Articles tagged with Long Term Memory
Researchers at Binghamton University found that memory shifts as we age, with declines in accuracy from the 20- to 30-year-old age group to people in their 50s. Hippocampal processes start to decline by midlife, making middle age a transition point for memory formation.
Researchers found that theta oscillations during learning predicted which experiences were remembered after sleep, and this pattern was associated with better memory performance. The study suggests that the brain may use theta oscillations to 'tag' experiences for later memory consolidation during sleep.
A new study reveals how memories change with age, with older adults struggling to recall specific details and general knowledge becoming more prominent. The research highlights the importance of understanding how memory evolves over a lifetime, shedding light on how to support healthy cognitive ageing.
Researchers at Binghamton University found that taking screenshots can degrade memory of information, contrary to the assumption that photos aid recall. They suggest attentional disengagement and cognitive offloading as possible mechanisms behind digital amnesia.
Researchers challenge traditional assumptions on synaptic potentiation and instead identify clustered patterns of connections as crucial for retaining long-term memories. Through artificial hibernation techniques, they discovered that small clusters of engram-engram synapses are preserved to enable accurate recall.
Researchers discovered astrocytes actively preserve long-term memories by regulating Ank2 and BDNF signaling. This finding expands the understanding of how memories are stored in the brain.
A recent study in mice reveals a shared hub of memory cells that links incoming and outgoing signals, allowing the brain to reuse some cells to store many different memories. This 'switchboard' helps maintain stability while learning new information.
A new study by researchers at UC Davis Health and Kaiser Permanente found that long-term exposure to fine air pollution particles (PM2.5) is associated with lower semantic memory, a type of brain's encyclopedia. The study analyzed data from 740 adults aged 53-94 and found no impact on executive function or verbal episodic memory.
Researchers at UCLA Health have identified a brain region called the ventromedial prefrontal cortex (vmPFC) that regulates memory integration. The vmPFC acts as a quality control checkpoint, preventing memories from getting mixed up when they are significantly different or far apart in time.
A new paper in Neuroscience & Biobehavioural Review proposes a comprehensive neurobiological model of affective tactile memory, suggesting that emotionally meaningful touch is stored in the brain in powerful and lasting ways. This research opens a new window into how early and everyday tactile experiences influence our emotional lives.
Researchers developed a nasal spray that reversibly reduces brain inflammation, restores cellular power plants, and improves memory. The treatment bypasses the brain's protective shield through intranasal delivery, suppressing chronic inflammation and promoting successful brain aging.
A major European study found that loneliness affects the memory of older adults, but does not speed up mental decline over time. Participants who reported high levels of loneliness performed worse on initial memory tests, but their ability to recall information declined at a similar rate as those with lower loneliness levels.
A recent study using sea slugs identified a cellular mechanism that strengthens long-term memory when exposed to new information at the same time each day. This discovery could provide insights into the most effective learning strategies.
New research from the University of Mississippi suggests that storytelling is just as effective, and sometimes better, than survival processing in improving memory. By creating a narrative with unrelated nouns, participants were able to remember more than those who used survival processing or pleasantness processing.
Researchers found that inhibiting LETM1, a protein regulating mitochondrial calcium, can significantly improve performance in tasks requiring long-term memory. This approach enhances metabolic stimulation and leads to overproduction of ATP, prolonging energy production beyond normal brain activity.
Scientists found that blocking microglia prevents infant forgetting and improves memory in mice, suggesting a role for microglia in memory formation. Microglia inhibition also enhances engram cell activation, providing a functional explanation for enhanced memory recall.
A new study published in Communications Psychology found that verbal justifications supporting memories remain rich, detailed, and consistent even after a delay of 24 hours. The study suggests that memory justifications provide a temporally stable window into episodic memory, making them a reliable basis for evaluating memory credibility.
