The sleep and wake drives : exploring the genetic and psychophysiological aspects of sleepiness, motivation, and performance

Watling, Christopher N. (2016) The sleep and wake drives : exploring the genetic and psychophysiological aspects of sleepiness, motivation, and performance. PhD thesis, Queensland University of Technology.

Abstract

This research program examined the factors of motivation and genetic variations for their effects on sleepiness and performance. The results suggest that certain genetic variations were found to influence aspects of physiological and subjective sleepiness as well as performance outcomes. Motivation had no effect on performance when partially sleep deprived, but motivation improved task performance on a low-order cognitive task when fully rested. The results suggest sleepiness is resistant to motivation to improve performance. As such, drivers who continue to drive while sleepy by applying extra effort to the task of driving are engaging in a risky driving behaviour.

Impact and interest:

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Full-text downloads:

39 since deposited on 06 Oct 2016
39 in the past twelve months

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ID Code: 98754
Item Type: QUT Thesis (PhD)
Supervisor: Biggs, Herbert, Armstrong, Kerry, Voisey, Joanne, & Smith, Simon
Keywords: sleepiness, sleep deprivation, motivation, genetics, performance, driving performance, physiological sleepiness, subjective sleepiness, hazard perception, psychomotor vigilance
Divisions: Current > Research Centres > Centre for Accident Research & Road Safety - Qld (CARRS-Q)
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Institution: Queensland University of Technology
Deposited On: 06 Oct 2016 01:28
Last Modified: 06 Oct 2016 02:59

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