20110246144 | Time Series Data Analyzer, And A Computer-Readable Recording Medium Recording A Time Series Data Analysis Program - The inventor had proposed to use the value of the overall trend of the spectrum of electroencephalogram data as an indicator of the state of the subject on the basis of the findings that the spectrum of electroencephalogram data is an exponential spectrum and that the gradient changes depending on the state of the subject, but the respective states of a subject could not be identified by referring to the value of the gradient only. | 10-06-2011 |