Articles tagged with Memory Recall
Researchers at MIT have successfully reactivated lost memories in mice using optogenetics, revealing that memories are stored in a circuit of multiple brain areas and interconnected engram cells. This breakthrough challenges the long-held storage theory and proposes a new concept of memory consolidation.
Researchers from the RIKEN-MIT Center for Neural Circuit Genetics demonstrated that traces of old memories remain in the amnestic brain and can be reactivated, allowing lost memories to be found. The study suggests that past memories may not be erased but lost and inaccessible for recall.
Researchers found that snails vary in their ability to remember and respond to training, with those good at one type of memory being poor at others. The study reveals that there is no universally smart snail, but rather individuals are smart at some things but not everything.
A study published in Neuron found that people tend to prefer snacks they can recall better, even if they are less attractive. The researchers used fMRI scans and mathematical modeling to understand how memory influences decision-making, revealing an increase in communication between the hippocampus and ventromedial prefrontal cortex.
A new study reveals cannabis consumers have a less active hippocampus and are more susceptible to false memories. Chronic use of cannabis can accentuate age-related memory problems.
Cognitive scientists identified three middle-aged adults with SDAM, who lack personal recollection of past events but can learn and recall information normally. Brain imaging revealed reduced vividness and activation in midline brain regions, as well as a subtle volume reduction in the hippocampus.
A team of Northwestern researchers has made a breakthrough in memristor technology, creating a three-terminal device that can be widely tunable. This innovation brings us closer to brain-like computing, which could revolutionize the way we process information.
In a groundbreaking study, researchers used optogenetics to artificially associate the memory of a foot shock with an unrelated environment, triggering increased fear-related behavior. The findings suggest that co-activated cell ensembles can link two distinct memories, paving the way for new treatments of psychiatric disorders.
A new study by UCLA psychologists found that almost none of their subjects could accurately draw the Apple logo from memory. Only one student correctly reproduced the logo on a blank sheet of paper.
Researchers at Saarland University found that even brief power naps (45-60 minutes) can significantly improve retention of learned material in memory. Memory performance remained constant after sleeping, but participants recalled information better than those who didn't nap.
A new study using brain imaging shows that intentional recall can lead to the suppression of competing memories, altering their accessibility. The research found that remembering dynamically changes which aspects of our past remain available, and this mechanism is not limited to specific memory types.
Researchers found that bumblebees can create false memories by combining features of previously seen stimuli. This phenomenon is similar to human memory conjunction errors and may be an adaptive mechanism to help animals respond in new situations. The study suggests that false memories may be widespread in the animal kingdom.
Researchers at Vanderbilt University discovered a specific region of the brain that signals when a memory is being retrieved with high detail, enabling the prediction of recall order. This finding has significant implications for understanding and preserving memories in individuals with diseases like Alzheimer's.
In a study published in Nature, NYU researchers found that emotional learning can strengthen older memories by selectively preserving previously insignificant information. Participants were shown images of animals and tools, with some receiving shocks to make certain categories emotionally meaningful. Memory for these images was better...
Scientists tested 100 undergraduate students in a memory experiment and found that even simple pieces of information were often forgotten when not expected. However, participants performed better when the information was relevant to their current task. This suggests that people's expectations play a significant role in determining what...
A recent study suggests that brain circuitry for fear retrieval shifts over time, potentially worsening symptoms of anxiety disorders. The discovery could change scientists' view of post-traumatic stress disorder and inform the development of new treatments.
A study found innocent adults can be led to believe they committed serious crimes, including assault with a weapon, over the course of a few hours. Participants developed detailed false memories after being interviewed and encouraged to recall events.
Researchers at York University have discovered a new physiological system that continuously updates the remembered location of visual targets. This finding suggests that continuous updating of signals could emerge in other visuomotor areas of the brain.
Researchers at SISSA found that re-enacting emotional expressions through facial movements enhances memory recall of corresponding emotions. This suggests motor information is encoded during storage and retrieval phases.
