End-tidal PCO2 as an index of psychophysiological activitiy during VDT data-entry work and relaxation

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<title>End-tidal PCO2 as an index of psychophysiological activitiy during VDT data-entry work and relaxation</title>
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<title>Ergonomics</title>
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<name type="personal" usage="primary" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080310943">
<namePart>Schleifer, Lawrence M.</namePart>
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<name type="personal" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080028640">
<namePart>Ley, Ronald</namePart>
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<dateIssued encoding="marc">1994</dateIssued>
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<abstract displayLabel="Summary">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</abstract>
<note type="statement of responsibility">Lawrence M. Schleifer and Ronald Ley</note>
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<topic>Ergonomía</topic>
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<topic>Pantallas de visualización de datos</topic>
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<topic>Estrés</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080588946">
<topic>Ambiente de trabajo</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080584740">
<topic>Dióxido de carbono</topic>
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<topic>Psicofisiología</topic>
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<title>Ergonomics</title>
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<publisher>London and Washington</publisher>
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<part>
<text>Vol. 37, nº 2, February 1994 ; p. 245-254</text>
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