The effects of cannabis on mind-wandering

To examine the effects of cannabis on mind-wandering, regular cannabis smokers of legally purchased pre-rolls took part in a three-session remote study. In each 30-min session participants completed three blocks of an attention task in which they pressed the spacebar in time with a metronome tone (t...

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Main Authors: Adrian Berk Safati, Wisam Almohamad Alkheder, Cassandra Justine Lowe, Daniel Smilek
Format: Article
Language:English
Published: Elsevier 2025-02-01
Series:Heliyon
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Online Access:http://www.sciencedirect.com/science/article/pii/S2405844025012927
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author Adrian Berk Safati
Wisam Almohamad Alkheder
Cassandra Justine Lowe
Daniel Smilek
author_facet Adrian Berk Safati
Wisam Almohamad Alkheder
Cassandra Justine Lowe
Daniel Smilek
author_sort Adrian Berk Safati
collection DOAJ
description To examine the effects of cannabis on mind-wandering, regular cannabis smokers of legally purchased pre-rolls took part in a three-session remote study. In each 30-min session participants completed three blocks of an attention task in which they pressed the spacebar in time with a metronome tone (the Metronome Response Task), and intermittently reported their levels of spontaneous and deliberate mind-wandering. Performance on the Metronome Response Task was indexed through response time variability, with greater response variability indicating poorer performance. Following an initial ‘baseline’ block, participants were instructed to mind-wander either 20 % or 80 % of the time in the second and third blocks (counterbalanced). Critically, the first and third sessions were scheduled on days of planned abstention while the second session immediately followed the (planned) use of cannabis (an ABA design). In the baseline blocks we found that cannabis use is associated with a large increase in spontaneous mind-wandering, a smaller increase in deliberate mind-wandering, and impaired task performance. When participants were instructed to mind-wander 20 % or 80 % of the time, cannabis use reduced instruction-related changes in deliberate mind-wandering and task performance, suggesting an impairment of the regulation of mind-wandering.
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spelling doaj-art-67aa1300ff514699bcd96ec1112f586d2025-08-20T02:45:25ZengElsevierHeliyon2405-84402025-02-01114e4291110.1016/j.heliyon.2025.e42911The effects of cannabis on mind-wanderingAdrian Berk Safati0Wisam Almohamad Alkheder1Cassandra Justine Lowe2Daniel Smilek3Department of Psychology, University of Waterloo, Canada; Corresponding author. Department of Psychology, University of Waterloo, 200 University Ave W., Waterloo, ON, N2L 3G1, Canada.Department of Psychology, University of Waterloo, CanadaDepartment of Psychology, University of Exeter, United KingdomDepartment of Psychology, University of Waterloo, CanadaTo examine the effects of cannabis on mind-wandering, regular cannabis smokers of legally purchased pre-rolls took part in a three-session remote study. In each 30-min session participants completed three blocks of an attention task in which they pressed the spacebar in time with a metronome tone (the Metronome Response Task), and intermittently reported their levels of spontaneous and deliberate mind-wandering. Performance on the Metronome Response Task was indexed through response time variability, with greater response variability indicating poorer performance. Following an initial ‘baseline’ block, participants were instructed to mind-wander either 20 % or 80 % of the time in the second and third blocks (counterbalanced). Critically, the first and third sessions were scheduled on days of planned abstention while the second session immediately followed the (planned) use of cannabis (an ABA design). In the baseline blocks we found that cannabis use is associated with a large increase in spontaneous mind-wandering, a smaller increase in deliberate mind-wandering, and impaired task performance. When participants were instructed to mind-wander 20 % or 80 % of the time, cannabis use reduced instruction-related changes in deliberate mind-wandering and task performance, suggesting an impairment of the regulation of mind-wandering.http://www.sciencedirect.com/science/article/pii/S2405844025012927AttentionMind-wanderingSustained attentionThought controlExecutive controlExperience sampling
spellingShingle Adrian Berk Safati
Wisam Almohamad Alkheder
Cassandra Justine Lowe
Daniel Smilek
The effects of cannabis on mind-wandering
Heliyon
Attention
Mind-wandering
Sustained attention
Thought control
Executive control
Experience sampling
title The effects of cannabis on mind-wandering
title_full The effects of cannabis on mind-wandering
title_fullStr The effects of cannabis on mind-wandering
title_full_unstemmed The effects of cannabis on mind-wandering
title_short The effects of cannabis on mind-wandering
title_sort effects of cannabis on mind wandering
topic Attention
Mind-wandering
Sustained attention
Thought control
Executive control
Experience sampling
url http://www.sciencedirect.com/science/article/pii/S2405844025012927
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