Articles tagged with Cognition
Researchers at MIT's Picower Institute found that the brain stores information in working memory by making short-lived changes in neural connections, contradicting the traditional idea of sustained neuronal activity. This new insight sheds light on the sophisticated flexibility of thought and its dynamic nature.
A new study from Karolinska Institutet shows that internet-based therapy can help people with anger and aggression, with a combination of mindful emotion awareness and cognitive reappraisal being the most effective strategy. Four-week treatments resulted in decreased self-reported anger and aggressiveness.
A new study published in JAMA Neurology found that using hearing aids can decrease the risk of cognitive decline by 20%. The study, conducted by researchers at NUS Medicine, analyzed data from over 130,000 participants and found a significant association between hearing aid use and reduced cognitive decline. The findings suggest that t...
A new study published in Nature Scientific Reports shows that playing the piano for just one hour a week can improve audio-visual processing and reduce depression, stress, and anxiety. The study found significant improvements in multisensory information processing among adults with no prior musical experiences.
A Japanese research group found that people with psychiatric disorders tend to hold negative self-schemas, which can renew themselves through feedback and cognitive reactivity. This self-perpetuation process can lead to the development of mental illnesses even in good environments.
Researchers at UC San Diego School of Medicine identified PKCα as a potential therapeutic target for Alzheimer's disease. The study found that a subtle increase in PKCα activity was sufficient to produce biochemical, cellular and cognitive impairments in mice, similar to those observed in human AD.
A study by the University of Geneva finds that adopting multiple perspectives on mathematical problems enhances proportional reasoning. Students who received lessons based on this approach outperformed those in traditional classes, regardless of socio-economic background.
A study by Aarhus University researchers found that expert jazz musicians store linked audio and motor representations in the brain, which are drawn upon to create improvisations. These improvisation vocabularies vary between players and exhibit stylistically appropriate and novel characteristics, hallmarks of creativity.
The APOE4 gene variant increases the risk of Alzheimer's disease by disrupting the insulation of brain wiring. Research found that oligodendrocytes mismanage cholesterol, failing to transport fat molecules to myelinate axons. This deficiency may contribute to the pathology and symptoms of Alzheimer's.
Female putty-nosed monkeys deliberately use alarm calls to recruit males to defend the group, a first observed intentional vocalization in animal kingdom. Researchers found females react directly to male actions, adjusting their behavior when goal achieved.
A study published in the Journal of Alzheimer's Disease found that analyzing patients' drawing tests can help diagnose Alzheimer's disease (AD) and distinguish it from dementia with Lewy bodies (DLB). The researchers discovered that DLB patients showed differences in speed-, pressure-, and pause-related features, whereas AD patients sh...
A study found that Eurasian jays with greater self-control can pass a version of the 'marshmallow test' and score higher on intelligence tests. The researchers believe that this self-control may have evolved as a result of the birds' need to delay gratification in order to plan for future meals.
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 meta-analysis by Goethe University Frankfurt found that individualized treatment combined with cognitive behavioral therapy (CBT) led to a significant increase in pain relief. The study showed an 84% higher success rate compared to standard exercise therapies, making this approach the most effective.
The National Institutes of Health has awarded a $10.7 million grant to Cleveland Clinic to expand a national research consortium focused on improving diagnosis and treatments for Dementia with Lewy Bodies. The consortium, which includes multiple clinical sites, aims to identify biomarkers for disease and develop new therapies.
A study by Osaka Metropolitan University's Professor Shogo Makioka and colleagues investigates embodied cognition mechanisms in the brain. The researchers found that when participants' hands were restrained, brain activity related to semantic processing of words decreased, and verbal responses became slower. These findings support the ...
Healthy older adults exhibit greater mental well-being despite poorer cognitive performance than younger adults. The study reveals that neural mechanisms underlying these findings may inspire new therapeutic interventions to promote healthy brain function.
Researchers found avian neurons consume three times less glucose than mammalian neurons due to smaller size and efficient energy usage. This surprising finding sheds light on the evolution of intelligent bird brains.
Researchers found that bird neurons consume three times less glucose than mammalian neurons, allowing for high cognitive abilities and complex brain structures. This discovery sheds light on the evolutionary advantages of birds' brains.
Research suggests that super recognizers divide new faces into parts, storing them in the brain as composite images. This allows them to recognize faces better than others even when only seeing smaller regions at a time.
