Articles tagged with Cognitive Function
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A new study found that Taser shocks can impair cognitive functioning, including memory and processing information. The research suggests that suspects may not be able to waive their Miranda rights after being Tased, leading to questions about the timing of police interrogations.
A study of over 3,400 participants found that long-term marijuana use was associated with poorer verbal memory, but not other areas of cognitive function. The study suggests that young adults may be skeptical about the risks of marijuana use and highlights the need for effective health advice.
A study by Columbia University's Mailman School of Public Health found that older adults who stop driving face accelerated declines in cognitive function and physical health. This cessation is linked to a higher risk of depressive symptoms, reduced social networks, and increased dependence on caregivers.
A new review suggests that stopping driving in older adults can contribute to various health problems, including depression. The decision to stop driving is often accompanied by declining cognitive and physical functions, highlighting the need for personalized plans to maintain mobility and social functions.
The Friedrich-Alexander-Universität Erlangen-Nürnberg is launching a new consultation model called 'Beratung für gesundes Altern' (BegA) in January 2016. This non-clinical project aims to provide prevention-oriented advice and support to older adults, helping them prepare for potential losses of function due to aging.
A new study found that pre-adolescent children who have sustained sports-related concussions have impaired brain function two years following the injury. The research suggests that childhood concussions may have a lasting impact on cognitive performance, with potential lifelong academic and vocational consequences.
A study of 3,247 adults found that high TV viewing and low physical activity during young adulthood were associated with worse cognitive function in midlife. Participants with the least active patterns of behavior had poorer cognitive performance, including slower processing speed and executive function.
The Canadian Task Force on Preventive Health Care recommends against screening older community-living adults for cognitive impairment if they are asymptomatic. However, physicians should investigate patients or their family members expressing concern about possible memory loss.
A study published in the American Heart Association journal Stroke found that bilingual patients were twice as likely as those who spoke one language to have normal cognitive functions after a stroke. The research also showed that bilinguals performed better on post-stroke tests measuring attention and information retrieval.
Researchers at the University of Georgia have developed a technique to measure an individual's visual processing speed, which can predict executive cognitive functioning. The study used a simple test of visual flicker to evaluate brain function quality, and found that older adults had slower visual processing speeds.
A study found that workers in well-ventilated offices with low indoor pollutants and CO2 have significantly higher cognitive functioning scores than those in typical offices. The researchers identified green building design attributes that influence cognitive function, suggesting improved air quality could greatly increase productivity.
Attention plays a critical role in structuring the internal world, prioritizing relevant thoughts and emotions for goal-oriented processing. The integrated theory proposes that attention is a cascade of effects beginning with stimulus detection, suppressing competing stimuli, and resetting upon completion.
Two studies found that moderate-intensity physical activity did not improve cognitive function, while oral supplementation with nutrients had no significant effect on cognitive decline. However, participants over 80 or with poor baseline physical performance showed better changes in executive function composite scores.
A study of nearly 24,000 participants found that stroke survivors experienced a faster rate of incident cognitive impairment after the event, as well as accelerated and persistent declines in global cognition and executive function. Cognitive decline is a major cause of disability in stroke survivors.
A new study published in the American Journal of Clinical Nutrition found that vitamin B12 supplements offer no benefits for neurological or cognitive function in older people with moderate vitamin B12 deficiency. Researchers tested 201 participants aged over 75 years who received either a vitamin B12 supplement or a placebo, and found...
Researchers will investigate how early childhood influences versus recent influences affect cognitive and physical health in middle age. The study will analyze data from over 1,600 participants, including adoptees and twins, to better understand the role of genetic and environmental factors on cognition.
A study from the University of Rochester found that stress in low-income families can affect children's learning. Children with family instability or harsh caregivers had elevated or low cortisol levels, leading to lower cognitive ability at age 4.
A new study identifies how specific patterns of cortisol activity may relate to the cognitive abilities of children in poverty. Children's cortisol levels remained relatively stable over three years, but exposure to family adversity predicted notable differences in cognitive functioning at age four.
A study analyzing data from over 8,000 married couples found that the physical health and cognitive functioning of a person's spouse can greatly affect their own quality of life. The research suggests that targeting both partners' health and cognition is crucial for improving overall well-being in older adults.
A large study has found that whole brain radiation therapy (WBRT) significantly worsens cognitive function compared to radiosurgery, and should no longer be used in the adjuvant setting after radiosurgery. WBRT's side effects include hair loss, fatigue, and significant interruptions in systemic therapy.
