Articles tagged with Memory Recall
A study published in PNAS found that theta oscillations in the human brain, generated by the hippocampus, play a crucial role in active learning and memory formation. Active navigation improves learning efficiency, while two consecutive phenomena, encoding and retrieval, are facilitated by theta phase code.
New research published in JNeurosci found that recalling similar memories triggers divergent brain activity patterns, resulting in better memory performance. This study suggests that the brain exaggerates differences between similar events, which can be advantageous in distinguishing between similar things and preventing confusion.
Researchers developed a computer program to create geometric shapes from video sequences, comparing them to participants' recounted experiences. The study found that people tend to remember major plot points accurately, while finer-scale details are distorted or forgotten.
A Northwestern University study uses brain stimulation to improve memory for everyday activities, replicating how memory works on a day-to-day basis. The findings have implications for developing effective ways to improve real-world memory.
Researchers found that newborn mice can recognize their mothers and prefer them over unfamiliar mothers, a preference that lasts into adulthood. The ability to form these memories is linked to the CA2 region of the hippocampus and is essential for long-lasting social interactions.
A study by Scripps Research has discovered a memory gating system employing dopamine to direct transient forgetting, a temporary lapse of memory that spontaneously returns. The mechanism was found to be separate from long-term memory recall.
A new UCLA study suggests that our brains generate a common code to mark where other people are in relation to ourselves. The research, published in Nature, used brain electrodes to observe how patients navigated physical spaces and monitored others nearby.
Researchers found that early testing after a crime improves accuracy and reduces forgetting. The study also showed a positive correlation between remembering peripheral details and the central memory of the perpetrator.
Researchers found that testing long-term memory recall predicted cognitive decline in healthy older people more accurately than classic memory tests. The study also showed that combining this test with an MRI brain scan improved accuracy in predicting Alzheimer's disease risk.
Researchers found that people can recall past events with a high degree of accuracy (94%), despite age and time, suggesting that the stories we tell about past events are generally accurate.
A study published in PNAS found that stronger initial memories are easier to update with new information, allowing for better comprehension and adaptation. Older adults showed poorer memory performance but more confidence in their recall, possibly due to relying on general, generic responses rather than specific situational features.
Researchers found that individuals with lower sustained attention ability and those who engage in heavy media multitasking perform worse on memory tasks. By monitoring pupil size and brain activity, scientists can predict whether an individual will remember or forget.
New research suggests that reminding people of past misinformation can help protect against remembering it as true and improve recollection of real-world events. This technique may be beneficial in combating the spread of misinformation.
Research suggests that genetic information can lead to over-diagnosis of depression, as individuals are more likely to recall their symptoms as severe when aware of their genetic predisposition. The study also found no correlation between genetic info and the actual severity of symptoms.
A USC study found that the hunger hormone ghrelin affects animals' eating frequency and memory. Rats with disrupted ghrelin signaling to the vagus nerve ate more frequently and gained weight, indicating impaired episodic memory.
Researchers found that epigenomic modifications, specifically changes to chromatin structure, control the encoding and retrieval of memories. The study reveals a four-stage process where genes become activated and primed for expression during memory recall.
Researchers found that warnings about inaccurate information decreased susceptibility to misinformation. Warnings were effective whether delivered before or after the misinformation, and participants displayed increased brain activity related to the original event.
Researchers at Tufts University found that warning witnesses about the threat of misinformation can significantly reduce its negative impact on memory. The study revealed that warnings can protect memory from misleading information by influencing reconstructive processes during memory retrieval.
A study shows that friends who swap bodies experience changes in their self-perception and memory, highlighting the connection between our mental and physical selves. Participants who fully embraced their friend's body performed better on memory tests than those who felt disconnected from their own body.
A study published in Child Development found that babies can't always remember what they've learned due to fluctuations in their internal state. Research suggests that changes in mood affect learning and memory in infants, particularly when recalling experiences from a different emotional state.
Infants as young as 12 months old encode and remember objects differently depending on whether an object is named as a member of a category or as a unique individual. Research found that applying distinct names to each object enhances infants' encoding of distinctions among the individual objects, leading to better recognition memory.
