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While conducting brake and acceleration simulations, researchers in Japan scanned the brains of older adults and college students and found that older adults had longer reaction times, slower decision-making times, and more active
parts of the brain involved in inhibiting and switching tasks.
According to media reports, there are more and more
accidents caused by older drivers mistakenly stepping on the accelerator instead of braking.
To bridge that gap, a team of researchers led by Professor Nobuyuki Kawai of the Graduate School of Informatics at Nagoya University in Japan scanned the brains
of older adults and students while conducting pedaling simulations.
To simulate the reaction of a person's hands and feet while driving, they created a new task in the lab called the bipedal and bipedal reaction selection and reaction position compatibility task
.
They found that older participants had longer reaction times, slower decision-making times and more active
brains than younger people.
Professor Kawai explains: "This suggests that cognitive load is higher
when pedaling diagonally with the foot, such as when stepping on the brakes.
The results of this study suggest that to compensate for the decline in cognitive function, older adults may need greater brain activation
.
Nobuyuki Kawai, Ryuzaburo Nakata.