Researchers discovered that calcium alpha-ketoglutarate restores key memory-related brain functions disrupted in Alzheimer's disease. The molecule enhances synaptic plasticity, protects neurons from degenerative changes, and supports healthier cognitive ageing.
A study from the University of East Anglia explores how our brains remember past events and how those memories can change over time. Memories are made up of different parts and can become less accurate or include new information as they are retrieved.
The team aims to build an anonymized database representative of the whole population by collecting two vivid memories from participants. The findings will inform new ways to help people remember in more detail and understand human memories across the lifespan.
Researchers found that brain mechanisms for spatial attention differ when processing mental images from memory versus visuals on a screen. When recalling imagery, frontal areas are more active, suggesting distinct mechanisms for spatial attention in mental imaging.
A global study by the University of Jyväskylä found that our most emotionally resonant music comes from our teenage years, peaking around age 17. This 'reminiscence bump' helps explain why songs from adolescence remain meaningful even decades later.
A new study reveals that astrocytes, a type of glial cell, are responsible for stabilizing memories through repeated engagement. The researchers found that Fos activity in astrocytes only occurs during recall, and that these cells can be activated to produce stable memories.
Researchers discovered that adults can better access their early memories after embodying a childlike version of their own face. Participants who viewed their childlike faces recalled significantly more episodic childhood memories than those who saw their adult faces.
Eventgoers use social media to capture special moments and construct narratives of their own lives, intersecting with communal narratives. This mediated memory work influences how they experience and remember live events, blurring the lines between the present and future.
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.
Researchers suggest that learning different facets of information in each session and retrieving information from memory in various ways can lead to better memory retention. This method involves creating multiple paths to memorized information, which can be used to retrieve the information more effectively.
The study found that slow electrical waves during deep sleep strengthen synaptic connections and make the neocortex more receptive to information. This enhances memory formation by creating a state of elevated readiness in the cortex.
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...
Researchers found a parallel pathway to long-term memory formation that bypasses short-term memory. Blocking short-term memory did not disrupt long-term memory retention.
A study found that maternal immune activity during pregnancy affects offspring's long-term memory circuitry and function in childhood and midlife. Elevated levels of IL-6 and TNF-a in mothers were linked to adverse brain activity in memory circuitry, particularly in postmenopausal women.
A study from Tohoku University reveals that astrocytic manipulation affects the fate of long-term memory, with acidifying astrocytes preventing memories from being remembered and alkalinizing astrocytes preserving them. The findings suggest a parallel process of short-term and long-term memory formation.
Mount Sinai researchers discovered a neural mechanism for memory integration that involves replaying experiences, integrating new information with existing memories, and linking memories across time. This finding has implications for understanding adaptive and maladaptive memory processes, such as PTSD.
A study by Northwestern University found that cross-talk between the hippocampus and cortex can predict chronic pain, with higher anxiety levels increasing precision. The researchers suggest targeting anxiety after injury to prevent chronic pain, paving the way for novel treatments.
A new study from UT Arlington found that setting reminders can significantly reduce age-related declines in memory, particularly in prospective memory. The study suggests that reminders help counteract cognitive strain by making memory retrieval less reliant on internal processes.
Studies show that the cerebellum is critical for forming stable memories for sensorimotor skills, largely independent of short-term memory systems. Researchers found that longer time intervals between trials increased reliance on impaired long-term memory.
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 have uncovered new insights into how weak memories are strengthened through subsequent, non-related experiences, evoking strong responses. This process, known as heterosynaptic plasticity, challenges the traditional Hebbian model of learning and memory formation.
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.
A recent study published in BMC Psychology found that mild COVID-19 patients experienced significant cognitive impairment, with 11.7% showing memory loss and attention deficits. The study suggests that neuroinflammation due to SARS-CoV-2 infection may be a contributing factor to these long-term effects.
Researchers have uncovered the role of KIBRA in stabilizing memory formation through persistent synaptic tagging. This mechanism explains how memories can be stable for years despite constant cellular and molecular changes.