A study found that premature birth impairs a subtle but important aspect of memory: recalling context, such as what, when, and where. The hippocampus region is smaller in preterm children, affecting contextual recollection-based retrieval.
Research suggests that saving previous information helps free up cognitive resources, improving memory for new information. By 'offloading' old data, individuals can allocate mental resources to learn and remember new material.
A recent study from Ohio State University found that people's math skills are not always a single concept. Research suggests that individuals may have varying levels of numeric competency in areas such as objective numeracy, subjective numeracy, and symbolic-number mapping.
A study published in the Proceedings of the National Academy of Sciences found that rats can create a unique map for every environment, allowing them to remember distinct locations without mixing up similar events. This discovery sheds light on the brain's storage capacity and memory organization.
A study by researchers from Kessler Foundation and Children's Specialized Hospital found that retrieval practice can improve memory in children and adolescents with TBI. This method was found to be the best learning strategy for each of the participants, improving learning and memory among this age group with TBI.
A study suggests that most American presidents are destined to be forgotten within 50-100 years of their serving as president. By 2040, Americans will probably remember as much about Jimmy Carter and Ronald Reagan as they do about Millard Fillmore.
A large international study has discovered two common genetic variants associated with memory performance. The findings, published in Biological Psychiatry, suggest that these genetic variants may play a role in the development of age-related memory decline and dementia.
Babies as young as five months old can recall positive emotional interactions with caregivers, but struggle to remember negative ones. Researchers used eye-tracking tests to measure infant memory, finding that happy voices and emotions significantly improved shape recognition and recall.
A recent study of approximately 1,000 healthy men found that those who consumed the most trans fats showed notably worse performance on a word memory test. The strength of the association remained even after taking into consideration things like age, education, ethnicity and depression.
A University of Illinois study found that couples in trouble with their relationship tend to distort their memories, whereas those moving toward marriage remember their journey accurately. This distortion helps them cope with the psychological implications of staying in a stagnant relationship.
A recent study published in the Journal of Experimental Psychology: Learning, Memory, and Cognition found that making meaningful errors while learning can benefit memory. When participants made near-miss guesses related to the correct answer, they performed better on later memory tests. In contrast, random or unrelated mistakes hindere...
Researchers showed subjects a list of positive and negative words, then asked them to walk on a treadmill while measuring their gait and posture. The study found that those who walked in a depressed style recalled more negative words from the earlier list, suggesting a link between walking style and mood.
Scientists at UC Davis used optogenetics to erase specific memories in mice, showing coordinated activity between the cerebral cortex and hippocampus during memory retrieval. The study confirms a long-standing idea about memory processing, providing new insights into how the brain functions.
Researchers have created a novel technology to simulate the hippocampus, a key region in memory formation. By analyzing the 3D model, they found that the hippocampus' shape and size can explain why neurons fire at specific frequencies.
A team of researchers will study the complex connections between brain cells that allow us to make and retrieve lasting memories. The project aims to build a complete computational model of a neural network in vertebrates using experimental data, with potential transformative insights into mammalian brain abilities.
A UCI study reveals that brain inflammation can severely impact the ability to retrieve complex memories, but not simpler ones. Researchers found that immune system signaling molecules called cytokines disrupt communication among neurons in the hippocampus, leading to impaired discrimination memory.
New research reveals that capturing ordinary experiences can lead to pleasurable rediscoveries in the future. Studies show that people underestimate the value of everyday events, leading to missed opportunities for enjoyment. By documenting mundane moments, individuals can give their future selves the joy of rediscovery.
Researchers found that the hippocampus, a brain region essential for memory, has a bidirectional flow of activity, rather than just unidirectional. This discovery opens up new avenues for understanding neural circuitry and dynamic mechanisms controlling memory.
Researchers at McLean Hospital found that xenon gas can reduce memories of traumatic events, potentially treating post-traumatic stress disorder (PTSD) and other memory-related disorders. The study used an animal model to demonstrate the effectiveness of xenon in blocking fear responses for up to two weeks.
