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No State Effects of Brief Mindfulness Meditation on the Executive Functions of Inhibition, Shifting, and Updating

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Abstract

Mindfulness meditation has been shown to improve or protect the executive functions of inhibition, shifting, and updating. However, the unique effects of mindfulness meditation are unclear as many studies demonstrating benefit did not randomize participants to groups nor use active controls with equated expectations of cognitive improvement. Additionally, many studies did not observe executive function benefit following mindfulness meditation; it is possible that unmeasured variables (e.g., trait anxiety) moderated the efficacy of these mindfulness inductions. Finally, the state effects of brief mindfulness meditation (< 1 h) on executive functions are not well-understood. In a well-controlled experiment with three separate participant sets, the current study investigated the unique state effects of brief mindfulness meditation on the executive functions of inhibition, shifting, and updating. Trait anxiety was also examined as a potential moderator of these effects. Undergraduates (n = 391) were recruited from a psychological sciences subject pool to examine the effects of brief cognitive training; data from 384 participants were analyzed. Participants were randomly assigned to an inhibition, shifting, or updating task and either 15 min of focused-attention mindfulness meditation or an active control (i.e., drawing) task. Participants completed their executive function task before and after the mindfulness meditation or active control task. There were no unique state effects of brief mindfulness meditation on executive functions (Fs < 1), nor did trait anxiety moderate these effects (p < .42). Given the null results of the current research, novice practitioners should appropriately calibrate their expectations for brief mindfulness meditation impacting executive functions.

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Data Availability

Data is available in Open Science Framework at DOI https://doi.org/10.17605/OSF.IO/3BSK7. Executive function tasks, trait anxiety questions, and mindfulness induction can be obtained from their initial sources, cited in current text. Expectations, Manipulation Checks and Demographic Questions, and Group Overviews are available by contacting the author.

Notes

  1. Separate moderation analyses were conducted with trait worry (i.e., cognitive component of STICSA total) as the moderator variable. Attention Control Theory (Eysenck et al. 2007) and some subsequent work (Gustavson et al. 2020; Gustavson and Miyake 2016) suggest that only the worry component of anxiety impacts executive functions and would therefore moderate the effects of mindfulness meditation. Other research suggests trait anxiety generally (but not worry nor physiological symptoms specifically) effect executive functions (Gustavson et al. 2017). These analyses were also null (p > .05).

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The author is responsible for the study design, data analysis, and manuscript.

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Correspondence to Michael F. S. Baranski.

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This study was performed in line with the principles of the Declaration of Helsinki. The current research was approved by the institutional review board at the university where the research was conducted.

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Informed consent was obtained from all individual participants included in the study. Data was deidentified during analysis and for subsequent publication.

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Appendices

Appendix 1. Brief Mindfulness Training Overview

Mindfulness refers to when you focus your full attention on the present moment in a nonjudgmental way. Mindfulness training is the intentional cultivation and practice of mindfulness. You will practice brief mindfulness training to develop awareness of yourself as well as your environment. You will practice finding a balance between a relaxed state of mind and a highly attentive one.

Being mindful is something you can do at any point during your day, as many times as you would like. You simply take a deep breath, bring your attention to what is happening in the present moment, and observe what is going on in your mind, your body, and your environment.

You will likely notice that your mind will wander during training. Becoming aware of how busy your mind can be is one of the most important aspects of mindfulness training. When your mind has wandered, simply acknowledge the distraction, let the distraction go, and gently bring your attention back to the mindfulness instructions. You simply start over and most importantly, you do not judge yourself or get frustrated; you take it easy on yourself. You can start over as many times as you want. It is part of the training—you are training your mind.

When you practice, sit upright in a comfortable position with your back straight and your feet flat on the floor. Try to incorporate what you do during mindfulness training into other tasks: focus your attention on the present moment without judgment. Reorient your attention back to the present moment when you notice mind-wandering or distraction.

Appendix 2. Brief Cognitive Training Overview

You will practice brief cognitive training to develop your abilities across a range of tasks. By engaging in cognitive training, you may be able to improve your cognitive functioning. This may occur not only for the tasks you practice with, but may also transfer to other nonpracticed tasks.

Try your best to be fully engaged in each task and complete it to the best of your current abilities. The task you will be training on involves skills and abilities you will likely find useful outside of the laboratory: memory, attention, motor control, and visual scanning. In your current training task, you will be combining these abilities in a simple drawing task. By “working” each ability during the task, these abilities may improve in their effectiveness and you’ll see benefits on other tasks. For example, training your memory to keep things in mind will help you finish your drawing task quicker, and may carry over into other benefits like remembering items at the grocery store. Or, getting more efficient in visual scanning may aid your completion of the drawing task as well as becoming better able to quickly navigate spatial displays in your environment.

Work as quickly and as accurately as possible, but do not rush. Do not be discouraged if a task seems difficult. The abilities you develop during cognitive training may carry over into unpracticed tasks. Try to incorporate what you do during training into other tasks: be engaged and improve performance when possible.

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Baranski, M.F.S. No State Effects of Brief Mindfulness Meditation on the Executive Functions of Inhibition, Shifting, and Updating. J Cogn Enhanc 5, 311–329 (2021). https://doi.org/10.1007/s41465-020-00198-w

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