Effect of continuous cooling on inhibition and attention while wearing firefighter's PPE in a hot environment.

Journal of Occupational and Environmental Hygiene
Ali M AljaroudiW Jon Williams

Abstract

Firefighting is physically and mentally strenuous, requiring rapid, appropriate decision-making in hot environments. Intact cognitive function is imperative to firefighters' effectiveness and safety. The study purpose was to investigate the effect of hyperthermia and the effect of body cooling on sustained attention and response inhibition while wearing firefighters' personal protective ensembles after exercise in a hot environment. Twelve healthy males were recruited to participate in two randomly assigned exercise sessions (walking on a treadmill for 40 min at 40% [Formula: see text] O2max while wearing firefighter's protective ensemble) in a hot environment: control (no cooling) and intervention (cooling). For intervention sessions, a cooling garment was worn underneath firefighter's protective ensemble and infused with 18 °C water supplied by an external water circulator. Participants performed a computerized Go/No-Go (a measure of cognitive function) test three times at baseline and post-exercise for each experimental session. Participants completed baseline testing while wearing cotton athletic clothing. The exercise continued until the core temperature reached ∼39 °C (for all subjects regardless of cooling or non-cooling...Continue Reading

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Citations

Apr 6, 2021·Journal of Occupational and Environmental Hygiene·Ali M AljaroudiW Jon Williams

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Software Mentioned

Laboratory Virtual Instrument Engineering Workbench [ LabVIEW ]
Psychology Experiment Building Language ( PEBL )
R
R Foundation for Statistical

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