Apparatus and method for analyzing information relating to physi

Details Apparatus and method for analyzing information relating to physi Apparatus and method for analyzing information relating to physi

1995-08-31

1999-03-23

Lacyk, John P.

Surgery

Truss

Pad

128732, 128731, A61B 504

Patent

active

058846263

ABSTRACT:
An apparatus and method are provided for analyzing information relating to the physiological and psychological conditions of a driver. Psychological conditions such as comfortableness or degree of alertness are estimated on the basis of physical data such as fluctuation in brain waves. This apparatus comprises a first neural network having a pre-processed 1/f fluctuation signal for brain waves as an input and for estimating a degree of alertness of the driver, and a second neural network receiving the estimated degree of alertness and the pre-processed 1/f fluctuation signal, for estimating and outputting driving comfortableness. By employing a neural network, which has a mapping ability as well as flexible adaptability even for non-linear data, based on the learning function, more accurate estimation of mental conditions can be achieved in comparison with conventional statistical analysis.

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Medical & Biological Engineering & Computing, vol. 31, No 4, Jul. 1992 Stevenage GB, pp. 421-429, Shio-Lin Lin et al. "Conscious Mental Tasks and Their EEG Signal's", .

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