Critical Reviews™ in Biomedical Engineering

ISSN for PRINT: 0278-940X

For Online Access

Best Paper Award Selection - Editorial Board Site

2001, Volume29

Issue 1

180 pages

Issue price - $266.00

V. V. Dementienko
Candidate of Physical and Mathematical Sciences, Laboratory Head, Senior Researcher at the Institute of Radio Engineering and Electronics of the Russian Academy of Sciences, Scientific Deputy Director at the NEIROKOM Joint-Stock Company, Moscow, Russia

A. G. Markov
Candidate of Physical and Mathematical Sciences, Senior Researcher at the Institute of Radio Engineering and Electronics of the Russian Academy of Sciences, Moscow, Russia

L. G. Koreneva
Doctor of Physical and Mathematical Sciences, Chief Researcher at the Institute of Radio Engineering and Electronics of the Russian Academy of Sciences, Moscow, Russia

V. M. Shakhnarovich
Doctor of Medical Science, Corresponding Member of the Russian Academy of Natural Sciences, General Director at the NEIROKOM Joint-Stock Company, Moscow, Russia

A concept for designing automatic checkout systems to prevent drivers from falling asleep is presented. It is shown that such systems should use the frequency of electrodermal reactions (EDR), which is governed by changes in skin resistance. Such changes have a time constant of several seconds. To detect these reactions, a special technique was developed. Experimental investigations yielded the quantitative characteristics of EDR changes associated with decreased vigilance. It was found that, when a person started to fall asleep, the EDR frequency diminished. An EDR-based system was developed to assess the alertness level. Such a system may be employed to prevent drivers from falling asleep.

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