Articles tagged with Cognitive Function
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Research reveals associations between cardiovascular risk factors, low physical fitness, and decreased neural activity in the social brain network, leading to social cognitive function decline. A healthy lifestyle may mitigate this decline through targeted interventions.
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 recent study of 7,073 adults found that those with glaucoma had higher cognitive function scores but steeper declines over 18 years. The association was small and unlikely to be clinically meaningful.
Researchers found that people with higher grit scores showed different patterns of cognitive performance, characterized as cautious control, but not necessarily enhanced cognitive ability. Grit was linked to low impulsivity and high mindfulness, related to self-regulation.
A joint UC Riverside and UC Irvine study found that people who show near transfer in brain training are more likely to experience far transfer, meaning improved focus and problem-solving skills. The research suggests that working memory training can be effective for certain individuals, but its impact on fluid intelligence remains deba...
A study published in Alzheimer's & Dementia found that individuals with at least two cardiometabolic diseases, such as type 2 diabetes and heart disease, double their risk of developing dementia. The study suggests that prevention of these diseases could be a strategy for reducing dementia risk.
A world-first study from the University of South Australia found a direct link between vitamin D deficiency and increased risk of dementia and stroke. The study analyzed data from 294,514 participants and found that up to 17% of dementia cases might have been avoided by boosting vitamin D levels.
A mass survey of Japanese citizens aged 50-89 years found that sagittal spinal balance measurement can detect cognitive decline. The study discovered associations between anteriorization of the spine and lower cognitive function in both males and females, with greater risks detected in cases of SVA ≥ 70mm regardless of age.
A new study by Baycrest and Western University suggests that older adults may benefit more from natural speech than previously thought. They found that for engaging stories, older adults performed similarly to younger adults in noisy settings, but struggled with disconnected sentences.
A study found that the brain uses data compression to eliminate irrelevant information and adopt temporary 'tunnel vision' for optimal performance. This principle extends beyond sensory processing to cognitive functions.
A new MIT study finds that noradrenaline helps the brain learn from surprising outcomes by stimulating behavior that leads to a reward, particularly in uncertain situations. The researchers also discovered that noradrenaline promotes taking a chance on getting a reward, even when the outcome is unknown.
A new University of California, Irvine-led study identifies sex-specific circuits of muscle signaling to other tissues, highlighting differences in muscle function between males and females. The research sheds light on how muscle functions, such as exercise, promote healthy longevity, metabolism and improve cognition.
Research suggests that during deep sleep, neurons representing related items fire in close temporal order, triggering synaptic plasticity and forming strong connections. This process strengthens or creates new relational memories, which can be essential for learning connections between objects or people.
A meta-analysis published in The Lancet Oncology suggests that targeted radiation therapy, which spares healthy brain tissue, is equitable to whole brain radiation therapy for patients with small cell lung cancer and brain metastases. This approach may improve their care experience with fewer negative cognitive consequences.
Researchers found that listening to groove music enhances executive function and activity in the brain's prefrontal cortex in familiarized participants. The study used functional near-infrared spectroscopy to measure changes in cognitive function before and after listening to music.
A Korean study of 430 adults found that thicker macular retinal nerve fiber layers were associated with faster cognitive decline. The researchers suggest this finding could inform predictive biomarkers for evaluating cognitive function in older adults.
A randomized controlled trial found that consuming cranberries for 12 weeks improved participants' memory of everyday events and neural functioning. The study also showed a significant decrease in LDL or 'bad' cholesterol levels, contributing to improved vascular health and brain perfusion.
A study found that high blood adenosine levels at 15 days of life correlated with white matter lesions and brain injury in very low birth weight premature infants. Adenosine may play a role in oligodendrocyte maturation and neuronal development, suggesting its potential as a biomarker for complications of prematurity.
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.
A new study finds that having three or more children is negatively correlated with late-life cognition, with the effect strongest in Northern Europe. The researchers suggest that this may be due to financial stress and reduced social interaction, leading to potential cognitive deterioration.
Researchers at Kessler Foundation found significant improvement in processing speed among individuals with MS after a five-week training intervention. The treatment effect was maintained six months later, with dosage correlating with improved outcomes.