A specific gene, NTRK2, is associated with reduced PTSD risk after traumatic experiences, leading to weaker and less severe memories. The study's findings suggest that increased regulation of this gene may reduce memory formation and lower the risk of developing PTSD.
Researchers found that infants who heard different names for each animal successfully recognized most of the training animals. Infants who heard the same name for all animals had difficulty recognizing the training animals due to lack of individual differences recognition.
Recalling memories from an observer-like perspective activates different brain regions than recalling through one's own eyes. This new research suggests that adopting this viewpoint may aid in therapeutic treatments by reducing the intensity of emotions associated with troubling memories.
An fMRI study found that older adults' brain activity while experiencing event boundaries is similar to younger adults', but with some differences. The study suggests that older adults may process events in different ways, focusing on broader contextual information rather than specific details.
Dr. Tomás Ryan has received a highly prestigious award from the Lister Institute of Preventive Medicine to pursue research into infantile amnesia and its effects on learning. The prize will support his work on understanding the neurobiology of memory loss in early childhood.
Researchers used computational models to examine how sleep encodes new memories while preventing damage to old ones. The study suggests that memories, even old ones, are dynamic and constantly updated during sleep, which helps prevent forgetting and increases recall performance.
A research group from the University of Bologna developed a new protocol that combines fear conditioning with neurostimulation to modify aversive memories. Participants who underwent TMS sessions showed reduced psycho-physiological responses to unpleasant stimuli, indicating successful alteration of fear memory persistence.
Researchers have discovered that synchronization of brain neurons is critical for establishing fear memories, which can become too strong in people with PTSD. The study found that synchronized neurons are more likely to be recalled from memory.
A new study finds that people with face blindness use different memory processes for face recognition, relying on familiarity rather than recollection. The research suggests that successful facial recognition requires more than a vague familiarity with a face.
A new study suggests that older adults spontaneously share fewer memories of their past experiences, with less detail in descriptions. Researchers analyzed daily conversations using a smartphone app and found this decline to be age-related, possibly linked to brain changes.
Researchers found that brains use common words like 'pig' and 'tank' more often when recalling memories, suggesting a neural network connection. The study used memory tests, brain wave recordings, and surveys to support the idea that brains search for memories like search engines track information online.
A study published in Science identifies neurons in the frontal lobe that help retrieve memories and make decisions based on those memories. The researchers used implanted electrodes to record neuron activity in patients undergoing brain surgery for epilepsy treatment.
Researchers have identified neural networks behind conscious recollection of information, shedding light on how memories are retrieved for decision-making. The study found that specific neurons in the medial frontal cortex coordinate with those in the hippocampus to create 'memory pathways,' which are selectively switched on when needed.
A new study from UNSW Sydney found that people with aphantasia, a lack of mental visual imagery, experience changes in other cognitive functions. They reported reduced ability to remember past events, have less vivid dreams and struggle with imagination. The research highlights the complexity of aphantasia and its impact on daily life.
Research at DZNE reveals that experience encoding neurons interfere with memory containing neurons, disturbing recall of memories. Healthy mice and those with Alzheimer-like pathology were used to explore novel environments, showing a difference in brain activity.
Researchers at the University of York found that memories for specific locations are either totally forgotten or precisely recalled. The study showed that forgetting involves losses in memory accessibility without changes in precision.
Researchers discovered that memory recall processes in older adults resemble those in younger populations, but for those who struggle to remember, brain activity patterns are diminished. Stronger hippocampal activity and replay in the cortex were linked to better memory performance, regardless of age.
Researchers from the University of Warwick and the University of Waikato found no evidence that Sans Forgetica boosts memory. Four experiments involving over 882 people showed that the font promotes a feeling of disfluency but does not improve learning, contradicting previous claims.
A new study reveals that the brain can update poorly formed memories with incorrect information, leading to inaccurate recall. The research suggests targeting updating mechanisms therapeutically to treat memory and anxiety disorders.
