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The mechanisms of far transfer from cognitive training: specifying the role of distraction suppression

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Abstract

Cognitive training aims to produce a durable transfer to untrained abilities (i.e., far transfer). However, designing effective programs is difficult, because far transfer mechanisms are not well understood. Greenwood and Parasuraman (Neuropsychol 30(6):742–755. https://doi.org/10.1037/neu0000235, 2016) proposed that the ability to ignore distractions is key in promoting far transfer. While the authors identified working-memory training based on the N-back task as an effective way to train distraction suppression, a recent meta-analysis concluded that this form of training rarely produces far transfer. Such inconsistency casts doubt onto the importance of distraction suppression in far transfer and calls for further examination of the role of this ability in cognitive training effectiveness. We propose here to conceptualize distraction suppression in the light of the load theory of attention, which distinguishes two mechanisms of distractor rejection depending on the level and type of information load involved: perceptual selection and cognitive control. From that standpoint, N-back training engages a single suppression mechanism, namely cognitive control, because it mainly involves low perceptual load. In the present study, we compared the efficacy of N-back training in producing far transfer to that of a new response-competition training paradigm that solicits both distraction suppression mechanisms. Response-competition training was the only one to produce far transfer effects relative to an active control training. These findings provided further support to Greenwood and Parasuraman’s hypothesis and suggest that both selection perception and cognitive control need to be engaged during training to increase the ability to suppress distraction, hence to promote far transfer.

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Data availability

Data and stimuli are available from the corresponding author upon reasonable request.

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Analysis code is available from the corresponding author upon reasonable request.

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Acknowledgements

Thanks are due to Alessandro Pozzi, Lysandre Provost, Hugo Fitzback-Fortin, Joanie Lamirande, Francis-Loïc Dubé and Agathe Blanchette-Sarrasin for their help with data collection.

Funding

This research was supported by a grant from the Natural Sciences and Engineering Research Council (NSERC) of Canada (418623-2013) awarded to F. Vachon. A. Desmarais was supported by a scholarship from the Fonds de Recherche du Québec Société et Culture (FRQSC) as well as a scholarship from the Social Sciences and Humanities Research Council (SSHRC).

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Contributions

AD determined the research question, wrote the main manuscript text, carried out data analyses, and prepared the figures and tables. AD and FV jointly designed the experimental procedure. FV reviewed the manuscript and supervised the whole work.

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Correspondence to Annie Desmarais.

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The authors have no known conflict of interest to disclose.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the University Ethics Committee.

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Desmarais, A., Vachon, F. The mechanisms of far transfer from cognitive training: specifying the role of distraction suppression. Psychological Research 87, 425–440 (2023). https://doi.org/10.1007/s00426-022-01677-9

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  • DOI: https://doi.org/10.1007/s00426-022-01677-9

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