Articles tagged with Cognitive Neuroscience
Researchers created a simplified mathematical analysis to visualize neuron activities in daily experiences, employing state-space analysis. This technique allows for visualization of neuronal activity using general statistical software, revealing changes in brain activity over short time periods.
A Michigan Medicine study in Texas found that 61.4% of older adults with cognitive impairment are still driving, but one-third of caregivers have concerns about their care recipient's ability to drive safely. Researchers emphasize the need for open discussions between caregivers and healthcare professionals to ensure safety.
A new poll of people aged 65-80 found that 80% believe cognitive tests can give early warning signs of memory decline and 60% think healthcare providers should offer them annually. Despite this, only 1 in 5 have had a cognitive screening test in the past year.
Researchers at Lund University have developed a spinal fluid test to detect Lewy body disease before symptoms emerge. The study found that nearly ten percent of individuals without initial cognitive or motor difficulties had Lewy bodies in their brains, highlighting the potential for early detection and treatment.
Scientists have identified a region of the brain where sustained visual images are retained during perception. This finding may help doctors determine whether coma patients are still aware of their surroundings and could lead to treatments for disorders of consciousness.
A new study published in Brain Communications found that cognitive reserve can protect brain function in patients with brain tumors. The research revealed that higher levels of education, occupation, and urban environment are associated with improved neuropsychological performance.
Researchers developed MemTrax, a continuous recognition test for advanced cognitive impairment screening. The test quickly and accurately quantifies memory processing, storage, and retrieval, providing precise assessments of severity and rate of change over time.
Researchers identified three neurobehavioral profiles that distinguish individuals with elevated mania vulnerability based on reward sensitivity and sleep-circadian characteristics. These profiles can help detect mania risk and provide targets for early interventions.
Researchers at Texas A&M University found that substance use impairs cognitive flexibility by inhibiting specific neurons. Chronic cocaine or alcohol use alters the local inhibitory brain circuit, leading to decreased cognitive flexibility and increased risk of academic deficits and lower quality of life.
A study led by Dartmouth College researchers found that participants' color memory improved when stimuli were meaningful and part of real-world objects. The results demonstrate that the capacity for visual working memory of colors is more continuous and flexible than previously thought, with better recall of colors in meaningful contexts.
A randomized controlled study found that transitional employment programs had no significant impact on recidivism, but participants were more likely to be employed. Cognitive behavioral interventions showed marginal benefits in reducing reconviction odds.
Research from UTHealth Houston reveals that different brain regions are engaged when processing simple versus complex melodies and sentences. The study used intracranial electrodes to map brain activity during music and language tasks, finding shared temporal lobe activity but distinct sensitivities to melodic and syntactic complexity.
A team of scientists identified the dorsal medial prefrontal cortex as a key region in predicting rumination, which is linked to depression. The study's findings suggest that dynamic connectivity between brain regions can be used to decode rumination patterns.
Early hallucinations in Parkinson's disease patients are linked to faster cognitive decline. A study published in Nature Mental Health found that those with early hallucinations experience more rapid cognitive decline over the next five years. The researchers hope to develop neurotechnology methods for early detection and treatment.
A new study published in PLOS ONE found that kindness meditation improves the retrieval of specific personal memories in people with a history of depression. After four weeks, participants in the meditation group showed increased memory specificity and reduced rumination compared to those in the control condition.
Researchers from HSE Institute of Cognitive Neuroscience examine the brain's reaction to social norms violations and calculate a behavioral index to assess an individual's sensitivity to unfairness. This index can be used to develop personalized rehabilitation programs for patients with various types of behavioral disorders.
Children who begin reading for pleasure early in life tend to perform better at cognitive tests and have better mental health when they enter adolescence. Reading for pleasure is also associated with improved brain structure, which may help explain the findings.
A new study examining brain tissue from 631 former football players found that the cumulative force of hits, not just the number of concussions, was the strongest predictor of chronic traumatic encephalopathy (CTE). The study suggests that reducing the force and frequency of head impacts could help prevent CTE in athletes.
Research from Keck School of Medicine of USC found that everyday air pollution can alter brain development patterns in adolescents, linked to changes in brain connectivity over time. Exposure to fine particulate matter and nitrogen dioxide was associated with increased or decreased functional connectivity between brain regions.