Researchers from the University of Birmingham propose new techniques to test for rhythmic oscillations in visual attention, suggesting that attention may not switch between threats and opportunities in a predictable rhythm. These new statistical tools aim to shed light on brain conditions like attention deficit disorder.
Researchers at Rutgers University have disentangled the two ways of thinking about self-control, highlighting the importance of diachronic regulation and the limited effectiveness of synchronic regulation. This distinction has implications for understanding willpower's role in helping people break habits.
Researchers found that 7-month-old infants quickly discriminate between symmetrical and asymmetrical mosaics, indicating a robust ability to detect structural symmetry. This skill coincides with those found in studies using other stimuli, suggesting babies are good at extracting structure and rules from various media.
A Kessler Foundation neuroimaging study found that older individuals reported less state fatigue and showed greater brain activation to combat fatigue. The study also revealed women show greater resilience when faced with a fatiguing task, highlighting age and gender differences in fatigue responses.
Research finds that people enjoy thinking more than expected, with benefits including problem-solving and creativity. Underestimating the enjoyment of solo thinking may lead to missed opportunities for personal growth.
Researchers discovered that communication between two brain regions, parietal cortex and premotor cortex, is co-dependent on instantaneous timescales to represent and maintain working memory. This finding challenges previous understanding of working memory representation in the brain.
Researchers analyzed data from wearable activity monitors on nearly 600 participants to identify changes in movement patterns that may predict cognitive decline. The study found significant differences in activity during waking hours and afternoons, with fragmented activity being a key indicator of mild cognitive impairment or Alzheime...
A review of over 200 publications suggests that fish perceive quantities using similar brain regions as mammals and birds. This finding could lead to the development of new treatments for human diseases affecting math skills, such as developmental dyscalculia.
A study by Emmanuelle Volle's group at the Paris Brain Institute has identified two semantic memory search processes involved in creativity: clustering and switching. Clustering is linked to divergent thinking, while switching relates to combining distant associations between concepts.
Researchers at the Paris Brain Institute identified a key brain network for visual mental imagery in a patient with a left occipitotemporal lesion. The study found that the fusiform imagery node, linked to language and semantic systems, remained intact despite the lesion.
A systematic review and meta-analysis of 16 studies involving 76,373 participants found a significant association between visual impairment and cognitive decline in older adults. The study highlights the need for further research on the effectiveness of treating sight problems to prevent cognitive impairment and dementia.
A study published in Psychological Science found that our brains treat some emotions as wrong and react as if there was an error. The research, conducted by Ben-Gurion University psychologists, used experiments to assess emotion responses and discovered similarities between counter-normative emotion reports and perceptual errors.
A UC San Diego longitudinal study found that most COVID-19 long-haulers continue to suffer from neurological symptoms six months after infection, with memory impairment and decreased concentration being the most prevalent. Researchers identified a new subgroup with advanced symptoms, including tremor and difficulty balancing.
Research found that decisive people are more confident in their judgments than those who second-guess themselves. The study discovered a link between action control and post-decisional metacognitive bias, suggesting that individual differences play a crucial role in decision-making.
A straightforward questionnaire, called the Attentional Failure during Driving Questionnaire (AFDQ), has been developed to assess older drivers' ability to drive safely. The study found that repeated attentional challenges were a key predictor of crashes among older drivers.
Researchers are assessing cognitive decline in aging Latinos, exploring the long-term impact of COVID-19 and cardiovascular disease on brain function and impairment. The study will gather data to develop real-world therapies and potentially lessen the disease burden of dementia affecting Latinos.
Researchers suggest a novel neuroimaging technique can unveil Alzheimer's disease secrets and predict symptom risk. The 'neuromelanin-sensitive MRI' method provides insights into the brain's noradrenergic system, linked to aggressive behavior and cognitive decline.
A Swedish study of over 9,000 children found that playing video games increased their intelligence by 2.5 IQ points compared to TV-watching or social media. The study controlled for genetic differences and socioeconomic background, suggesting a positive effect of video games on cognitive abilities.
Researchers identified a key brain circuit in the anterior thalamus that helps us hold information in mind. In a study of mice, enhancing this circuit's activity improved their ability to navigate a maze and reversed memory loss with artificial stimulation.
A recent study published in PLOS Medicine found that having a parent with type 1 diabetes may be linked to lower school performance in children. The research involved over 622,000 Danish children and suggested a negative association between parental type 1 diabetes and cognitive development.
