Articles tagged with Cognition
The study found that humans and AI systems interact with flexible and incremental learning modes similarly to working memory and long-term memory in humans. Quicker, flexible in-context learning emerges after a certain amount of incremental learning has taken place, similar to human learning.
A study by Waseda University researchers found that cultural cognitive biases impact the explicit aspects of visuomotor adaptations, influencing motor learning outcomes. The findings suggest that verbal reports used in rehabilitation and sports training may be misinterpreted due to cultural prejudices.
Researchers developed a new tool to measure language learning strategies of Japanese university STEM students. The Strategy Inventory for Language Learning-STEM (SILL-JP/STEM) assesses six categories of learning strategies, revealing insights into students' behaviors, including underutilized affective strategies.
A new study published in JAMA Network Open found that toddlers in the US experienced slightly fewer emotional and behavioral problems during the COVID-19 pandemic. The research, which analyzed data from over 3,000 children, suggests that some toddlers may have shown resilience during this time.
A new study reveals that Alzheimer's progression is characterized by a breakdown of epigenomic stability, leading to compromised compartmentalization and the loss of gene regulation. The research provides insights into the molecular mechanisms driving disease progression and resilience, shedding light on potential new treatments.
A new brainwave test developed at the University of Bath has been shown to detect signs of memory impairment linked to Alzheimer's disease years before clinical diagnosis. The Fastball EEG technology, a three-minute passive test, can reliably identify memory problems in people with Mild Cognitive Impairment.
Researchers Marie Teich and Wilmer Leal develop a formal framework to analyze metaphors, confirming they are enduring linguistic and cognitive structures. The study reveals two significant metaphorical processes: mappings from concrete to abstract topics and the emergence of new mappings between domains.
Researchers found that faster biological aging is associated with lower scores on digital cognitive tests, particularly among older adults. DNA methylation patterns were used to estimate biological age acceleration, and protein markers PAI1 and ADM showed strong associations with lower cognitive scores.
Aging populations exhibit a positivity bias in recognizing emotions, associated with observable changes in brain linked to cognitive decline and neurodegeneration. The study correlates age-related positivity bias with poorer cognitive performance but not necessarily emotional decline.
Aging is harsh on the hippocampus, a region responsible for learning and memory. Researchers at UCSF identified protein FTL1, which slows cognitive decline in mice by increasing metabolism. Treating with a compound that stimulates metabolism prevents these effects. The study offers hope for therapies to block FTL1's impact.
A series of hide-and-seek experiments with a bonobo named Kanzi shows that apes can mentally keep track of multiple familiar humans at once. Kanzi could recognize caregivers from their voices alone, an ability never before tested on bonobos.
Researchers identified measurable changes minutes before breakthroughs in expert mathematicians, offering a new window into the mechanics of human creativity. The study's method could help scientists predict creative insights and understand micro-dynamics.
A study published in Perception found that people consistently overestimate the steepness of a hill when viewed at an angle, regardless of their eye height. The researchers tested participants' ability to estimate the slope of a wooden ramp while seated, standing on a step ladder, or lying down.
A study found that reward expectation modulates attention in humans, with distinct effects on sensory processing and decision-making. Sensitivity to visual stimuli was linked to sensory attention centers, while decision-making biases were linked to brain regions involved in impulsive decisions.
Research suggests that sleeping on a difficult task can improve performance by strengthening and consolidating memories in the brain. A new study found that rhythmic brain activity during sleep in areas active during training correlates with improved task performance after waking.
A new study reveals that the brain has distinct regions for processing 'things', such as rigid objects, versus 'stuff', like liquids or sand. These findings may help the brain plan interactions with different materials, similar to artificial physics engines used in video games.
A new study led by University of Waterloo researchers found that female pilots tend to make fewer flight control errors under stress, despite similar visual attention patterns. The findings challenge gender bias in aviation performance and suggest a need for more inclusive pilot training and evaluation systems.
A new research paper found that epigenetic aging is linked to cognitive decline in midlife, with twins experiencing a larger drop in IQ scores if they had grown up in families with lower socioeconomic status. This study provides new evidence for the impact of childhood adversity on brain aging.
Researchers propose a 'Geographic Model of Meaning in Life' that examines how humans perceive and understand their surroundings. This model suggests that meaning in life emerges from the combination of lived experiences and attitudes towards life.
