An Exploratory Study of the Psychological Effects of Intermittent Exposure to Elevated Carbon Dioxide Levels
NAVAL SUBMARINE MEDICAL RESEARCH LAB GROTON CT
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The purpose of the study was to determine whether any remarkable psychological changes occur as a result of intermittent exposure to 3 carbon dioxide for six days. The measures used to detect these effects were 1 the Response Analysis Tester RATER which measures general vigilance 2 single- digit addition test as a measure of problem-solving ability 3 letter cancellation as a measure of eye-hand coordination and sequented reaction time and 4 adjective checklist measures of depression, hostility, anxiety and general maladjustive trends. The data from this pilot study tentatively suggest that some emotional changes may occur during the six-day CO2 exposure period. On the other hand, vigilance, coordination and problem-solving ability probably do not change under the same conditions, although a more carefully controlled study involving a substantial subject sample is needed to demonstrate this fact.