Conjoint influence of mind-wandering and sleepiness on task performance

[en] Recent research suggests that sleepiness and mind-wandering—the experience of thoughts that are both stimulus-independent and task-unrelated—frequently co-occur and are both associated with poorer cognitive functioning. Whether these two phenomena have distinguishable effects on task performance remains unknown, however. To investigate this question, we employed the online experience sampling of mind-wandering episodes and subjective sleepiness during a laboratory task (the Sustained Attention to Response Task; SART), and also assessed mind-wandering frequency and sleep-related disturbances in daily life using self-report questionnaires. The results revealed that the tendency to experience mind-wandering episodes during the SART and daily life was associated with higher levels of daytime sleepiness and sleep-related disturbances. Importantly, however, mind-wandering and sleepiness were independent predictors of SART performance at both the within- and between-individuals levels. These findings demonstrate that, although mind-wandering and sleepiness frequently co-occur, these two phenomena have distinguishable and additive effects on task performance.

Research center :

Psychology and Neuroscience of Cognition Research Unit

Disciplines :

Theoretical & cognitive psychology

Author, co-author :

Stawarczyk, David ; Université de Liège > Département de Psychologie > Psychopathologie cognitive

D'Argembeau, Arnaud ; Université de Liège > Département de Psychologie > Psychopathologie cognitive

Language :

English

Title :

Conjoint influence of mind-wandering and sleepiness on task performance

Publication date :

October 2016

Journal title :

Journal of Experimental Psychology. Human Perception and Performance

ISSN :

0096-1523

eISSN :

1939-1277

Publisher :

American Psychological Association, Washington, United States - District of Columbia

Volume :

Issue :

Pages :

1587-15600

Peer reviewed :

Peer Reviewed verified by ORBi

Funders :

F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]

Available on ORBi :

since 03 May 2016

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