A recent study revealed that the brain uses a similar neural mechanism to store faces of familiar individuals as it does to remember the value of objects. The striatum tail plays a critical role in this process, responding strongly to familiar faces and weakly to unfamiliar ones.
A University of Massachusetts Amherst study is tracking over 300 infants and preschoolers to assess the importance of napping on brain development. The research aims to identify the bioregulatory mechanisms involved in napping and its impact on memory, with findings expected to inform nap policies for young children.
A recent study published in Attention, Perception & Psychophysics found a correlation between pupil dilation and working memory. Researchers at the University of Texas at Arlington discovered that individuals with better working memory had larger pupil dilations during tasks, indicating improved focus and attention.
A new study found that unconscious reminders can strengthen memory, particularly when recalling associations between words and images. Unlike conscious reminders, which can lead to retrieval-induced forgetting, unconscious prompts facilitate a more nuanced process of memory consolidation.
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.
A recent study published in Nature found that smoking has a lasting effect on the immune system, with certain defense mechanisms persisting for up to 10-15 years after quitting. The research used a large cohort of healthy volunteers and identified three key factors: smoking, latent cytomegalovirus infection, and body mass index.
Researchers found that great apes and chimpanzees can recognize groupmates they haven't seen in over two decades, suggesting a shared common ancestor and potentially the longest-lasting nonhuman memory. The study uses infrared eye-tracking cameras to record participants' gazes at images of familiar and stranger bonobos or chimps.
Researchers discovered a striking similarity between AI models and the human brain's hippocampus, which enables powerful AI systems. By mimicking the NMDA receptor's gating process, they improved long-term memory in Transformer models.
A study by the University of Ottawa found that various long-term memory types, such as semantic and episodic memory, rely on the same brain network to varying degrees. The research used neuroimaging techniques to compare brain activity across different memory conditions.
Researchers have identified a shared network of brain regions involved in various types of long-term memory, including general semantic, personal semantic, and episodic memory. The study found that these memory types rely on activating the same areas of the brain at differing magnitudes.
A recent study published in Nutrients found that daily strawberry consumption can improve cognitive performance and reduce depressive symptoms in middle-aged adults. The research, led by Professor Robert Krikorian, suggests that strawberries contain antioxidants and micronutrients that may help mitigate the risk of dementia.
A new study published in Neuron reveals that pericytes, a type of vascular cell, play a vital role in teaming up with neurons to form and store long-term memories. The research found that insulin-like growth factor 2 (IGF2) produced by pericytes enhances memory formation and storage.
Researchers discovered protein p53's role in regulating sociability, repetitive behavior, and hippocampus-related learning and memory in mice. Lowering p53 levels led to changes in gene expressions related to behavior, while elevated p53 levels were linked to positive learning outcomes.
Researchers found that Period 1 gene becomes more active in memory-forming region of brain in daylight hours after learning, playing crucial role in consolidating memories. Mice exhibit improved daytime memory performance compared to nighttime.
Researchers propose a new mathematical neural network theory that consolidates memories to the neocortex if they improve generalization. This view contradicts the classical understanding of systems consolidation, which assumes all memories move from the hippocampus to the neocortex over time.
A new study published in Aging (Albany NY) suggests that prior training can rescue cognitive decline in aging by improving task performance and strengthening memory processes. The research, conducted on rats, found that prior training enhanced short-term and intermediate memory, while also enabling encoding-boosted long-term memory.
A study published in JAMA Network Open found a significant association between food insecurity and accelerated memory decline in middle to older-age individuals. The researchers suggest that exposure to food insecurity in older age may have long-term negative effects on cognitive function.
Researchers found that neural networks grown in a dish can predict future stimulus events, with higher prediction efficiencies in focally stimulated networks. Focal electrical stimulation induced long-term memory traces and reduced dependence on short-term memory.