Researchers have developed a multi-dimensional approach to quantify cognitive decline in aging dogs, which may also inform human Alzheimer's disease treatment. The method combines physical exams, lab tests, and cognitive assessments to provide a more complete picture of canine cognitive function.
A systematic review of 71 studies finds paranormal beliefs associated with differences in cognitive function, particularly intuitive thinking style. Methodological quality has improved over time, but areas for improvement remain, including discussion of limitations and generalizability to the population.
Researchers at City University of Hong Kong discovered a new neural mechanism that enables animals to perceive and integrate environmental cues, such as air puffs and sounds, to initiate defensive behavior. This finding has implications for understanding schizophrenia patients' auditory hallucinations.
Researchers found that seven hours of sleep per night is associated with improved cognitive performance, better mental health, and reduced symptoms of anxiety and depression. Disrupted slow-wave sleep may contribute to cognitive decline and memory consolidation issues.
A Boston University study found that living in areas with more greenery may boost cognitive function, particularly in middle-aged women. The research suggests that exposure to greenspace could improve processing speed and attention, as well as reduce depression, a risk factor for dementia.
Researchers found a significant association between residential green space and improved cognitive function in middle-age women. The study, published in JAMA Network Open, analyzed data from over 13,000 participants and discovered that those with greater access to green spaces performed better on cognitive tests.
A study led by Richard Isaacson found that individualized, multi-domain interventions improved cognition and reduced Alzheimer's risk in both men and women. Women demonstrated greater improvements in certain risk scores and biomarkers compared to men.
A new study published in the Endocrine Society's Journal of Clinical Endocrinology and Metabolism found that people with type 2 diabetes and cognitive impairment have a higher risk of heart attack and stroke. Cognitive function may predict a person's future risk of heart disease, according to researchers.
Research by the American Psychological Association found that individuals with high levels of conscientiousness and low neuroticism tend to have better cognitive functioning late in life. Those high in extraversion may also maintain normal cognitive function longer, while high neuroticism is associated with decreased healthy cognition.
Researchers have identified a key protein molecule that plays a major role in the accumulation of brain cholesterol, triggering Alzheimer's disease. The peptide inhibitor ATAD3A oligomerization promotes neuropathology and cognitive deficits in Alzheimer's disease models.
A new study found that vitamin K2 supplementation improved spatial memory, learning ability, and reduced evidence of cognitive impairment, depression, and anxiety in rats. The researchers suggest that vitamin K may help preserve cognitive functions by affecting biological pathways involving inflammation and antioxidant activity.
A study of patients treated with edoxaban and dual antiplatelet therapy (DAPT) after TAVR found that edoxaban reduced subclinical leaflet thrombosis, but did not affect stroke risk. Rates of death, stroke, and cognitive decline were similar in both groups.
A new study shows that a potential treatment for Alzheimer's disease, sargramostim, improves cognitive function in people with Down syndrome and normal aging mice. The drug reverses learning and memory deficits, nerve cell loss, and brain abnormalities in mouse models of Down syndrome and aging.
A rehabilitation psychologist's role is to guide patients through the process of rehab and recovery, addressing cognitive, behavioral, and emotional barriers that hinder progress. These experts can help individuals adjust to a new diagnosis, stay motivated during recovery, and deal with the emotional aftermath of hospitalization.
Researchers developed a compound consisting of insulin bound to an antioxidant group, improving glucose consumption and brain function in mice with type 1 diabetes. The combination therapy showed better cognitive performance than individual treatments alone.
A study of nearly 15,000 US nurses found that significant antibiotic use in midlife is associated with increased risk of cognitive decline later in life. The researchers suggest that this may be related to changes in the gut microbiome, which can impact brain function and overall health.
A recent study found that approximately 1 in 3 heart attack survivors experience significant mental decline in the days and months following their heart attack. Cognitive deficits can impact quality of life and treatment adherence, emphasizing the need for cardiologists to monitor patients regularly.
The Human Brain Project (HBP) has brought together neuroscientists from different disciplines to work collaboratively on common goals. The HBP researchers outline their scientific approach and illustrate the potential of EBRAINS infrastructure for neuroscience research.
A new study published in PLOS Medicine found that the number of healthy years a person lives is increasing even for those with common chronic conditions. However, men and women with cognitive impairment experienced a decrease in disability-free life expectancy.
