Articles tagged with Short Term 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.
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 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.
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.
Researchers mapped dynamic cellular mechanisms of memory formation, storage and update, revealing new insights into encoding experiences in the brain. Memories are stored through biophysical changes in neuronal ensembles, which can be manipulated to induce recall.
A study published in PNAS found that short-term timing patterns of past brain activity are the primary determinant of sleep spindle timing, accounting for over 70% of its variability. These individualized patterns change with age and provide a new target for understanding how sleep supports memory.
A new study suggests that exercise can improve cognitive performance for up to 24 hours after a single day of moderate to vigorous physical activity. The study found that participants who spent more time being active and had better sleep quality performed better in memory tests the next day.
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 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.
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.
A groundbreaking study introduces a novel multi-agent reinforcement learning approach to manage air mobility demand in densely populated urban areas. The proposed system ensures safe and efficient navigation through complex airspace using sophisticated algorithms.
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 blended antioxidant supplement improved spatial learning ability and short-term memory in supplement-treated aged mice. The discovery suggests that the supplements may also prevent age-related cognitive decline in humans and mitigate muscle frailty.
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.
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 from the University of Ottawa found that sleep deprivation significantly impacts decision-making processes, reducing neural responses to winning and losing outcomes. This can lead to diminished positive emotions in response to winning and negative emotions when faced with losses.
Middle-aged Chinese surgery patients experience subjective cognitive impairment within 12 months after surgery, with identified risk factors. Preoperative psychological interventions and optimized perioperative management may help prevent postoperative cognitive impairment.
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 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.
Researchers develop an ionic device utilizing redox reactions to achieve a high number of reservoir states, enabling efficient complex nonlinear operations. The device demonstrated remarkable performance in solving second-order nonlinear dynamic equations and predicting future values with low mean square prediction error.
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.
A study by University of California, Riverside found that older adults are less likely to ignore distractors in their surroundings while engaging in a cognitive task and an effortful physical task. This decline is greater when simultaneously performing a physical task, such as driving or carrying grocery bags.
A virtual yoga program led by Sean Mullen reduced stress and anxiety in full-time working adults, improving short-term memory. The study used moderate-intensity yoga sequences to investigate its benefits for executive functioning and adherence to exercise programs.
New research shows that rhythmic brain activity helps organize transient bursts of activity in the brain to maintain short-term connections. Brain rhythms coordinate overlapping populations of neurons to store different pieces of information at the same time.
Researchers found that obstructive sleep apnea (OSA) can cause premature cognitive decline in middle-aged men, including poorer executive functioning and social cognition. The study suggests that OSA itself is sufficient to cause these deficits, rather than being solely attributed to co-morbidities.
Research reveals people misremember events in just seconds, altering memories to suit their expectations. This distortion can significantly impact perceptions of reality.
A new study identifies the anterior thalamus as a key brain region linking short-term to long-term memory. The thalamus plays a crucial role in memory consolidation, stabilizing memories from the hippocampus into long-term storage in the cortex.
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 novel deep learning-based forecasting model predicts uncertain parameters related to renewable energy sources, their energy demand, and market prices. The model demonstrates improved prediction accuracy and efficiency compared to existing methods.
A new study found that obeticholic acid can reverse cognitive impairment in patients with cholestatic liver disease, improving short-term memory and restoring brain function. The study used a rodent model of bile duct ligation-induced cholestasis and found that the drug significantly improved cognitive deficits.
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 created a detailed map of the hippocampus's connections to the rest of the brain, finding fewer links with frontal lobes but more with visual networks. This discovery may change how we think about human memory and cognition, potentially shedding light on why some primates excel at certain memory tasks.
A study by Ural Federal University found that daytime naps and wakefulness both reinforce the formation of fear memories in response to emotional trauma. This research has significant implications for developing strategies for rehabilitating individuals with anxiety disorders.
A new theory by UMass Amherst sleep scientist Rebecca Spencer suggests that young children's brain development, not age, determines when and why they stop napping. The hippocampus, a memory area of the brain, plays a critical role in nap transitions.
Researchers used a neural network model to study how brain regions interact during sleep. They found that the hippocampus and neocortex work together to convert fleeting information into long-term memory. The findings suggest that alternating between REM and slow-wave sleep stages is crucial for strong memory formation.
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.
