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Cognition is a concept used in different ways by different disciplines, but is generally accepted to mean the process of thought. For example, in psychology and cognitive science it refers to an information processing view of an individual's psychological functions.

Marijuana use could pose serious cognitive function risk later in life

Marijuana is the most frequently used illicit drug in the United States, according to a recent survey from the National Survey on Drug Use and Health, and new data suggest that marijuana use now could pose a serious cognitive function risk later in life. [More]
UCI researchers identify potential strategies to prevent cognitive decline

UCI researchers identify potential strategies to prevent cognitive decline

As brain cells age they lose the fibers that receive neural impulses, a change that may underlie cognitive decline. Researchers at the University of California, Irvine recently found a way to reverse this process in rats. The study was published February 3 in The Journal of Neuroscience. Researchers caution that more studies are needed, but the findings shed light on the mechanisms of cognitive decline and identify potential strategies to stem it. [More]

Negative attitudes towards ageing seem to affect health in later years

Negative attitudes to ageing affect both physical and cognitive health in later years, new research reveals. The study from the Irish Longitudinal Study on Ageing, at Trinity College Dublin, further reveals that participants with positive attitudes towards ageing had improved cognitive ability. [More]
Hearing aids improve brain function in people with hearing loss

Hearing aids improve brain function in people with hearing loss

A recent study by Jamie Desjardins, Ph.D., an assistant professor in the speech-language pathology program at The University of Texas at El Paso, found that hearing aids improve brain function in persons with hearing loss. [More]
Education level influences cognitive training outcomes in older adults

Education level influences cognitive training outcomes in older adults

The first study to investigate the effects of cognitive training on the cognitive functioning of older adults by education level has found that individuals with fewer than 12 years of schooling benefit more from cognitive training than their more highly educated counterparts. [More]
Second-hand smoke exposure linked to larger waist, poorer cognition in children

Second-hand smoke exposure linked to larger waist, poorer cognition in children

Exposure to second-hand smoke is associated with a larger waist and poorer cognition in children, researchers say. [More]

Four factors help predict later cognitive function, motor performance for children with low birth weight

Four factors - medical complications at birth, maternal education, early motor assessments, and early cognitive assessments - help predict later cognitive function and motor performance for children born early and at a very low birth weight, finds a new study by NYU's Steinhardt School of Culture, Education, and Human Development. [More]
Synaptic plasticity alterations responsible for memory impairment in Alzheimer's disease

Synaptic plasticity alterations responsible for memory impairment in Alzheimer's disease

Neurons communicate with one another by synaptic connections, where information is exchanged from one neuron to its neighbor. These connections are not static, but are continuously modulated in response to the ongoing activity (or experience) of the neuron. This process, known as synaptic plasticity, is a fundamental mechanism for learning and memory in humans as in all animals. [More]
Genes that influence people's health also have impact on some cognitive functions

Genes that influence people's health also have impact on some cognitive functions

Genes that influence people's health also shape how effectively they think, a study shows. Scientists found that genes associated with diseases including Alzheimer's disease, schizophrenia, and autism also have an impact on some cognitive functions. [More]
Preventing memory loss in Alzheimer's Disease, a new key mechanism

Preventing memory loss in Alzheimer's Disease, a new key mechanism

Neurons communicate with one another by synaptic connections, where information is exchanged from one neuron to its neighbor. These connections are not static, but are continuously modulated in response to the ongoing activity (or experience) of the neuron. [More]
Mayo Clinic study finds no association between surgical anesthesia and development of MCI later in life

Mayo Clinic study finds no association between surgical anesthesia and development of MCI later in life

A Mayo Clinic study of people who received anesthesia for surgery after age 40 found no association between the anesthesia and development of mild cognitive impairment later in life. Mild cognitive impairment is a stage between the normal cognitive decline of aging and dementia. [More]
Rapastinel demonstrates pro-cognitive benefits in animal model of cognitive impairment

Rapastinel demonstrates pro-cognitive benefits in animal model of cognitive impairment

Allergan plc, a leading global pharmaceutical company, announced today that new data on the investigational medication rapastinel (GLYX-13) and its lack of impairment on cognitive function were published in the peer-reviewed journal Behavioural Brain Research. [More]
Taking up new mental challenges may help maintain cognitive vitality

Taking up new mental challenges may help maintain cognitive vitality

One of the greatest challenges associated with the growing numbers of aged adults is how to maintain a healthy aging mind. Taking up a new mental challenge such as digital photography or quilting may help maintain cognitive vitality, say researchers reporting in Restorative Neurology and Neuroscience. [More]
Topiramate drug curbs marijuana use among young smokers, but with serious side effects

Topiramate drug curbs marijuana use among young smokers, but with serious side effects

Combining the drug topiramate with psychological counseling curbed marijuana use among young smokers significantly more than did counseling alone, according to newly published results of a small randomized, controlled trial at Brown University. The results come with a caveat, however: many study volunteers couldn't tolerate the medicine's side effects. [More]
Does cancer affect memory? An interview with Associate Professor Janette Vardy

Does cancer affect memory? An interview with Associate Professor Janette Vardy

The study evaluated cognitive function in patients with colorectal cancer. It characterized the incidence and severity of cognitive impairment in people with colorectal cancer (CRC) compared to healthy controls. [More]
Easy-to-follow MIND diet helps lower Alzheimer's risk

Easy-to-follow MIND diet helps lower Alzheimer's risk

A diet created, studied and reported on by researchers at Rush University Medical Center has been ranked the easiest diet to follow and the second best overall diet (tying in both categories) for 2016 by U.S. News & World Report. [More]
Scientists identify genes linked to human intelligence

Scientists identify genes linked to human intelligence

Scientists from Imperial College London have identified for the first time two clusters of genes linked to human intelligence. [More]
Study: Weight loss due to dietary changes can improve sleep at any body weight

Study: Weight loss due to dietary changes can improve sleep at any body weight

Weight loss due to dietary changes can improve sleepiness at any weight, says a study published by researchers from the Perelman School of Medicine at the University of Pennsylvania this month in the journal Sleep. The findings offer new insights into how weight fluctuations impact numerous aspects of sleep independent of body weight. [More]
Understanding how thought arises from brain structure

Understanding how thought arises from brain structure

Using 20 years of functional magnetic resonance imaging (fMRI) data from tens of thousands of brain imaging experiments, computational neuroscientists Hava Siegelmann and a postdoctoral colleague at the University of Massachusetts have created a geometry-based method for massive data analysis to reach a new understanding of how thought arises from brain structure. [More]

Researcher presents quantitative model of electrical cascades activated in the brain during perceptual tasks

The word 'avalanche' is generally associated with violent and unexpected events -- such as rockslides, or the sudden collapse of unstable drifts of snow. But in brain research, avalanches -- intermittent cascades of electrical activity -- are everyday occurrences that are not only peaceful, but actually reflect stability. [More]
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