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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
neuroscience
A multifaceted investigation of the link between mental fatigue and task disengagement
Psychophysiology, Volume 52, No. 3, Year 2015
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Description
Mental fatigue is often characterized by reduced motivation for effortful activity and impaired task performance. We used subjective, behavioral (performance), and psychophysiological (P3, pupil diameter) measures during an n-back task to investigate the link between mental fatigue and task disengagement. After 2h, we manipulated the rewards to examine a possible reengagement effect. Analyses showed that, with increasing fatigue and time-on-task, performance, P3 amplitude, and pupil diameter decreased. After increasing the rewards, all measures reverted to higher levels. Multilevel analysis revealed positive correlations between the used measures with time-on-task. We interpret these results as support for a strong link between task disengagement and mental fatigue. © 2014 Society for Psychophysiological Research.
Authors & Co-Authors
Hopstaken, Jesper F.
Netherlands, Rotterdam
Erasmus Universiteit Rotterdam
Van Der Linden, Dimitri
Netherlands, Rotterdam
Erasmus Universiteit Rotterdam
Bakker, Arnold Bastiaan
Netherlands, Rotterdam
Erasmus Universiteit Rotterdam
Hong Kong, Hong Kong
Lingnan University, Hong Kong
Statistics
Citations: 237
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1111/psyp.12339
ISSN:
00485772