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Effects of CO on vigilance performance.

Authors
Putz-VR; Johnson-BL; Setzer-JV
Source
NIOSH 1976 Nov; :1-66
Link
NIOSHTIC No.
00068195
Abstract
Behavioral and neurological aspects of low level exposure to carbon- monoxide are investigated in a double-blind study with exposure to 5, 35, or 70ppm carbon-monoxide (630080). The behavioral measures of performance include: a compensatory tracking task to measure hand-eye coordination; a visual peripheral monitoring task to measure light intensity discrimination; and an auditory monitoring task to measure tone discrimination. Neurological assessment consists of an analysis of the components of the auditory evoked response. Carboxyhemoglobin levels of 1, 3, and 5 percent are obtained at the end of the fourth hour of exposure for carbon- monoxide exposures of 5, 35 and 70ppm, respectively. Statistically significant decrements in performance are noted at carboxyhemoglobin levels of 5 percent, the NIOSH recommended exposure limit.
Keywords
Sensory-perceptual-disorders; Toxic-gases; Air-contaminants; Nervous-system-disorders; Blood-chemistry; Behavior
CAS No.
630-08-0
Publication Date
19761101
Document Type
Numbered Publication
Fiscal Year
1977
NTIS Accession No.
PB-274219
NTIS Price
A05
Identifying No.
(NIOSH) 77-124
Source Name
National Institute for Occupational Safety and Health
State
OH
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