Remote, scalable cognitive behavioral therapy-based treatments improved pain and quality-of-life outcomes for individuals with high-impact chronic pain. These lower-resource treatments could increase availability of evidence-based nonpharmacologic pain treatments.
A groundbreaking brain imaging study confirms intranasal insulin safely reaches key memory regions in older adults with Alzheimer's. The research reveals differences in uptake among individuals with early cognitive decline, paving the way for personalized treatment approaches.
TuneTwins is a music memory game that invites players to match pairs of musical fragments and discover their musical memory strength. The game includes a wide range of musical styles and has been tested with children and adults across different cultures.
Researchers found that specific gaze sequences, including looking at an object and making eye contact, are crucial for effective communication. This discovery has implications for social robot development and non-verbal communication training.
Researchers at Florida Atlantic University are using a genetically tractable model organism, C. elegans, to dissect the cellular pathways impacted by amphetamines. The study aims to identify novel regulators of dopamine release and genes that mediate amphetamine's effects independently of traditional dopamine mechanisms.
A global study of 161,981 participants across 40 countries reveals that air pollution, social inequality, and weak democratic institutions accelerate aging. BBAGs, a novel measure of accelerated aging, show that exposure to toxic air, political instability, and economic inequality can age you several years faster.
Researchers found that friends tend to perceive products similarly and exhibit synchronized brain activity when viewed together, even predicting each other's purchasing intentions. As friendships deepen, this similarity strengthens.
Researchers found that spermidine supplementation improves memory and preserves physical activity, while reducing protein intake boosts mitochondrial activity and extends lifespan. Combining the two interventions offers additive benefits, suggesting potential for synergistic effects.
A new study by Waseda University researchers suggests that learners need to automatize word meanings in context to achieve fluent speech. By assessing automatized vocabulary knowledge (AVK) and declarative vocabulary knowledge (DVK), the team found AVK to be a stronger predictor of L2 speaking fluency.
A study by the University of Eastern Finland found that physical performance is associated with better cognition in people with relapsing-remitting MS. The study measured cognitive function, disability, and physical activity using various tests, revealing a significant link between these factors.
Researchers found that Parkinson's disease symptoms on one side of the body can predict cognitive decline and psychiatric disorders. The study analyzed 80 studies to demonstrate the critical importance of personalized care tailored to individual disease profiles.
A recent study published in eNeuro found that mobile mindfulness meditation apps can improve attention control in adults, as measured by eye movement tasks. Self-reported measures suggest that participants were unaware of the cognitive improvement from meditation.
A pilot intervention project involving playful sensory-motor activities improved reading speed and eye movements in children with dyslexia. The study found promising results in improving eye movements and reading speed in eleven children aged 10-12 who underwent a two-month protocol of cognitive engagement, reducing reading time and in...
Researchers at Helmholtz Munich developed an AI model called Centaur that can simulate human behavior with remarkable accuracy. It was trained on over ten million decisions from psychological experiments and makes decisions that closely resemble those of real people. The model opens new avenues for understanding human cognition and imp...
A new study in Nature Communications found that AI models exhibit a geometric property called convexity, which helps humans form and share concepts. Convexity is also linked to the performance of AI models on specific tasks.
A recent study by Columbia University researchers found that early education has a significant impact on adult cognition, especially for individuals from low-income backgrounds. The study compared adult siblings in Indonesia and isolated education's effects on quantitative and abstract reasoning, separate from family background factors.
Research found that video summaries in simpler language and presentation improve comprehension, but the 'easiness effect' increases perceived credibility and confidence in evaluation. The study suggests responsible strategies for science communication and optimizing video-based information transfer.
A randomized clinical trial found that SMART training significantly improved cognitive gains in active-duty service members with mild traumatic brain injury (mTBI) and post-traumatic stress disorder (PTSD). The top-down approach of SMART brain training showed faster cognitive gains compared to a bottom-up approach.
A community-based cohort study found that COVID-19 hospitalization was associated with accelerated declines in cognition among older adults, compared to those not infected. Avoiding severe SARS-CoV-2 infection may help preserve cognitive function in this population.
A recent study by University of Arkansas researchers found that stress makes people more prone to riskier decisions due to decreased loss aversion. In contrast, under stress, women are better at predicting outcomes and men have a stronger grasp of consequences.