A study found that social isolation is associated with a decrease in hippocampal volume, poorer cognitive performance, and an increased risk of developing conditions like Alzheimer's dementia. Conversely, maintaining a healthy social network can help preserve brain structure and function.
A McMaster University study found that cognitive behavioral therapy (CBT) for new mothers can lead to adaptive changes in infant brain functioning and reduce post-partum depression symptoms. The study tracked 73 pairs of mothers and babies undergoing PPD treatments between 2018 and 2020.
A neuroscientific team mapped the brain's response to changing conditions, revealing a critical role for sensory regions in decision-making. The study, published in Nature Communications, suggests that cognitive flexibility evolved early in the development of the brain, with similarities observed between humans and mice.
Researchers found a significant correlation between vitreous humor biomarkers and pathologically confirmed cases of Alzheimer's disease and Chronic Traumatic Encephalopathy. Biomarkers in the vitreous humor may serve as a proxy for neuropathological disease, offering potential early diagnosis and prognostication.
A recent study found that cognitive enhancers, such as Ritalin and modafinil, may actually inhibit performance and productivity in neurotypical workers and students. Participants who performed well on a complex decision-making task showed decreased accuracy and efficiency when taking the drugs.
Researchers found that an older adult's performance on the phone menu test was associated with Alzheimer's disease pathology, including amyloid and tau depositions. The test detected clinically meaningful changes in daily functioning before pronounced symptoms of cognitive decline began.
A multidisciplinary study found evidence of increased neuronal connectivity in the brains of serial entrepreneurs, suggesting they possess greater cognitive flexibility. This increased flexibility enables them to alternate between exploration and exploitation, crucial for entrepreneurial success.
A new study found that the serotonin booster prucalopride increased functional brain connectivity in healthy adults, particularly between cognitive networks. The results suggest that prucalopride may improve cognitive function and have therapeutic potential for depression patients.
Researchers have developed a technique to measure the effectiveness of clemastine in repairing myelin, allowing for future therapies to be assessed. Patients with MS treated with clemastine experienced modest increases in myelin water, indicating myelin repair.
A new study followed over 7,000 middle-aged and older Canadians for three years, finding that social participation was associated with successful aging. Those who engaged in volunteer work and recreational activities were more likely to maintain excellent health and less likely to develop physical or mental problems.
EPFL researchers used Chat-GPT to design a working robotic tomato harvester, showcasing the AI tool's potential for collaborating with humans in robotic design. The study highlights opportunities and risks of applying artificial intelligence to robotics, emphasizing the need for careful evaluation of LLMs' role in design.
A team of researchers used MRI and audio recordings to demonstrate the association between caregiver speech and infant brain development. Infants who heard more words had slower-developing white matter, but eventually showed better linguistic performance when they began to talk.
A team of cognitive scientists created a computational model to understand the factors affecting decision-making and planning depth. They found that better planning is driven by the ability to recognize patterns more accurately and in less time, pointing to the benefits of practice and experience.
A recent study published in JAMA Neurology found that heart attacks are associated with a faster decline in cognitive function over time. The research analyzed data from six large studies and showed that individuals who had a heart attack experienced a decline in global cognition equivalent to about six to 13 years of aging.
A study by Japanese researchers identifies the involvement of angiotensin II-AT1 and prostaglandin E2-EP1 systems in high-salt-induced hypertension and emotional/cognitive impairment, offering potential therapeutic targets for dementia prevention.
Researchers found that a combination of amyloid burden and blood markers of abnormal astrocyte activation can predict Alzheimer's disease progression. Testing for these biomarkers may help identify patients at risk, enabling earlier diagnosis and treatment.
A new MIT study shows that lawyers prefer plain English contracts, which they find easier to understand and more appealing than traditional legal documents. The researchers found that while lawyers excel at reading and writing complex legalese, the style can be a barrier for non-lawyers.
Repetitive manual dexterity training for 12 weeks improves executive function and boosts cognitive load patterns in older adults. Daily training has a positive correlation with active blood hemoglobin levels in the prefrontal cortex.
A study by Florida Atlantic University and CINVESTAV found that long-term running maintains the connectivity of adult-born hippocampal neurons, which contribute to memory function during aging. Exercise may prevent or delay age-related memory decline by increasing the survival and modifying the network of these neurons.
A University of Maryland study found that walking strengthened brain connectivity and improved memory in older adults with normal brain function and those diagnosed with mild cognitive impairment. The research adds to the growing evidence that exercise slows cognitive decline and may delay Alzheimer's disease.