Researchers found that air pollution directly impacts cognition, with particulate matter and nitrogen dioxide affecting the central nervous system via the sense of smell. Impaired lung function was also linked to cognitive decline in elderly women, regardless of air pollution exposure.
A randomized clinical trial found that a Mediterranean diet supplemented with olive oil or nuts improved cognitive function in older adults, particularly in memory composite. The study suggests that this dietary approach may counteract age-related cognitive decline and offer preventive strategies for dementia.
Research found that long-term exposure to fine particle air pollution, particularly at low levels, can cause subtle structural changes in the brain and increase the risk of covert brain infarcts. This association was strongest among older adults and those with relatively healthy brains.
A study by San Diego State University scientists found that children with autism have overdeveloped connections between the cerebral cortex and cerebellum, affecting brain function. This early development leads to muscle in on brain real estate for higher cognitive functions.
A clinical trial found that targeted temperature management at 33°C or 36°C did not significantly impact cognitive function and quality of life in patients with cardiac arrest. However, many patients reported impairment despite similar scores on outcome scales.
A new study by UCLA researchers found that walnut consumption was associated with improved cognitive function in adults, regardless of age or ethnicity. The study suggests that eating a handful of walnuts daily could help improve cognitive health.
A new study of 52 young women found that regular exercise increases oxygen availability in the brain and enhances cognitive performance. The results suggest that physical activity may improve brain functioning even in young adulthood, benefiting both blood supply and cognitive function.
A recent study published in AJCN found that consuming cocoa flavanols can improve cognitive function in individuals aged 61-85 years. The researchers observed significant improvements in overall cognitive function after only eight weeks of regular consumption.
A new study from Indiana University finds that a patient self-reporting version of the Healthy Aging Brain Care Monitor is reliable and valid. The tool measures 27 items on a four-point scale to assess cognitive, functional and psychological symptoms, providing valuable information for busy physicians.
Regular internet use and engaging in civic, leisure, and cultural activities may help maintain health literacy skills among older adults. Health literacy scores fell by one or more points in around a fifth of people over six years, regardless of initial score.
A St. Jude Children's Research Hospital study found that adult survivors of retinoblastoma, particularly those diagnosed in infancy, have normal cognitive function and fulfill milestones of adult life. The brain may compensate for early visual loss by reorganizing areas responsible for processing verbal and auditory information.
A new study demonstrates a significant association between atrial fibrillation (AFib) and lower cognitive function, particularly executive and verbal skills. The study, which used iRhythm Technologies' ZIO Patch to track AFib burden, found that participants with high AFib burden had lower scores in cognitive tests.
Research suggests that genetic factors, including those affecting hearing and cognitive function, contribute to individual differences in music perception. Moderate aptitude is the norm among the population, with extreme capacities being rare.
A new study published in CMAJ found that people with cognitive impairment have a significantly increased risk of stroke, with a 39% higher risk than those with normal cognitive function. The study analyzed data from 18 studies and observed a higher rate of stroke in individuals with cognitive impairment.
Researchers found a 40-year-old man with no apolipoprotein E had normal cognitive function despite being at high risk for Alzheimer's. The study suggests reducing apoE levels may be beneficial in treating neurodegenerative disorders like AD.
Research found that cognitive decline before a stroke increases the risk of stroke five-fold in African-Americans, while slower brain function is linked to higher chances of stroke and death. Examining mental health may help prevent future strokes in older adults.
A systematic review of over a decade of studies on anticholinergic medications found significant adverse effects on both cognitive and physical functioning in older adults. The review suggests that these medications may negatively impact their ability to feed, dress, and engage in daily activities.
A psychology researcher proposes a new theory, 'selective engagement,' to explain why older adults show declining cognitive ability in lab settings but not in daily life. Motivation plays a key role in this disparity, with tasks deemed personally relevant eliciting higher cognitive performance.
Researchers found that motivation, crystallized knowledge, and compensatory mechanisms can help maintain cognitive function in older adults. Contrary to popular beliefs, older adults may not be more susceptible to consumer fraud.
Researchers at Duke-NUS found that short sleep is linked to faster brain ventricle enlargement and decline in cognitive performance. The study of 66 older Chinese adults suggests that seven hours of sleep per day may be optimal for brain health.
