cognitive reserve


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cognitive reserve

The extent to which the brain can sustain damage, as from Alzheimer's disease, stroke, alcohol overuse and head injury, without affecting intellectual capacity. It has been shown that people with high literacy, educational levels and IQ will tend to have a higher cognitive reserve than the average. It is believed that the cognitive reserve can be sustained by life-long serious mental activity and the maintenance of physical fitness.
References in periodicals archive ?
Moreover, the association between plasma beta-amyloid 42:40 ratio and cognitive decline was strongest among people with a low cognitive reserve (as measured by less than a high school diploma or 6th grade literacy) and weakest among people with higher cognitive reserve.
Staying socially and intellectually engaged can build the cognitive reserve, the brain's ability to resist adverse changes, according to Cleveland Clinic neuropsychologist Cynthia Kubu, PhD.
Examples of relevant behavioral domains include, but are not limited to, social behaviors, resilience, vitality, adaptivity, personality, vulnerability to stress, health behaviors, social cognition, human and social capital accumulation, economic savings for retirement, risk-taking, happiness, coping, caregiving, cognitive abilities, cognitive flexibility, cognitive reserve, learning, and functional abilities.
Snowdon's team knew that studies by other groups had indicated that education protects against Alzheimer's dementia, perhaps by building up a cognitive reserve early in life that offsets the disease process.
These studies have concluded that seniors who participate in consistent, long-term mental stimulation reduce their dementia risk by up to 63%, apparently by building a cognitive reserve of neurons and synapses that help compensate for brain aging.
Nevertheless, applied studies of various memory and cognitive interventions are ongoing with humans with the goal of improving neural plasticity and cognitive reserve (Miller et al.
In both mice and humans, klotho appears to work in a manner independent of aging and may increase cognitive reserve at different life stages.
The findings, drawn from the English Longitudinal Study of Ageing, studied 6,400 British adults between the age group of 50 and 89 for eight years and found that "digital literacy increases brain and cognitive reserve or leads to the employment of more efficient cognitive networks to delay cognitive decline.
According to the cognitive reserve theory, very well educated and active people are more able to fend off the symptoms of dementia and brain damage.
Some of the findings by the University of Luxembourg have suggested that leaves reported as unemployment and sickness are associated with higher risk of cognitive impairment indicating that these kinds of employment gaps may decrease cognitive reserve in the long run.
Moreover, the association between plasma beta-amyloid 42:40 ratio and cognitive decline was strongest among people with a low cognitive reserve (as measured by less than a high school diploma or literacy at a 6th-grade level) and weakest among people with higher cognitive reserve.
Switching between languages is a stimulating activity - it is like carrying out brain exercises which builds up higher levels of what we call brain or cognitive reserve.
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