of 312 participants who had surgery and 652 participants who did not found that surgery was associated with a decline in immediate memory by one point out of 30 possible test scores. Additionally, reduced working memory decline was linked to longer cumulative operations.
Researchers at the University of Cambridge discovered that the default mode network plays a crucial role in switching to 'autopilot' during familiar tasks. The DMN enables fast and accurate responses by leveraging memory associations, suggesting an essential function beyond mere daydreaming.
Scientists at Yale University and international collaborators have developed new memsistor devices that can store information and regulate electrical current. The discovery offers great potential for applications in computing, particularly in neuromorphic and logic circuits.
Researchers found that variability in the medial temporal lobe's subfields is associated with differences in associative memory performance among older adults. The study's findings could help unravel age-related memory impairment by highlighting individual differences in brain structure and function.
A team of neuroscientists discovered that our brains reorganize experiences into information clusters to make sense of the world. Over time, these clusters become more organized, but this process can also lead to a decrease in memory fidelity.
Researchers found a correlation between predictable maternal sensory signals and improved cognitive function in children, with unpredictable signals linked to memory problems. Maternal predictability may influence cognitive development across species.
A research team at UC Riverside has developed a method to selectively erase specific fear memories by weakening the connections between neurons involved in forming these memories. This breakthrough has therapeutic implications for treating PTSD and phobias, allowing beneficial memories to be retained while detrimental ones are suppressed.
A new clinical trial will assess the effectiveness of improvisational dance in improving gait and balance problems associated with cognitive impairment and memory loss, as well as reducing apathy and depression. The 12-week program will be divided into four groups, including dance with social engagement and dance only.
Researchers found that people who took a picture of a sentimental item before donating it donated between 15-35% more than those who did not receive a prompt. This is because possessions, memories, and identity are psychologically tied together.
Researchers found that taking a photo of sentimental items before donating them increases the likelihood of getting rid of clutter. The study suggests this strategy helps people keep memories alive while parting with possessions, benefiting nonprofits and recipients. Participants were more willing to donate items that still held sentim...
Researchers at Columbia University Medical Center found that selective memories can be erased from snail neurons, potentially developing drugs to delete memories triggering anxiety and PTSD. The study's results could lead to the development of treatments for these conditions by eliminating non-associative memories without affecting ass...
Researchers have identified a new brain mechanism that contributes to learning an association between an auditory warning and a fearful event. Changes in lattice-like structures in the brain known as perineuronal nets are necessary to capture and consolidate the fear association, which can aid research into combating PTSD.
Researchers at Lawson Health Research Institute and Western University found that dual gait testing can predict dementia progression in seniors with mild cognitive impairment. The study showed that individuals with slower gait speeds while performing a cognitively demanding task are at higher risk of progressing to dementia.
Researchers at UCR have discovered that a specific population of hippocampal neurons project to both the amygdala and mPFC, facilitating coordinated neural activity in these areas. This finding could lead to the development of new therapeutics for reducing pathological fear in PTSD.