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Journal Article

Citation

Bogerd CP, Walker I, Bruhwiler PA, Rossi RM. Appl. Ergon. 2014; 45(3): 671-676.

Affiliation

TNO, CBRN Protection, Lange Kleiweg 137, 2288 GJ Rijswijk, the Netherlands. Electronic address: niels.bogerd@tno.nl.

Copyright

(Copyright © 2014, Elsevier Publishing)

DOI

10.1016/j.apergo.2013.09.009

PMID

24157241

Abstract

The present study looked at the effect of a helmet on cognitive performance under demanding conditions, so that small effects would become more detectible. Nineteen participants underwent 30 min of continuous visual vigilance, tracking, and auditory vigilance (VTT + AVT), while seated in a warm environment (27.2 (±0.6) °C, humidity 41 (±1)%, and 0.5 (±0.1) m s(-1) wind speed). The participants wore a helmet in one session and no helmet in the other, in random order. Comfort and temperature perception were measured at the end of each session. Helmet-wearing was associated with reduced comfort (p = 0.001) and increased temperature perception (p < 0.001), compared to not wearing a helmet. Just one out of nine cognitive parameters showed a significant effect of helmet-wearing (p = .032), disappearing in a post-hoc comparison. These results resolve previous disparate studies to suggest that, although helmets can be uncomfortable, any effect of wearing a helmet on cognitive performance is at worst marginal.


Language: en

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