Researchers at Florida Atlantic University found that mice can perceive the difference between a picture of an object and the actual 3D object, employing higher-order cognitive processes. The study suggests that mice's hippocampus plays a significant role in associating memories with visual stimuli.
Ben-Gurion University researchers found that participants overwhelmingly preferred virtual reality for short-term cognitive tasks, but split over the long term. A combination of both virtual reality and socially adaptive robots may be key to keeping people engaged in remote cognitive training.
Researchers developed a digital pen tool to measure cognitive function, identifying novel markers of dementia. The study found associations between digital metrics and cognitive functions like processing speed and physical abilities.
A pooled data analysis of 18 studies found that shift workers performed significantly worse than non-shift workers in five cognitive outcomes. The results suggest that shift work may increase the risk of workplace injuries and errors due to impaired brain function, particularly in impulse control and situational response.
In a breakthrough discovery, microglia have been found to play a crucial role in forming critical synapses in the brain, particularly in chandelier cells. This finding suggests that immune cells may not only remove unwanted connections but also nurture their formation, which is essential for cognitive functioning.
A retrospective analysis found that socioeconomically disadvantaged older adults are at a higher risk of decline in function and cognition after an intensive care unit hospitalization. The study highlights the need to prioritize low-income seniors in rehabilitation and recovery efforts after critical illness.
A study by researchers from the University of Tsukuba found that taking a 15-minute walk outside on a hot summer day can impair cognitive performance. This effect was more pronounced in men who slept less than 5 hours, suggesting that heat stress may negatively impact learning and productivity.
A large-scale study aims to understand how individual brains change over time, identifying factors that increase cognitive decline risk and those that confer resilience. The Adult Aging Brain Connectome study will follow 1,000 participants across a decade, collecting brain scans, blood samples, and demographic data.
Research reveals that the brain's electrical rhythms fluctuate between high precision and low precision states several times per second, affecting how relevant information is transmitted. Cross-frequency coupling enables selective attention by modulating the strength of different frequencies, while distinguishing between different type...
A new discovery by VUB professor Ann Massie's research group reveals a strategy that prolongs life expectancy and preserves hippocampal function in the aging brain. The absence of system xc- has positive effects on mouse longevity and cognitive function, challenging current understanding of the aging process.
Researchers from Washington State University found that the optimal time of day for different cognitive tasks does not differ based on task type. Participants who felt sleepy should consider postponing important tasks until a later time to avoid performance impairment.
Researchers at UC San Diego's Kavli Institute for Brain and Mind discovered that fruit flies possess more sophisticated cognitive abilities than previously known. Using virtual reality and real-time brain imaging, they found attention, working memory, and conscious awareness-like capabilities in flies.
A new study by University of Chicago researchers found no evidence that LSD microdosing improves mood and cognitive function. However, the study did confirm that taking small doses of LSD is safe, with participants building a tolerance to the drug over time.
As people age, their brains allocate more space to accumulated knowledge, making memory retrieval challenging. However, this prior experience can also enhance creativity and decision-making skills.
Researchers developed a user-centered virtual reality system to engage stroke survivors with spatial neglect in intensive therapy, showing promising results. The system uses head-mounted displays and hand-tracking technology to deliver standardized treatment in an engaging environment.
Seventy- to eighty-year-olds who train for better fitness demonstrate better problem-solving skills and reduced cognitive decline. Regular physical activity is linked to increased brain health, including faster reaction times and improved working memory.
Researchers discovered that toxic goiter causes shrinkage in central brain regions, such as the hippocampus and amygdala, which can lead to mental symptoms. The study provides key insights for patients with Graves' disease, a common form of hyperthyroidism.
The study establishes a link between real-life creativity and semantic memory structure, predicting individual differences in brain functional connectivity. Participants' creative activities and achievements were found to be related to the efficiency of their semantic memory networks.
A study in rats found that mothers with sleep apnea during pregnancy may have an increased risk of their male offspring developing autism-like behaviors, including impaired cognitive and social function. The findings suggest a potential mechanism for the link between maternal sleep apnea and neurodevelopmental disorders.
A study examining national data of adults aged 60 and older found that smoking is strongly linked to poor brain health, independent of other medical conditions. Smoking was associated with lower cognitive test scores in this population.