Researchers recommend moving emphasis from dysfunction to competence, and propose embodiment theory as a viable solution. The latest edition of the DSM-5 also focuses on improving evaluations of persons with TBI by mental health professionals.
A new study from Turkey finds that women with gestational diabetes perform worse on cognitive function tests, including a 30-point test for mild cognitive impairment and visual memory tests. The researchers suggest that early interventions and therapies may delay cognitive impairment in diabetes.
Children who are physically fit have faster and more robust neuro-electrical brain responses during reading, corresponding to better language skills. The study found higher amplitude N400 and P600 waves in fitter children, suggesting they processed information more quickly and efficiently.
Research suggests that maintaining healthy blood pressure, sugar levels, and cholesterol as a young adult may help prevent cognitive decline in mid-life. A 25-year study of 3,381 participants found that those with higher risk factors scored lower on cognitive function tests in their 40s and 50s.
Research study examines association between cognitive function and tactile, taste perceptions in elderly. Results show positive correlation between cognitive function and oral perception, suggesting decline in cognitive function is related to impaired oral perception in independently-living octogenarians.
A recent study by IIASA researchers found that education significantly improves cognitive function in seniors and slows down cognitive decline. The study examined variation in years of schooling in six European countries during the 1950s and 1960s and showed that compulsory educational reforms had a positive impact on mental functioning.
A research team led by Mathew Diamond found that rats have a 'working memory' system, conceptually similar to humans', which enables them to recognize and interact with environmental stimuli.
Most multivitamin supplements have no benefit in preventing chronic disease or death, and long-term use does not preserve cognitive function. Researchers found that high doses of multivitamins and minerals do not protect against cardiovascular events following myocardial infarction.
The study found that perinatal exposure to estrogen-like compounds may be associated with a host of health problems. The researchers aim to review the latest advances in morphological definition, developmental mechanisms, and environmental factors that can influence the development of the sexually dimorphic nucleus.
A study analyzing resting-state functional MRI data from four populations reveals that Alzheimer's disease is associated with a decline in brain network efficiency. As cognitive deficits increase, the shortest path in the network increases while clustering coefficients decrease.
Researchers found that learning new skills, such as photography, improves memory in older adults, while less demanding activities like listening to classical music or completing word puzzles have little impact. Engaging in unfamiliar and mentally stimulating activities is crucial for maintaining cognitive vitality with age.
A new study links obstructive lung disease to impaired cognitive functions, including memory and information processing. Researchers analyzed 5,764 people with OLD and found significant declines in memory tests, pairs matching tests, and reaction time.
A systematic review of 12 studies confirms a positive impact on cognitive function associated with higher adherence to a Mediterranean diet. However, results for mild cognitive impairment are inconsistent, highlighting the need for further research.
Research suggests that poverty can impair cognitive functioning, leading to poor decision-making and perpetuating financial struggles. The study found that individuals with pressing financial concerns exhibit a significant drop in cognitive function, similar to a 13-point dip in IQ.
A recent study published in the Clinical Journal of the American Society of Nephrology found that individuals with type 2 diabetes and normal kidney function who have persistent albuminuria (protein in the urine) are at a greater risk for cognitive decline. The study, which followed 2977 diabetics over four to five years, showed that t...
Research from University of Luxembourg finds employment gaps during working life can decrease cognitive reserve, with training and maternity spells associated with slower cognitive decline. The study suggests cognitively stimulating activities during employment gaps may have beneficial effects on cognitive function.
Increased visit-to-visit blood pressure variability is associated with worse performance on cognitive tests, including selective attention and reaction time, general cognitive speed, immediate and delayed memory. Higher variability also links to higher stroke risk, independent of average blood pressure.
New research suggests that dementia prevalence in the UK has fallen from 8.3% in 1991 to 6.5% in 2011, a reduction of 24.1%. This decline is attributed to lower rates among women and no change in prevalence among men.
A study of postmenopausal hormone therapy found no long-term benefits or risks to cognitive function in women aged 50-55. Cognitive assessments conducted 7.2 years after treatment cessation showed similar global and domain-specific cognitive functioning between those who received hormone therapy and placebo.
A study finds that active smokers with alcohol dependence show more problems with memory, problem-solving skills, and cognitive efficiency than non-smokers. The effects become greater with increasing age, suggesting that chronic cigarette smoking and excessive alcohol consumption exacerbate neurocognitive decline in older adults.