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A highly replicable decline in mood during rest and simple tasks

Jangraw, David C; Keren, Hanna; Sun, Haorui; Bedder, Rachel L; Rutledge, Robb B; Pereira, Francisco; Thomas, Adam G; ... Stringaris, Argyris; + view all (2023) A highly replicable decline in mood during rest and simple tasks. Nature Human Behaviour , 7 (4) pp. 596-610. 10.1038/s41562-023-01519-7. Green open access

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Abstract

Does our mood change as time passes? This question is central to behavioural and affective science, yet it remains largely unexamined. To investigate, we intermixed subjective momentary mood ratings into repetitive psychology paradigms. Here we demonstrate that task and rest periods lowered participants' mood, an effect we call 'Mood Drift Over Time'. This finding was replicated in 19 cohorts totalling 28,482 adult and adolescent participants. The drift was relatively large (-13.8% after 7.3 min of rest, Cohen's d = 0.574) and was consistent across cohorts. Behaviour was also impacted: participants were less likely to gamble in a task that followed a rest period. Importantly, the drift slope was inversely related to reward sensitivity. We show that accounting for time using a linear term significantly improves the fit of a computational model of mood. Our work provides conceptual and methodological reasons for researchers to account for time's effects when studying mood and behaviour.

Type: Article
Title: A highly replicable decline in mood during rest and simple tasks
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1038/s41562-023-01519-7
Publisher version: https://doi.org/10.1038/s41562-023-01519-7
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Division of Psychiatry
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Imaging Neuroscience
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Division of Psychiatry > Mental Health Neuroscience
URI: https://discovery.ucl.ac.uk/id/eprint/10169084
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