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.
Researchers distinguish pure imagination from related processes like remembering using MRI experiments, finding distinctive brain activity patterns. The study contributes to the debate over whether memory and imagination are separate processes.
The study reveals that the hippocampus can freely associate with either positive or negative emotions, while the amygdala is hard-wired for specific experiences. This flexibility may help explain the success of behavioral therapy for phobias and PTSD, and suggests novel treatments for depression and other disorders.
Researchers at Baycrest Centre for Geriatric Care studied the memories of 15 Air Transat passengers who experienced a life-threatening emergency in 2001. They found that those with PTSD recalled more external details, not just specific events, suggesting altered memory processing may be a vulnerability factor.
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.
Researchers found that rule monitoring, an executive function, facilitates more accurate prospective memory in individuals with traumatic brain injury (TBI). The study identified predictors of prospective memory deficit post-TBI and highlights the importance of including rule monitoring in clinical assessments.
A UC Davis memory researcher has received a $2.6 million fellowship from the U.S. Department of Defense to explore neural oscillations in brain regions involved in forming and retrieving memories. The project aims to develop new methods for assessing memory function, boosting learning, and rehabilitating soldiers with brain injuries.
A recent study found that consumers are willing to pay more for products when thinking about the past, rather than new or future memories. The researchers also discovered that nostalgia can weaken a person's desire for money, making them more likely to donate or give more to others.
Chinese researchers discovered that people with major depressive disorder have impaired self-face recognition, including increased self-focus and sensitivity to the self-face. This impairment cannot be attributed to medication status and suggests that depression is associated with abnormal self-bias.
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.
Researchers found that African Cichlids demonstrated complex behaviors and recalled previous training experiences after 12-day rest period. They showed a distinct preference for the area associated with food reward, suggesting advanced memory capabilities.
A study by UC Irvine neurobiologists found that repetition learning enhances factual content but hinders nuanced aspects of memories. This technique reduces the amount of detail stored with those memories.
Recent memories are stored in a distributed manner throughout the hippocampus, with small fractions of cells responding to individual words. The study provides new insights into how the brain represents memory and may lead to better treatments for neurological conditions like Alzheimer's and epilepsy.
The 2014 Kavli Prize winners made significant contributions to our understanding of cosmic inflation, nano-optics, and brain networks. Their discoveries have revolutionized fields like astrophysics, nanoscience, and neuroscience.
Recent studies have shown that memory is composed of two distinct forms: episodic memory, dependent on the hippocampus, and semantic memory, reliant on the neocortex. The 'multiple trace/transformation theory' proposes that memories are re-encoded with each retrieval, leading to a transformation from context-rich to general memory.
A study by Princeton University's Woodrow Wilson School found that Americans' motivation to remember information that absolves American soldiers of atrocities alters their memories. The researchers reported that participants were more likely to remember justifications for atrocities committed by American soldiers than those committed b...
A study found that theta-band activity in the hippocampus is crucial for learning, with training in its absence facilitating learning. Uniform neural states also act as a context for learning.
Researchers found that participants were more likely to forget justifications for atrocities committed by Afghan soldiers than American soldiers. However, they showed no memory impairment for unrepeated justifications when the perpetrator was American, highlighting the role of in-group membership in shaping memories.
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.
Neuroscientists at the University of Texas at Austin found that neurons in the brain tune into different frequencies of gamma waves for various spatial memory tasks. The research suggests that fast gamma waves promote encoding of recent experiences, while slow gamma waves support memory retrieval.
Researchers at Salk Institute develop a new model of memory that explains how neurons retain select memories hours after an event. The framework bridges findings from both molecular and systems observations, predicting which memories are recorded based on spatial positioning of proteins.
Infants who nap are better able to apply lessons learned, while preschoolers retain knowledge after napping. Sleep enables babies and young children to learn language over time by reactivating memories during sleep.