Researchers found that music's emotional impact influences memory recall, with stronger emotional responses associated with better retention of event gist and details. Individual differences in emotional responses to music affect which memories are improved.
A new bedtime recall exercise significantly improved memory performance in individuals with Alzheimer's Disease and healthy older adults. The study suggests that this cost-free intervention could be an easily adopted approach to enhancing memory function.
A multiyear study will assess individual differences in placekeeping, a cognitive ability crucial for complex tasks. The researchers aim to develop tools that can identify the right person for the right job at the right time, reducing procedural errors and improving personnel selection.
A brain age gap refers to the difference between predicted age and actual chronological age. The study found that higher cognitive impairment risk factor scores were consistently associated with poorer cognitive performance, especially in areas like executive function and language. Researchers developed a brain age prediction model to ...
A 16-year study of over 10,000 individuals aged 50+ found that those with higher wellbeing were more likely to have better scores on memory tests. The association was independent of depressive symptoms and suggested that psychological factors affect brain health.
A new study found that gut microbiome composition is associated with cognitive impairment in adults, and that food insecurity may jointly influence brain function. Adults with lower microbial diversity and specific imbalances in gut bacteria were more likely to experience cognitive impairment.
A recent study by Western University neuroscientists found that nostalgic songs elicited a higher desire to dance than familiar songs, with popular hits from the late 2000s scoring high for both familiarity and nostalgia. The researchers used a controlled online experiment to test participants' responses to different types of music.
A randomized controlled trial found similar neurocognitive outcomes after noncardiac surgery with either a hypotension-avoidance or hypertension-avoidance strategy. The study of 2,603 patients showed no significant difference in postoperative delirium and one-year cognitive decline between the two groups.
A cohort study of 4 countries found that both maternal and paternal higher education levels were linked to reduced cognitive decline, with own education mediating these associations. The study highlights the long-term impact of parental education on offspring cognitive health across diverse cultural contexts.
Researchers from Japan conducted a cross-cultural analysis to compare mentalizing difficulties in British and Japanese autistic and non-autistic adults. They found that Japanese autistic participants outperformed both groups of British participants, suggesting cultural differences in interpreting social cues.
MIT researchers developed a new hypothesis for how astrocytes contribute to memory storage, proposing that they encode memories through gradual changes in calcium flow patterns. This information is conveyed to neurons via gliotransmitters released at synapses connected to astrocyte processes.
Researchers at UCLA Health identified a candidate small molecule, DDL-357, that increases concentrations of secreted clusterin, reducing toxic protein phospho-tau and improving mitochondrial function. The drug also improved memory in treated mice in maze-based cognitive tests.
A comprehensive analysis reveals how brains generalize learning from previous experiences to new scenarios, mapping neural pathways from hippocampus to cortex. The study's findings highlight the critical role of the hippocampus and prefrontal cortex in cognitive generalization.
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.
Researchers found that astrocytes transmit signals, revealing new ways the brain processes information. The study provides direct evidence for the real-time action of astrocytes in live brains of fruit flies, suggesting their role in mediating neurophysiology and behavior.
Researchers have identified the medial prefrontal cortex (mPFC) as the basis of emotional inference in animals and humans. In a study published in Nature, Xiaowei Gu and Joshua Johansen found that rats can learn inferred emotions by associating a neutral stimulus with an unpleasant experience.
Researchers identified a dual learning system in the brain that enables habits to form and provides a scientific basis for breaking bad habits. The study suggests that replacing an action consistently can lead to the APE system forming a new habit, offering a potential strategy for overcoming addictions.
Research by MIT neuroscientists reveals that the brain separates its processing of spatial information to maintain cognitive advantage, yet seamlessly blends it with other features. The study also explores how the brain 'hands off' visual information between hemispheres.
Researchers have identified a link between reduced pulse rate complexity and faster cognitive decline in older adults. The study found that people with more complex heartbeats tend to experience slower cognitive decline over time.
Researchers have discovered terahertz light waves can reduce hyperactivity in brain regions associated with depression, leading to rapid improvements in mood and thinking ability. The treatment works without introducing foreign substances into the brain and is safe for use at therapeutic intensities.
A study found that parental technology use in a child's presence was negatively associated with cognitive and psychosocial outcomes, as well as screen time among young children. The effect sizes were small, highlighting the need for further research on potential impacts on physical activity, sleep, and motor skills.