Articles tagged with Memory Recall
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A new study found that traumatic memories in people with PTSD are represented in the brain in a distinct way, deviating from regular memory processing. The hippocampus and posterior cingulate cortex regions showed different neural responses to traumatic and sad autobiographical memories.
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.
Researchers found that learning occurs through continuous formation of new connections between specific engram cells in different regions of the brain. This process allows us to form and store memories, with changes in synaptic wiring connectivity between these cells being a key mechanism for memory storage.
New research from the University of South Australia found that images are more effective at signaling product variety than colors, with only 56% of color choices matching customer expectations. The study analyzed consumer perceptions of 576 products and recommended using images to convey variety and protecting master brand colors.
Researchers at Trinity College Dublin discovered that autism-induced maternal immune response alters brain development and prevents infantile amnesia. Memories formed during infancy can be permanently reinstated through light-activated neural pathways in adults.
A newly developed labeling method allows for visualization of intraregional synaptic connections between inhibitory interneurons and excitatory engram cells. Researchers have identified the role of inhibitory interneurons in memory expression, suggesting that they suppress fear expression by inhibiting fear engram cells.
A research team at the University of Minnesota Medical School has identified the cerebellum as a critical component in coordinating brain networks essential for social recognition memory. This discovery holds promise for the development of targeted therapies for neurodegenerative disorders, which often feature loss of recognition memory.
A new study found that prenatal and childhood exposure to manganese may be beneficial for verbal learning and memory in adolescence. Manganese levels were linked with fewer errors in adolescents, particularly males.
A Cornell University-led study has separated the role of the hippocampus in two functions of memory, which are crucial for associating time, place, and past experiences with future actions. The breakthrough has significant implications for treating memory and learning issues found in Alzheimer's disease and dementia.
Researchers found that the medial septum, a brain area in the center of the forebrain, plays a key role in encoding and retrieval processes. It helps generate gamma oscillations, which are faster for storing and slower for recalling memories.
Researchers found that electrical signals in the hippocampus differ immediately before recalling true and false memories. The study used epilepsy patients to measure neural activity leading up to correct or false recall, revealing a reduction in low-frequency activity associated with contextual similarity.
A recent study published in Journal of Advertising sheds light on the effects of in-stream video advertising on ad information encoding. The research found that mid-roll ads elicit negative emotions but do not affect viewers' purchase intention. In contrast, pre- and post-roll ads have a significant impact on memory formation, highligh...
A study published in Resuscitation found that some patients who suffered cardiac arrest reported lucid memories of experiencing death, while brain activity showed signs of electrical recovery and higher mental function. This new work sheds light on the phenomenon of near-death experiences and may guide the design of new treatments.
A team of researchers identified neural dynamics that our visual system uses to transform what we see into what we do, demonstrating that working memory relies on both what one is storing and why. This new understanding challenges traditional theories of working memory, which state that storage codes are stable over time.
Researchers found that natural forgetting can be reversed in certain circumstances, with memories stored in engram cells still intact but inaccessible. Competition between engrams affects recall, and forgotten memory traces can be reactivated by cues or updated with new information.
A new study by the University of York found that digital puzzle games enhance memory abilities in older adults, similar to those of people in their 20s. However, strategy games did not show the same improvements. The study suggests that brain storage information changes with age, and future research should focus on this connection.
Researchers found that people who imagined planning a heist had better memory the next day compared to those who imagined executing it. Curiosity supercharges memory for paintings seen while pretending to be an art thief.
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.
Researchers developed MemTrax, a continuous recognition test for advanced cognitive impairment screening. The test quickly and accurately quantifies memory processing, storage, and retrieval, providing precise assessments of severity and rate of change over time.
A Stanford Medicine-led study found that children with autism have impaired memory beyond poor facial recognition, affecting other types of information. The research also revealed distinct brain wiring patterns reflecting these memory challenges.
A study led by Dartmouth College researchers found that participants' color memory improved when stimuli were meaningful and part of real-world objects. The results demonstrate that the capacity for visual working memory of colors is more continuous and flexible than previously thought, with better recall of colors in meaningful contexts.
