Articles tagged with Memory Recall
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Researchers at the University of British Columbia found that eyewitness memories are biased against black suspects in drive-by shootings, with incorrect recall rates as high as 80%. This study highlights the potential for wrongful convictions and emphasizes the need to consider eyewitness testimony's limitations in the justice system.
A new UCL study found that bad experiences are strongly remembered, but surrounding context is weakly recalled due to reduced activity in the hippocampus. This imbalance can lead to strong but fragmented memory for traumatic content, contributing to post-traumatic stress disorder symptoms.
A Dartmouth-Princeton study found that people can intentionally forget past experiences by altering the context of those memories. Participants who were told to forget random words showed a 'flushing out' of scene-related activity from their brains, while remembering led to increased recall.
A study by University of Bonn researchers identifies hippocampal astrocytes as key regulators of memory processing, prioritizing new information over stored memories. The discovery sheds light on the cellular causes of dementia and Alzheimer's disease.
A study by Lauren Bussey and colleagues found that rosemary essential oil significantly improved prospective memory in people over 65. Additionally, the scent increased alertness in this age group. The results support previous research on the cognitive benefits of rosemary aroma in healthy adults.
A study by University of Waterloo researchers found that drawing pictures of information improves memory, outperforming other known encoding strategies. The 'drawing effect' was observed, where students recalled more drawn words than written ones, even with poor artistic skills.
Researchers have successfully grown ultra-thin ferroelectric films based on hafnium oxide, which could potentially be used to develop non-volatile memory elements. The films' ferroelectric properties are compatible with silicon technology, paving the way for the creation of new non-volatile memory devices.
Researchers at Georgia State University found that using imagery can improve memory recall and reduce false memories. Participants who created images of list words recalled more words accurately than those who didn't, while also committing fewer errors.
Researchers found that shoppers who brought lists of familiar items relied on memory, while those with uncommon items benefited from walking through aisles to trigger memories. The study suggests bringing a list is key to successful shopping trips, regardless of item familiarity.
Researchers propose expectancy-based binding theory, which suggests that subjects remember features without necessarily attaching them to the target object. This contradicts traditional theories of object-based and feature-based encoding., Attention alone is not enough for accurate memory recall, according to the study.
Researchers found a pathway in the brain linked to forgetting, which erases memories. The study suggests a balance between learning and forgetting is necessary for memory formation.
Researchers used optogenetics to re-grow lost spines and restore memories in AD mice by stimulating engram cells. This method suggests that impaired retrieval of memories underlies early Alzheimer's disease symptoms and highlights the importance of targeted manipulation of neurons for future therapies.
A study by MIT neuroscientists suggests that early-stage Alzheimer's patients can form new memories but struggle to recall them. The researchers used optogenetics to stimulate the cells holding these memories and were able to retrieve them in mice with Alzheimer's symptoms.
Researchers found that brains prioritize high-reward memories, reinforcing them through repetition at rest. This process strengthens connections and helps fix memories in place.
The brain regulates the size of neuronal ensembles that reflect the memory trace to optimize performance, researchers from Université de Genève demonstrate. The study shows that inhibiting or resurfacing a memory can be achieved by targeting neurons in the hippocampus.
Researchers have discovered that young worms can form lasting memories of toxic bacteria smells, using a different set of neurons than adult worms. The study, published in Cell, sheds light on the neural circuits that drive early learning and memory formation.
A recent study from Washington University in St. Louis confirms that about 71% of Americans are fairly certain Alexander Hamilton was a U.S. president. The study found that people's confidence in Hamilton's presidency is high, higher than for six actual presidents.
Cognitive scientists have found that younger and older adults show different brain wave patterns when performing the same memory task. The study used MRI and MEG to track potential age-related differences in brain activity, revealing a surge of theta power in younger adults and alpha oscillatory power in older adults.
A study published in Neuron reveals that different types of memories, including episodic and habitual ones, drive our future behavior. Episodic memories are linked to brain activity in the hippocampus, while habitual memories rely on the striatum, which guides attention in novel situations.
