EEG Variations During Measurement of Cognitive Functions Using Biosignal Acquisition Toolkit
Yoshio Kaji, Yoshikazu Yamamoto, Junji Kawata, Jiro Morimoto, and Shoichiro Fujisawa
Faculty of Science and Engineering, Tokushima Bunri University
1314-1 Shido, Sanuki, Kagawa 769-2193, Japan
The occurrence of serious traffic accidents due to driving error has recently become a social issue. The decline in cognitive functions is considered a factor particularly among elderly drivers, for which some corrective measures are urgently needed. Currently, as a measure dealing with elderly drivers, drivers aged 75 years are required by law to examine their cognitive functions when they renew their driver’s license. This examination is conducted to measure memory and power of judgment. In the present study, we used a device that allows simple measurements and attached electrodes to the frontal pole, where it is easy to attach; measure electroencephalograms for the cognitive functions of memory, mental calculations (thinking), and memory recall; and examine the changes in the power spectra to determine how they vary in young and elderly individuals.
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