Articles tagged with Associative Memory
Researchers found that the brain separates emotional responses from explicit memories of fear, leading to uncontrolled emotional reactions in post-traumatic stress disorder. This study may help develop new therapeutic strategies for these disorders.
A study suggests that the hippocampus plays a crucial role in the development of Huntington's disease cognitive decline. Researchers found increased expression of p75NTR in the hippocampus, leading to reduced dendritic spine density and memory defects.
Scientists alter emotional associations of specific memories by manipulating connections between the hippocampus and amygdala, finding that changing the emotional valence can transform a negative memory into a positive one. The research demonstrates potential for treating depression and anxiety.
Researchers discovered the brain circuit that links feelings to memories and found it possible to reverse emotional associations using optogenetics. This finding could lead to new treatments for post-traumatic stress disorder by strengthening positive memory associations.
A recent study by Dartmouth researchers reveals that the retrosplenial cortex plays a critical role in forming contextual memories, which enable us to recall events along with their associated physical locations. This breakthrough finding has significant implications for understanding memory-related illnesses such as Alzheimer's disease.
Research found that sleep-deprived individuals who viewed photos of a crime and then read false information were more likely to report remembering the false details. The study suggests that chronic sleep deprivation may increase susceptibility to false memories, with implications for eyewitness reliability.
A team of experts at UCLA will collaborate to create, implant, and test a memory prosthesis to help restore lost memory functions in brain-injured individuals. The project aims to stimulate the entorhinal area, a key region involved in learning, memory, and Alzheimer's disease.
Lawrence Livermore National Laboratory will develop a state-of-the-art implantable neural device to record and stimulate neurons, helping to restore memory in individuals with Traumatic Brain Injury (TBI) and other conditions. The device aims to bridge gaps in the injured brain and enable individuals to form new memories.
Research by Emily Garbinsky and colleagues reveals that memories for the last bites of a food drive decisions about when to eat it again. Smaller portion sizes lead to faster repeat consumption. The findings have implications for companies and consumers, suggesting strategies like thinking back to initial bites could encourage re-purch...
A new study from City of Hope has found that stimulating the TLX gene can prompt growth of new neurons in the hippocampus, leading to faster learning and better memories. This discovery could provide a new strategy for treating neurodegenerative diseases and age-related memory loss.
Researchers discovered that fatty acid binding protein 5 (FABP5) enhances cognitive function and improves learning and memory functions in the brain's hippocampus region. FABP5 deficiency impairs learning and memory, suggesting potential therapeutic applications for cognitive dysfunction.
A new study from Brigham and Women's Hospital suggests that extreme sleep durations may affect brain health in later life. Women who slept five or fewer hours or nine or more hours per day had worse memory than those sleeping seven hours a day.
Researchers found that thinking about non-emotional contextual details of a memory can alleviate the negative effects of these memories. This strategy, known as focusing on context, is a promising alternative to other emotion-regulation strategies.
Researchers discovered that smell is connected to memories through an associative process where neural networks are linked via synchronised brain waves of 20-40 Hz. This coherence evolved in parallel with learning and was observed in the entorhinal cortex and hippocampus, demonstrating long-distance communication mediated by waves.
A research team in Japan has developed a spintronics-based technology that could replace volatile memory, enabling extremely energy-efficient devices powered by hand-crank or solar panels. The technology uses non-volatile function of advanced spin-transfer torque magnetoresistive random access memory (STT-MRAM) to create 'normally off'...
A study found that older adults with chronic obstructive pulmonary disease (COPD) are at a higher risk for developing mild cognitive impairment (MCI), particularly in skills other than memory. Patients with COPD for over five years had the greatest risk, highlighting the importance of COPD as a risk factor for MCI.
Research links common infections such as Chlamydia pneumoniae and herpes simplex viruses to worse cognitive performance, including memory loss and decreased thinking speed. The study found an index of antibody levels associated with these infections was linked to poorer cognitive outcomes.
Researchers discovered a new brain circuit that shapes memory formation by endowing neurons with the ability to connect two events separated in time into a single experience. Island cells, found in the entorhinal cortex, project to the hippocampus and suppress the formation of temporal associations.
Researchers discovered a skin tone memory bias where educated Black men are perceived as lighter-skinned, violating the stereotype of darker skin tones being more aggressive. This phenomenon distorts memory and reinforces existing cultural beliefs about race and intelligence.