A recent study found that young people engaging in online anti-social behavior do so for recreation, reward, and to seek social approval. The researchers also discovered that those who exhibit such behavior tend to have lower cognitive empathy scores.
A UCI-led study reveals that the oldest-old, those living up to 90 years old, exhibit similar levels of brain pathology as Alzheimer's patients but with lower levels of pathology from other neurodegenerative diseases. This finding suggests these individuals may be resistant to these age-related cognitive decline.
A new study challenges the long-standing view that our ability to see the unexpected is impaired when our attention is directed elsewhere. Researchers found that people are more likely to spot unexpected objects moving quickly, but less adept at noticing them when they move slowly.
A study by Lund University researchers reveals that visual perspective taking, a crucial social skill, originated in the dinosaur lineage around 60 million years ago. This finding challenges the prevailing view that mammals drove the evolution of complex cognition.
A study found that expert mammogram radiologists exhibit visual hindsight bias, leading to improved performance on blurry images after prior clear images were viewed. This bias can impact the detection of lesions and has implications for negligence lawsuits and patient outcomes.
A study by Ohio State University researchers found that college students were less consistent in their decision making during the 2020 fall semester compared to previous years. Students were more likely to cycle between relying on gut instincts and thoroughly evaluating information depending on how scenarios were described.
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.
Researchers found that people who perceived cognitive difficulties during COVID were more likely to experience physical symptoms of long COVID. The study suggests a psychological component for lingering SARS-CoV-2 symptoms in some patients.
The National Science Foundation has awarded Columbia University a $20 million grant to establish the AI Institute for Artificial and Natural Intelligence (ARNI), an interdisciplinary center focused on connecting AI systems to brain research. ARNI will bring together top researchers from across the U.S. to advance neuroscience, cognitiv...
New research shows that people with bipolar disorder or depression are more likely to be hospitalized if their verbal memory is poor. The study found an approximately 84% increased risk of admission to a psychiatric ward due to impaired verbal memory.
A study by Universitat Autonoma de Barcelona finds that a hypocaloric diet attenuates brain changes associated with age-associated memory loss. The results show improved spatial object recognition test scores and reduced neuronal loss and inflammatory activity in the hippocampus.
New research from UC Berkeley suggests that deep sleep can act as a protective factor against memory decline in individuals with existing high amounts of Alzheimer's disease pathology. This study provides hope for alleviating some of dementia's most devastating outcomes.
Researchers discovered that sleep spindles can alleviate anxiety in people with post-traumatic stress disorder (PTSD), contradicting recent findings. The study found that spindle rate frequency was higher during a stressful visit than a control visit, suggesting non-invasive ways to harness the benefits of this sleep stage for symptom ...
A pilot study found that remote aerobic walking exercise training improved cognitive processing speed in fully ambulatory persons with MS. The study, which showed high adherence rates, supports the design of a large-scale randomized controlled trial.
A new study published by Edith Cowan University found that boxing programs can improve symptoms of Parkinson's Disease, including fatigue and sleep, in early-stage patients. The program combined elements of exercise, computerized cognitive training, and socialization into a single activity.
A study published by the University of Barcelona found that problem-solving abilities are linked to social exclusion. Dromedaries and goats, which are less integrated into their social groups, demonstrated greater innovation skills.
A study found that high school quality is linked to better late-life cognition, particularly for those with more experienced teachers. Attending higher-quality schools may influence life trajectory and lead to better cognitive outcomes.
More than half of stroke survivors develop cognitive impairment within a year, with 1 in 3 at risk for dementia. Early screening and comprehensive care are advised to support stroke survivors with cognitive impairment.
Researchers found that older children can learn visual tasks and exhibit increased white matter plasticity after surgery to remove congenital cataracts. This suggests that the window of brain plasticity extends beyond childhood and that all children may benefit from treatment.
A new study by St. Jude Children's Research Hospital found that children with supportive environments fared better than those living in neighborhoods with economic hardship. Higher EHI scores were associated with lower cognitive abilities and greater decline after treatment, especially in math skills.
A Mayo Clinic study found that menopause symptoms significantly affect women's quality of life and productivity in the workplace. The study estimated an annual loss of $26.6 billion, including lost work time and medical expenses, highlighting a critical need for employers to address this issue.