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End-tidal PCO2 as an index of psychophysiological activitiy during VDT data-entry work and relaxation
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MAP20071019416
Schleifer, Lawrence M. ‌
End-tidal PCO2 as an index of psychophysiological activitiy during VDT data-entry work and relaxation / Lawrence M. Schleifer and Ronald Ley
Sumario: The present study was designed to assess the utility of end-tidal PCO2 (peak concentration of carbon dioxide in a single breath of exhaled air) as an index of psycholphysiological activity during performance of a computer-based task and during relaxation. Eleven data-entry operators were monitored continuously for three consecutive, 6 hour work days under the following conditions: during a self-relaxation baseline period; during an abbreviated progressive muscle relaxation period; and during a period of computer-based data-entry work. End-tidal PCO2, respiration frequency, and cardiac inter-beat interval were monitored continuously during the three conditions of the study
En: Ergonomics. - London and Washington. - Vol. 37, nº 2, February 1994 ; p. 245-254
1. Ergonomía ‌. 2. Pantallas de visualización de datos ‌. 3. Estrés ‌. 4. Ambiente de trabajo ‌. 5. Dióxido de carbono ‌. 6. Psicofisiología ‌. I. Ley, Ronald ‌. II. Título. III. Título: Ergonomics.