Scientists at Medical College of Georgia discovered that disabling a key brain component impairs memory formation and retrieval. Mice lacking an NMDA receptor exhibit flat tones, poor associations, and difficulty recalling fearful memories, highlighting the importance of reverberation in memory consolidation.
Researchers at Carnegie Mellon University have developed a new approach to password management that leverages shared visual cues to enable users to remember multiple passwords. By pairing short stories with photos, the system generates unique, strong passwords for multiple accounts, promoting secure and easy password management.
Researchers found that aerobic fitness and hormones, including BDNF, predict recognition memory in healthy young adults. High levels of BDNF at high fitness predicted improved memory accuracy.
Researchers at UH have discovered that a specific protein inhibits gamma lobe neurons, which are involved in forming memories. This finding has implications for treating dementia by understanding how memories form.
Neurological researchers have discovered a significant link between abdominal fat and memory loss, finding that the same protein controlling fat metabolism in the liver also resides in the memory center of the brain. This study suggests that people with high levels of abdominal fat may be at risk for memory-related problems later in life.
Researchers at Scripps Research Institute successfully erased dangerous drug-associated memories in mice and rats without affecting other memories. The study's findings suggest a clear method to disrupt unwanted memories while leaving benign ones intact.
Researchers found young adults have strong emotional connections to the music popular during their parents' younger years. This phenomenon is linked to the prevalence of music in home environments and childhood experiences.
A new study by LSU Associate Professor Sean Lane explores the cognitive machinery of lies, revealing that false descriptions are more accessible and durable in our memories due to the effort required to make them up. This finding has implications for police interrogation methods and forensic techniques.
A team of neuroscientists found that better coordination between two brain regions is associated with less forgetting and longer-lasting memories. The study suggests that the brain strengthens memories by distributing them across networks, a process that takes time.
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 study published in Psychological Science sheds light on two distinct brain activation patterns involved in prospective memory. Participants demonstrated sustained top-down monitoring for relevant tasks and environmental cues for irrelevant tasks, suggesting different strategies for remembering to remember.
Scientists at RIKEN-MIT Center for Neural Circuit Genetics implanted false memories into mice, revealing the mechanisms underlying human false memory formation. The study found that false memories can be reconstructed and activated like genuine ones, with similar brain responses.
Maternal alcohol consumption during pregnancy has a detrimental effect on fetal central nervous system development. Prenatal ethanol exposure can lead to changes in cyclin-dependent kinase 5 expression, affecting synaptic plasticity and impairing learning and memory functions in offspring.
A study published in Neurology found that people who experience stroke-like symptoms are at increased risk of developing memory and thinking problems. The research used a quick seven-question test to identify individuals at risk of dementia.
A study published in Neurology found that adhering to a Mediterranean diet rich in omega-3 fatty acids and low in saturated fats may help preserve cognitive functioning. However, the association was not found in people with diabetes.
The American Academy of Neurology warns against prescribing neuroenhancing drugs to healthy children and teens, citing potential long-term health risks and impaired decision-making abilities. The organization emphasizes the importance of exploring alternative solutions, such as improved sleep habits, nutrition, and study regimens.
Researchers found that using the method-of-loci technique improved recalling positive memories for individuals with depression, potentially elevating their mood. The study suggests this memory strategy may be an effective tool in managing depression.
Scientists used in-brain monitoring to show that memory networks involve simultaneous brain region activation. The study confirmed the importance of the medial temporal lobe and found distinct frequencies for time and place memories.
A study of 117 women found that cognitive declines during menopause transition are independent processes, not linked to hormone levels or symptoms like sleep disturbance and depression. Memory problems worsen in the first year after final menstrual period, affecting verbal learning, memory, and fine motor skills.
Researchers at Western University identified a common mechanism in the pre-limbic cortex to control recall of memories linked to aversive experiences in PTSD and rewarding memories in drug addiction. Stimulating a specific dopamine receptor subtype can prevent spontaneous recall of both types of memories without altering their integrity.
Researchers found that lithium boosts neurogenesis in the hippocampus of Down syndrome mice, leading to improved cognitive function. The results suggest that lithium-based therapies may be effective in treating Down syndrome patients.
