Developing an objective indicator of fatigue: An alternative mobile version of the psychomotor vigilance task (m-PVT)

Evans, Michael, Harborne, Daniel and Smith, Andrew ORCID: https://orcid.org/0000-0001-8805-8028 2019. Developing an objective indicator of fatigue: An alternative mobile version of the psychomotor vigilance task (m-PVT). Longo, L. and Leva, M., eds. Human Mental Workload: Models and Applications. H-WORKLOAD 2018., Vol. 1012. Communications in Computer and Information Science, Switzerland: Springer, pp. 49-71. (10.1007/978-3-030-14273-5_4)

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Abstract

Approximately 20% of the working population report symptoms of feeling fatigued at work. The aim of the study was to investigate whether an alternative mobile version of the ‘gold standard’ Psychomotor Vigilance Task (PVT) could be used to provide an objective indicator of fatigue in staff working in applied safety critical settings such as train driving, hospital staffs, emergency services, law enforcements, etc., using different mobile devices. 26 participants mean age 20 years completed a 25-min reaction time study using an alternative mobile version of the Psychomotor Vigilance Task (m-PVT) that was implemented on either an Apple iPhone 6s Plus or a Samsung Galaxy Tab 4. Participants attended two sessions: a morning and an afternoon session held on two consecutive days counterbalanced. It was found that the iPhone 6s Plus generated both mean speed responses (1/RTs) and mean reaction times (RTs) that were comparable to those observed in the literature while the Galaxy Tab 4 generated significantly lower 1/RTs and slower RTs than those found with the iPhone 6s Plus. Furthermore, it was also found that the iPhone 6s Plus was sensitive enough to detect lower mean speed of responses (1/RTs) and significantly slower mean reaction times (RTs) after 10-min on the m-PVT. In contrast, it was also found that the Galaxy Tab 4 generated mean number of lapses that were significant after 5-min on the m-PVT. These findings seem to indicate that the m-PVT could be used to provide an objective indicator of fatigue in staff working in applied safety critical settings such as train driving, hospital staffs, emergency services, law enforcements, etc.

Item Type:	Book Section
Date Type:	Publication
Status:	Published
Schools:	Psychology Computer Science & Informatics
Subjects:	B Philosophy. Psychology. Religion > BF Psychology
Publisher:	Springer
ISBN:	978-3-030-14272-8
Last Modified:	25 Oct 2022 13:25
URI:	https://orca.cardiff.ac.uk/id/eprint/119806

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