A new study published in PLOS ONE found that kindness meditation improves the retrieval of specific personal memories in people with a history of depression. After four weeks, participants in the meditation group showed increased memory specificity and reduced rumination compared to those in the control condition.
Researchers at the Institute for Basic Science have identified specific neurons in the hippocampus that allow us to recognize individual social counterparts and update their value through interactions. The dorsal CA1 region plays a crucial role in this process, enabling long-term memories of individuals to be formed.
Researchers at the University of Notre Dame found that forgetting occurs when environmental cues fail to trigger one's memory of an intention. They discovered that prospective memory errors can happen to anyone and have serious implications for exonerating parents who mistakenly forget to retrieve their children from cars.
Researchers have identified a molecular mechanism underlying the change from gist-like to episodic memory in mice, suggesting that as interneurons mature, they enable memory specificity. This finding has implications for understanding child development research and conditions affecting the brain, such as autism spectrum disorder.
A new study by Cornell University researchers found that being a woman or racial minority can help someone stand out in memory, but also increases the likelihood of confusion when others share similar attributes. The findings suggest that biases in memory may contribute to discrimination and have significant implications for career adv...
Researchers used functional MRI scanners to monitor brains of subjects watching real-life videos, finding that different parts of the brain work together to understand and remember situations. The study suggests the brain creates mental sketches of people that can be transposed from one location to another.
Researchers used virtual reality to study how memories are selected for long-term storage, revealing the anterior thalamus as a crucial stopover site. Stimulating this region enhanced memory consolidation, while inhibiting it hindered long-term retention.
A new study published in Current Biology found that the hippocampus and prefrontal cortex must synchronize their neural assemblies to support memory encoding, maintenance, and recall. Disruption of this synchronization leads to memory loss, presenting a viable target for therapeutic interventions.
A University of California, Riverside study found that people's memories for celebrity faces are sharper but less accurate than those for non-celebrity faces. This 'variance-bias tradeoff' suggests that humans prioritize precision over accuracy to accommodate the natural variability in face recognition.
Scientists at the University of Florida have discovered that long-term memories are formed through experience-dependent changes in protein sets, which undergo reorganization to encode the brain's circuitry. This finding provides insight into the brain's plasticity and has potential implications for understanding neurological disorders.
A recent study published in Psychological Science suggests that people use event boundaries as 'stepping stones' to scan their memories when recalling specific facts or information. By analyzing participants' responses to questions about film events, researchers found that individuals can scan an entire event in just 1 second and skip ...
A study found that people can recall the location of over 100 objects on a grid with high accuracy, even after removing all images. Additionally, participants localized 60-80% of old items to within +/-10% of their correct time.
Columbia Engineering neuroscientists identified a specific neural mechanism in the human brain that enhances memory for emotional events. High-frequency brain waves in the amygdala and hippocampus are critical to this process, and disruptions can impair memory specifically for emotional stimuli.
Researchers developed HippoCamera, a new smartphone app that significantly improves memory recall by boosting attention to daily events. Users record videos and audio descriptions of everyday experiences, which are then replayed to reinforce memory consolidation.
Researchers have discovered a human-approved medication that can bring back 'lost' memories in mice, suggesting a potential new approach to treating age-induced memory problems or early-stage Alzheimer's disease. The study used optogenetic approaches and the asthma drug roflumilast to revive memories stored in the hippocampus.
Researchers found that clonidine, a common blood pressure medication, can reduce the consolidation of traumatic memories in PTSD patients. By interacting with the adrenergic receptor axis, clonidine interferes with cofilin's ability to form mushroom-shaped dendritic spines, which are essential for memory formation. This suggests that c...
Researchers found that remote fear memories are permanently stored in connections between memory neurons in the prefrontal cortex. The study suggests that a dysregulation of fear memory consolidation can lead to chronic maladaptive fear in PTSD, affecting about 6% of the population.
Researchers at the University of Bonn discovered that people with chronic epilepsy may have impaired dendritic integration, leading to less specific place cell firing and reduced ability to distinguish familiar from unfamiliar places. Administering a sodium ion channel inhibitor improved memory in animal models.
