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The number of diagnosed concussions and length of playing career were not tied to later cognition.
Associations were seen with processing speed, attention, and executive function in the older UK Biobank cohort (ages 44 to 83 years).
A high false-positive rate was seen when used in primary care with a diverse patient population.
Higher sleep apnea severity was related to lower medial temporal lobe subregion volumes in amyloid-positive, but not amyloid-negative, individuals.
Neurobehavioral impairment was seen for processing speed, working memory and other cognitive functions.
Small but significant associations were seen between elevated biomarker levels and worsened cognitive performance.
In active and retired fighters who were TES-positive, the rate of cognitive decline was significantly greater for reaction time.
No association was seen for changes in immediate or delayed memory.
In the first year after stroke, there is an almost threefold higher risk for dementia.
Patients with stroke have steeper declines in the 10 years before stroke compared with stroke-free controls.