New research reveals that infants as young as 4 months can differentiate between speech and song based on acoustic features such as pitch and rhythm. The study also found that exaggerated pitch is related to better neural tracking of infant-directed speech.
Research presents a promising path forward for early identification and intervention of Alzheimer's disease through the study of executive function and biomarkers. A link to genetics research is also being explored to better understand genetic and environmental factors that influence cognitive and brain aging.
A recent randomized controlled trial found that an online decision aid can help older adults decide whether and when to stop driving. The tool, called Healthwise DDA, had high acceptability and reduced negative feelings about the process among participants. It may help older adults make informed decisions about their driving abilities.
The 29th annual CNS meeting will feature scientific talks, posters, and receptions, with a focus on the latest advances in cognitive neuroscience. Registered press members will have access to these sessions, as well as a quiet Press Room, while COVID safety protocols are in place.
A study found that listeners in Arkansas and Michigan imagined similar stories, while those in China envisioned unique narratives. The results suggest that music can generate shared experiences despite cultural differences.
A new study published in Memory & Cognition found that eyewitnesses do not systematically bias towards selecting people with threatening facial characteristics or muscular bodies. However, participants showed highest identification accuracy for the most threatening body stimuli high in musculature.
A new study from the University of Eastern Finland found that frontotemporal dementia patients with extrapyramidal symptoms have significant brainstem atrophy and reduced metabolism, facilitating differential diagnostics for FTD. This can help distinguish between FTD and other diseases causing extrapyramidal symptoms.
A new study by Penn State researchers found that engaging in meaningful and challenging activities during free time can significantly reduce people's loneliness and increase their positive feelings. The researchers identified that flow, a state of being fully engaged and focused on an activity, is crucial to reducing loneliness.
A study found a shift in the profile of specialized lipid mediators from pro-resolving to pro-inflammatory in patients with cognitive impairment, correlating with severity of cognition impairment. The researchers identified novel mechanisms of brain health and potential therapeutic targets for slowing down Alzheimer's disease onset.
Fish species zebra mbuna and stingrays are found to possess numerical abilities on par with other vertebrate species. Through training, six of the eight zebra mbuna and three out of eight stingrays learned to associate blue with addition and yellow with subtraction, demonstrating consistent performance in recognizing numbers from 1 to 5.
A recent brain imaging study has found evidence of weakening connections between key brain areas in adolescents at high genetic risk of developing bipolar disorder. This study suggests that early intervention strategies may be effective in preventing the progression towards major changes in the brain.
Researchers discovered a group of neurons in the striatum that encodes information about potential decision-making outcomes, including rewards and penalties. These 'error signals' help the brain adapt to changing circumstances and make impulsive decisions or become paralyzed with indecision.
A novel system to control protein aggregation in a model of Parkinson’s disease suggests that aggregation of alpha-synuclein plays a critical role in disrupting neuronal homeostasis and triggering neurodegeneration. Light treatment led to formation of Lewy body-like aggregates, neurodegeneration, and Parkinson-like motor deficits in mice.
A study of 181 long COVID patients found that seven in ten experience concentration and memory problems, with many performing worse than their peers on cognitive tests. Cognitive symptoms were more pronounced in people whose overall ongoing symptoms were more severe.
A new study found that a ketogenic diet significantly improves MS symptoms, including fatigue, depression, and cognitive function. Patients on the keto diet experienced reductions in neurologic disability and enhanced overall quality of life.
Researchers found that alpha oscillations are involved in two distinct processes: one related to observation accuracy and the other to internal representation of sensory events. Increasing or decreasing alpha speed and amplitude can independently modulate perception accuracy.
A comprehensive analysis of brain cellular composition across amniotes shows that mammals and birds have dramatically increased neuron numbers in the telencephalon and cerebellum, associated with higher cognition. The study suggests that only a handful of unique evolutionary events augmented brain processing power in these groups.
A new study calculates that more than 170 million Americans lost an average of nearly three IQ points due to childhood lead exposure from car exhaust between the 1940s and 1996. This translates to a potential shift of millions from below-average cognitive ability to intellectual disability.
A study by researchers at the University of Waterloo found that higher education and advanced language skills can protect against dementia in people with mild cognitive impairment. Almost one-third of participants reverted to normal cognition, while over 80% never developed dementia.
Researchers investigated the association between acute respiratory failure in early childhood and long-term neurocognitive outcomes. The study found that children who experienced severe respiratory distress were more likely to have impaired cognitive function and behavioral problems later in life.