A study published in Science Advances shows that tPBM can improve working memory in people with conditions like ADHD. The therapy, applied to the right prefrontal cortex, showed significant improvements in memory performance and brain activity.
Researchers found adults with attachment anxiety tend to remember details incorrectly more often than people with other personality types. They were more likely to get facts wrong only when they could see the person relaying the information, not when reading or hearing it.
A new study from the University of Kansas found that people tend to have more memories associated with older songs and movie clips, which are often happier and more positive. The researchers discovered that these nostalgic experiences can lead to appreciation for lighthearted entertainment, such as pop music or superhero movies.
Researchers found that reactivating memories during sleep improves memory storage by triggering electrical activity in the brain. The study, led by Northwestern University, used implanted electrodes to record brain activity in five patients while they slept and presented sounds associated with learned objects.
A new study by University of York researchers found that playing sound cues during sleep can be used to help people forget specific memories. The technique, which was previously used to boost memories, has been shown to induce selective forgetting in overlapping memories.
A new study from Dartmouth College found that specific intensities of exercise over a long period are associated with different aspects of memory and mental health. Participants who exercised at moderate intensities performed better on episodic memory tasks, while those who exercised at high intensities did better on spatial memory tasks.
Researchers discovered an electric signal in the hippocampus triggered by novelty, inducing a transition from memory to learning states. The signal may work as a switch to enable the brain to balance forming new memories and recalling familiar ones.
Despite previous assumptions, researchers found no correlation between highly superior autobiographical memory and enhanced creative thinking. Instead, they suggest that these individuals may be overly focused on consolidating autobiographical events, potentially hindering creative processes.
A new study identified a specific enzyme, PDE11A, responsible for memory loss in social interactions with age. By manipulating this enzyme, researchers may develop therapies to prevent or reverse age-related cognitive decline.
A new study published in Journal of Experimental Psychology: General found that using digital devices as external memory can improve memory skills. Participants who used digital devices to store information showed improved memory for both saved and unsaved information, with a notable increase in recall of less important details.
A new study led by researchers from the University of Michigan and Penn State College of Medicine compared two approaches for people with early form of memory loss: mnemonic strategy training and spaced retrieval training. Mnemonic strategy training showed increased brain activity in areas often affected by Alzheimer's disease, while s...
A new study found that individual details of a memory are parsed and stored elsewhere, in the prefrontal cortex. This separation ensures that exposure to any cue is sufficient to activate the prefrontal cortex for recall of the whole memory.
Researchers found that frog-eating bats could recognize ringtones indicating a food reward up to four years later. The bats learned to associate specific tones with rewards and were able to recall these associations even after long periods of time.
A new study found that individual memory details are parsed and stored in the prefrontal cortex, while overall experiences are stored in the hippocampus. This separation enables efficient recall of memories triggered by specific cues.
Researchers found brain ripples in all areas of the human cortex, synchronizing distant elements of memory upon recollection. The ripples involve brief, high-frequency oscillations that promote neural interactions and potentially support interaction between distant locations.
Researchers found that frog-eating bats trained to associate a phone ringtone with a tasty treat could remember what they learned for up to four years in the wild. The study, led by May Dixon at Ohio State University, used 49 bats and introduced three other ringtones without food rewards.
A team from Nagoya University created an artificial neural network model that performed the delayed matching-to-sample task and analyzed its behavior. The model was able to evolve to exhibit human-like metamemory, adapting to its environment by learning and evolving. This breakthrough aims to create machines with memories like humans.
Researchers discovered that stress neurotransmitter norepinephrine stimulates a specific population of inhibitory neurons in the amygdala to generate a repetitive bursting pattern of electrical discharges. This leads to the formation of fear memories, which can be difficult to forget due to their association with traumatic experiences.
Research suggests that during deep sleep, neurons representing related items fire in close temporal order, triggering synaptic plasticity and forming strong connections. This process strengthens or creates new relational memories, which can be essential for learning connections between objects or people.
Researchers at West Virginia University are studying the mechanisms behind Alzheimer's disease and PTSD, using animal models to investigate how stressful events affect brain cells. They aim to understand the role of estrogen and high-cholesterol diet in developing the disease.