Researchers found a phenomenon called 'epigenetic resetting' in plant sperm that erases histone modifications, allowing seeds to forget their environment. This mechanism is similar to data erasure on hard drives and is essential for plants to adapt to changing conditions.
A team of scientists discovered that plants reset their epigenetic memory by removing the H3K27me3 histone mark from sperm, allowing seeds to remember only their mother's environment. This process is crucial for seed development and ensures proper flowering times.
Researchers at KU Leuven discovered that Neuromedin U allows the brain to recall negative memories and learn from past experiences. The protein acts as a signalling molecule enabling neurons to communicate with each other, leading to the association of unpleasant stimuli with future avoidance.
Researchers discovered that bacterial cells stimulated with light remembered exposure hours later, laying groundwork for memory-capable biological systems. The study reveals surprising similarities between low-level bacteria and complex neuronal processing.
Research from Stanford University finds that stress hinders development of informed plans by preventing the use of memory to project oneself forward. Stress can rob individuals of the ability to draw on cognitive systems underlying memory and goal-directed behavior, leading to reduced planning efficiency.
Scientists from Boston University's Center for Systems Neuroscience found that scents trigger memories even years later and can reinvigorate forgotten details. The study suggests using odors as a therapeutic tool to treat PTSD and other mental health conditions.
Researchers at Tel Aviv University and Weizmann Institute of Science developed a new sleep method that uses smell to strengthen memory retention in the brain. The technique, which administers a specific scent to one nostril, has shown promise in boosting memory consolidation during sleep.
Researchers analyzed brain cell firing patterns while patients learned word pairs, discovering unique sequences associated with learning and a similar replay pattern before successful recall. The study suggests that brains use distinct neural firing patterns to store memories and then replay them when recalling past experiences.
Researchers at Baycrest's Rotman Research Institute found that participants' eye movement patterns could predict mistakes in memory. They used an innovative eye tracking technique to map the participants' eye movements and observe pattern completion.
A new study found that testing enhances both memory and the ability to make inferences about subject matter. The researchers tested participants with either rote restudy or testing, and found that testing improved long-term memory and inference over a period of 25 days.
Research by University of Kent found that moderate intensity exercise, such as brisk walking or cycling, significantly benefits long-term memory performance. The study suggests that moderate exercise is a more effective approach than highly strenuous exercise for improving memory.
A study by UNIGE and CY Cergy Paris University reveals that our memory organises experiences based on structural features, rather than superficial similarities. This finding has significant implications for education, highlighting the need to focus on conceptual aspects of situations to help pupils make use of relevant features.
A recent study has shown that microglia regulate forgetting in the adult brain by weakening and eliminating synapses connecting engram neurons. Inhibiting microglial activity or depleting them prevents forgetting, while intact microglia facilitate the dissociation of engram cells, leading to memory erasure.
Focusing on neutral details of a scene can weaken later memories of a disturbing event, according to a new study. The findings could lead to the development of methods to increase psychological resilience in people who experience traumatic events.
A new study has identified the population of brain cells responsible for fear extinction training, discovering that these neurons are also activated by feelings of reward. The study suggests that fear extinction is equivalent to receiving a reward, providing potential therapeutic targets for treating anxiety disorders like PTSD.
A study from Scripps Research reveals that memories are stored in two forms: intermediate-term memory and protein-synthesis dependent long-term memory. Silencing specific genes, Ras and Raf, enhances intermediate-term memories while eliminating long-term memory performance.
Experiments in rodents reveal engrams exist as multiscale networks of neurons, forming complex networks for memory storage. Engram cells can be manipulated through synaptic plasticity and dendritic spine formation, allowing for the retrieval and persistence of memories.
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.
Researchers identified a gene in mice that influences memory recall at different times of day, causing mice to be more forgetful just before waking up. The study found that the circadian clock regulates memory retrieval via dopamine and PKA-induced GluA1 phosphorylation.
A team at RIKEN Center for Brain Science analyzed mouse brain activity using machine-learning algorithms, identifying distinct brain waves for recent and remote memories. They found a strong link between the frontal brain region and hippocampus, suggesting a possible mechanism to track memory age.