Introduction: Studies suggest that cognitive abilities predict total
and cardiovascular disease mortality as strongly as currently wellestablished
risk factors [1,2]. Reaction time, i.e., the time elapsed
between a sensory stimulus and the required response, is significantly
associated with cognitive ability [3]. As with the cognitive ability–
mortality association, slower and more variable reaction times are associated
with an increased risk of all-cause and cause-specific mortality
[2,4–6]. The importance of reaction time as a risk factor for mortality
has been emphasized, by demonstrating that reaction time is a stronger
predictor of mortality than other cognitive tests, including IQ [5,6].
However, the extent to which the knowledge of baseline simple reaction
time provides clinically meaningful risk information for mortality
beyond traditional risk factors is unclear.
Introduction: Studies suggest that cognitive abilities predict totaland cardiovascular disease mortality as strongly as currently wellestablishedrisk factors [1,2]. Reaction time, i.e., the time elapsedbetween a sensory stimulus and the required response, is significantlyassociated with cognitive ability [3]. As with the cognitive ability–mortality association, slower and more variable reaction times are associatedwith an increased risk of all-cause and cause-specific mortality[2,4–6]. The importance of reaction time as a risk factor for mortalityhas been emphasized, by demonstrating that reaction time is a strongerpredictor of mortality than other cognitive tests, including IQ [5,6].However, the extent to which the knowledge of baseline simple reactiontime provides clinically meaningful risk information for mortalitybeyond traditional risk factors is unclear.
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