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标题:A multifaceted investigation of the link between mental fatigue and task disengagement
时间:2019-11-19 11:55:04
DOI:10.1111/psyp.12339
作者:Jesper F. Hopstaken;Dimitri van der Linden;Arnold B. Bakker
关键词:Fatigue;Motivation;P3;Pupil diameter;Task engagement
出版源: Psychophysiology ,2015 ,52 :305-315
摘要: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 2 h, 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.
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页数:13 PAGES
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