A new study reveals that exposure to algal toxin domoic acid impairs the memory of California sea lions, affecting their ability to navigate and find food. The researchers found structural abnormalities in the animals' hippocampal regions, which corresponded to poorer performance on spatial memory tasks.
A study by Baycrest Centre for Geriatric Care reveals that brain connectivity patterns differ between individuals who remember episodic details versus facts, suggesting a lifelong 'memory trait'. This finding may have implications for understanding aging and brain health.
A recent study by researchers at the University of Toronto found that negative views on aging can negatively impact memory and hearing in older adults. The study suggests that education and training exercises can help improve cognitive and physical performance, dispel stereotypes about aging, and enhance overall quality of life.
Research reveals disrupted sleep in people with epilepsy can impede memory formation, impair cognitive performance, and influence daily life. Studies show links between sleep disturbances and seizure control, as well as the impact of nighttime seizures on memory retention.
Researchers at Stowers Institute discover that Orb2 protein transforms from repressor to activator, solidifying and strengthening memory connections in the brain. This biochemical mechanism may underlie how fleeting experiences create enduring memories.
Researchers found that high-frequency activity in the hippocampus predicts behavioral performance and supports both recollection and familiarity components of recognition memory. The study used direct electrical recordings to test this link.
Researchers found that individuals with depressed mood forgot more number strings when responding to negative information, highlighting the impact of depressive thoughts on memory. The study suggests that this phenomenon may contribute to depression's effects on daily life and cognitive function.
A one-month training program on the Virtual Week computer brain game strengthens prospective memory in older adults, which is crucial for planning and everyday functioning. The study shows that these cognitive gains transfer to real-world activities of daily living, with participants performing more tasks correctly than control groups.
A University of Sussex study reveals that rehearsing information immediately after being given it strengthens memory, as the posterior cingulate region of the brain activates when laying down and rehearsing a memory. This area integrates episodic details into knowledge and understanding, making memories resistant to forgetting.
A study by Professor Victor Boucher of the University of Montreal found that repeating aloud boosts verbal memory, especially when done in a context of communication. The research showed that repeating aloud to someone else increased information recall compared to repeating silently or in one's head.
North Carolina State University researchers have developed two new techniques, MEMST and MeToo, to help optimize memory systems in computer chips. These techniques use performance cloning to assess the behavior of software without compromising privileged data or proprietary code.
A study found that 4- and 5-year-olds who played a video game after a two-day delay scored more than 20 percent higher than kids who re-played it later the same day. The researchers discovered 'delayed remembering,' a phenomenon where children can recall previously forgotten information days later.
Participants focused on inherent traits, rather than external factors, as explanations for wealth disparities. Simple explanations can alleviate feelings of uncertainty and anxiety, leading people to see societal disparities as fair.
Researchers discovered that chronic stress strengthens traumatic memories in the brain, leading to PTSD. Blocking this process with serotonin-blocking drugs may offer a new treatment option for the disorder.
Researchers have identified a condition called aphantasia, where individuals are born without the ability to visualize images. This affects not only memory but also sense perception, leading to difficulties in recalling experiences and emotions.
Johns Hopkins University researchers identified the hippocampus region responsible for distinguishing between familiar and new memories. This finding validates theories about memory processing and may help explain memory impairments in diseases like Alzheimer's, potentially preserving people's memories as they age.
A recent study suggests that victims of sexual assault who were intoxicated during the crime can still accurately report information when interviewed by police. The research challenges the misconception that intoxicated victims are unreliable and may provide less accurate testimony due to alcohol impairment.
Researchers discovered a critical role for extra-synaptic GABA receptors in encoding and storing fear-inducing memories. Activating these receptors can retrieve traumatic memories, offering new potential treatments for patients with psychiatric disorders.
A study published in the Proceedings of the National Academy of Sciences found that the hippocampus represents time and space for at least a month of memories spanning up to 30 kilometers. The researchers used an Android-based smartphone to collect real-life photos, which were later analyzed using fMRI scanning.
Researchers have developed a web-based tool allowing everyday people to record and submit speech errors, including 'tip-of-the tongue' states, slips of the tongue, and malapropisms. This crowdsourced database aims to provide new insights into language acquisition, production, and perception.