Researchers discovered two distinct mechanisms for voluntary forgetting of unwanted memories: suppressing memories and substituting them with more desirable ones. This study may lead to improved treatments for disorders like posttraumatic stress disorder.
A study by Northwestern University found that human memories adapt and change with each retelling, leading to distorted recall. The research used a telephone game-like scenario where participants recalled object locations, showing improved recall accuracy on the final test for objects tested on day two but never exactly right.
A new training program targeting specific memory recall has been shown to alleviate symptoms of depression in adolescents. The study found that participants who received the intervention recalled more specific memories and showed fewer symptoms of depression compared to those in a control group.
Two parasitic wasp species show similar memory consolidation patterns when rewarded with different qualities. This suggests that higher rewards lead to better memory retention. The researchers propose that this behavior makes sense given the energetic cost of consolidating shorter-lasting memories into long-term ones.
A UCLA study finds that a computerized brain fitness program significantly improves memory and language skills in older adults. The six-month program, used by participants aged 84, demonstrated improved cognitive function compared to those who played less frequently.
Research on prospective memory reveals that failures occur when we form intentions but lose focus due to interruptions or multitasking. Habital tasks can also lead to implicit intentions, making it harder to remember them. To defend against these failures, professionals use memory tools like checklists and implementation intentions.
A study published in Science found that the brain's memory system adapts to recent experiences, influencing how we process subsequent information. Researchers showed participants novel objects and asked them to identify similarities between old and new items, finding that previous experience influenced their responses.
Researchers found that vivid memory and real perceptual experience share striking similarities at the neural level, but not in every detail. The study used fMRI to analyze brain activity while participants watched video clips and then recalled them, finding a 91% match in sensory and motor areas of the cerebral cortex.
University of Pennsylvania researchers have made progress in deciphering the neural processes behind human thought. Using brain recordings, they identified unique patterns that reflect how people associate words in their memories. These patterns, known as 'neural fingerprints', can potentially be used to read out individual's memory or...
Researchers found that stimulating a musical tune during slow-wave sleep improved memory for complex skills. Participants made fewer errors when pressed keys to produce the melody presented while they slept compared to the other melody. The study opens doors for future studies on sleep-based memory processing.
Researchers at the Peninsula College of Medicine and Dentistry have identified a key player in the immune system that may protect against Alzheimer's changes. The CCR2 gene was found to be associated with memory in people, suggesting that strengthening this part of the immune system could slow the disease.
Recent studies in Current Directions in Psychological Science investigate the role of retrieval-based learning, attention to information in working memory, accurate personality judgment, and the use of neuroeconomic games to examine social decision making in children with externalizing disorders. These findings provide insights into th...
Researchers found that a specific gene, CCR2, associated with immune activity is linked to memory and cognitive function in people. This discovery could lead to new approaches to slowing or preventing Alzheimer's disease.
Researchers found that Americans' hostility to the income tax is rooted in moral beliefs about hard work and personal autonomy. Interview respondents associated taxes with a loss of control over their time and work, viewing a flat tax on consumption as an improvement.
A recent study published in Annals of Neurology found that consuming high amounts of saturated fat was associated with poorer overall cognitive function and memory in women over time. In contrast, eating more monounsaturated fats, commonly found in olive oil, may help prevent decline in memory and cognitive performance.
Researchers at UBC and VCH found that a senior's exercise program using resistance-training can improve executive cognitive functions, associative memory, and brain plasticity. The study suggests that resistance training can be an effective prevention strategy for dementia.
A study published in Alcoholism: Clinical & Experimental Research found that alcoholism impairs associative memory, a component of episodic memory, which is essential for remembering face-name associations. Working memory, another short-term memory system, is also affected, leading to difficulties in holding information in mind.
A new study examines the relationship between personality traits, emotional strategies, and gender in memory recall. Researchers found that men who were high in extroversion remembered more positive life events, while women who were high in neuroticism ruminated on negative memories.
Research suggests that severe memory loss in years before a stroke may predict a future deadly stroke. Participants who died after stroke had more severe memory decline compared to those who survived or didn't have a stroke.
A recent study by University of Massachusetts Amherst researchers found that sleep preserves and enhances unpleasant emotional memories. Contrary to previous assumptions, sleep was associated with maintaining the strength of initial negative feelings, rather than softening their effects.