Yosaku Watanabe

Analysis of mental workload during the work with computers using R-R intervals time series

Abstract This paper describes the analysis methods and results of mental workload during computer work. R-R intervals time series were used for the analysis. The heart rate, coefficient of variation of R-R intervals, power spectral density function and impulse response function deriving from autoregressive model were used as parameters of heart rate variability. Computer workload was characterized by comparing other mental and physical workloads to computer ones. Results are also described with regard to changes of the computer workloads during 75 minutes work.