A new study published in the Journal of Consumer Psychology reveals that remembering self-control failures can actually lead to repeated failure, rather than improved decision-making. The research found that recalling past successes is more effective in improving self-control, while recalling failures has a negative impact.
Researchers found that the same brain cells are engaged during memory formation and retrieval, challenging long-standing debate. The study used molecular imaging to identify specific cells in the hippocampus responsible for accurate memory performance.
A study published in Cortex found that sleep significantly improves memory accessibility, allowing subjects to recall facts they couldn't remember while awake. After a night's sleep, participants were able to recover unrecalled memories, suggesting that sleep sharpens and makes memories more vivid and accessible.
Researchers found that people with schizophrenia experience relational encoding problems and regional brain dysfunction in the dorsolateral prefrontal cortex and hippocampus. The study suggests a new target area for treatment development to improve memory in individuals with psychosis.
Researchers at MIT developed a new system that makes servers using flash memory as efficient as those using conventional RAM while preserving power and cost savings. The system uses preprocessed data on flash drives to improve distributed computation efficiency.
Researchers at University College London have discovered that when we try to remember a single aspect of an event, our brain reconstructs the entire episode, including details we weren't consciously aware of. This process is made possible by the hippocampus, which associates different aspects of the event and enables pattern completion.
A study suggests that sleep deprivation can prevent the consolidation of traumatic memories, reducing flashbacks. Participants who slept normally experienced more intrusive memories than those who were sleep-deprived.
A group of eight passengers who experienced a terrifying plane scare in 2001 had their brains scanned while recalling the event to study trauma memories. The study found that the passengers showed a remarkably similar pattern of heightened brain activity when recalling both the Air Transat incident and the 9/11 terrorist attacks, sugge...
Researchers found that people remember colors in combination of the actual color and assigned category label, with biases towards categories on borders. This discovery challenges current understanding of color memory.
A recent study published in PLOS Computational Biology suggests that new motor skills memories formed during a single practice session are intrinsically unstable, contrary to previous theories. This finding has implications for our understanding of how motor skills memories are stabilized over time.
Researchers have discovered a set of neurons in the medial temporal lobe that is indicative of an individual's confidence level in their memories. The study found that the activity of these neurons, known as familiarity and novelty neurons, is proportional to confidence, suggesting that they play a key role in assessing memory quality.
Researchers found that subjects could obscure real memories or create false ones on brain scans by focusing on novel features or associating new faces with existing memories. The study highlights the need for more research before applying fMRI technology to high-stakes situations.
Researchers at Georgia State University found that chimpanzees can adjust their behavior based on confidence in their responses to memory tests. The study suggests that chimpanzees share with humans the capacity for metacognitive monitoring, which reflects a form of cognitive control underlying intelligent decision-making across species.
According to a study by the University of the Basque Country, cognitive decline starts at age 20 but may not be noticeable. Episodic memory deteriorates with age, while semantic and procedural memories remain relatively stable or even improve in some cases.
Researchers at Ruhr-University Bochum recreated memory formation in the hippocampus using computer simulations, challenging the existing model. They found that the CA1 region plays a key role in completing memories, while the CA3 region is not as crucial as previously thought.
A study published in Springer's Chemosensory Perception journal found that fragrance preferences are driven by personal emotional memories. The researchers discovered that odor-evoked memories elicit potent emotional responses, influencing customers' likes and ratings.
A Johns Hopkins University-led team discovered that people's brains tend to store colors as one of just a few basic hues, rather than specific shades. This bias affects memory accuracy, making it difficult for individuals to recall the exact color of an object.
Researchers develop method to suppress guilty memories, reducing their impact on behavior and brain activity. The study uses EEG and Implicit Association Tests to demonstrate the effectiveness of suppressing crime-related memories.
Researchers discovered that memories can be retrieved by activating specific patterns of neurons with light, contradicting long-held assumptions about memory consolidation. This optogenetic approach may have implications for treating Alzheimer's disease and other forms of amnesia.
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.