Researchers at the University of Kansas have discovered a promising new basis for active immunization against Alzheimer's disease. By injecting a recombinant methionine-rich protein into mice with the disease, they were able to improve short-term memory and learning abilities by up to 50%. The treatment also showed potential in reducin...
Researchers identify a neural circuit in midbrain, thalamus, and cortex that orchestrates neuronal activity to trigger planned movement. The discovery has important clinical implications for motor disorders like Parkinson's disease.
A new study reveals that some gifted dogs can learn up to 12 new toy names in just one week and remember them for at least two months. The researchers tested these talented dogs as part of the Genius Dog Challenge, a series of live broadcasted experiments.
A new Northwestern University study reveals that the hippocampus is not just essential for long-term memory but also supports short-term memory and guides decision-making. The findings suggest that the hippocampus uses short-term memory to inform where we look, priming our visual system to learn and reevaluate our environment on the fly.
A team of researchers has found that visual short-term memory retains multiple types of information, including color, texture, and name, in a single phase. This challenges previous assumptions about the complexity of visual short-term memory and highlights the importance of complex brain activity analysis.
Scientists at the University of Basel have identified a key protein regulating long-term memory, found to decline with age. By studying roundworms, they discovered that a molecule called MPS-2 plays a central role in intact long-term memory and is also involved in age-related memory loss.
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.
A new study in mice identifies a critical gene for short-term memory that functions in the thalamus, not traditionally associated with memory. Disabling this gene enhances working memory in low-performing mice.
Researchers have discovered a possible physical trace of short-term memory, known as an engram, in the brain's synapses. The study found that vesicles containing neurotransmitters are stored at the pre-synaptic terminal after a granule cell fires, inducing plasticity and strengthening communication between neurons.
Researchers at Goethe University Frankfurt found that mistakes in short-term memory, such as misperceiving the motion direction of dots, contribute to our ability to recognize and integrate visual information over time. This 'blurring' of perception helps us perceive a stable environment despite constant changes.
Researchers at NUS used machine learning tools to discover that stable information can be found within the changing neural population code in the frontal lobe. This finding has broader implications for understanding cognitive flexibility and multiple brain regions interacting with each other.
Researchers at Harvard Medical School have decoded how visual inputs alter the activity of compass neurons in fruit flies, maintaining an accurate sense of direction. By studying the brain's response to visual cues, the team found that R neurons inhibit compass neuron activity in a spatially specific manner.
Researchers at the University of Nottingham found that drivers often forget seeing approaching motorcycles, leading to fatal crashes. In experiments using a driving simulator, drivers failed to recall critical approaching vehicles on up to 15% of occasions.
Researchers used AI to train neural networks on complex behavioral tasks, revealing two distinct processes involved in short-term memory. These processes include a 'silent' process where the brain stores memories without ongoing neural activity, and a more active process where circuits of neurons fire continuously.
A new study investigated the impact of high altitude exposure on short-term memory, identifying effects on spatial and verbal memory. The study found that high altitude exposure can lead to deficits in these aspects of cognition, affecting daily functioning.
A recent rat study published in the Endocrine Society's journal found that hysterectomy can cause short-term memory loss in rats. Removing the ovaries alongside the uterus did not result in a similar impairment, suggesting a unique negative effect of hysterectomy on brain function.
A recent study found that the cerebellum plays a crucial role in cognitive functions, including short-term memory. The research team discovered that activity in the cerebellum during periods of stillness was linked to memory activity in both the frontal cortex and other parts of the brain.
A study by University of Warwick and Fudan University found strong connection between brain regions associated with short-term memory, self, and negative emotions in depression sufferers. This connection leads to increased rumination thoughts impairing sleep quality.
A single molecule expressed in the brain affects how we learn new tasks and acquire new memories. Mice with a mutated Arc protein showed cognitive inflexibility, highlighting the importance of proteins being switched on and off at the correct times.
Research conducted with 147 Dutch children found that structured music lessons significantly enhance cognitive abilities, including language-based reasoning and short-term memory. Visual arts classes also showed a benefit, improving visual and spatial short-term memory.
A recent review found that mindfulness strategies can immediately reduce cravings for food and drinks, as well as substance use. The research suggests that these strategies work by occupying working memory, leading to extinction processes that eventually result in reduced cravings.