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A functional near-infrared spectroscopy study of the effects of configural properties on sustained attention

de Joux, Neil; Wilson, Kyle M.; Russell, Paul N.; Finkbeiner, Kristen M.; Helton, William S.

Authors

Neil de Joux

Kyle M. Wilson

Paul N. Russell

Kristen M. Finkbeiner

William S. Helton



Abstract

Forty-five participants performed a vigilance task during which they were required to respond to a critical signal at a local feature level, while the global display was altered between groups (either a circle, a circle broken apart and reversed, or a reconnected figure). The shape in two of the groups formed a configurative whole (the circle and reconnected conditions), while the remaining shape had no complete global element (broken circle). Performance matched the results found in the previous experiments using this stimulus set, where a configural superiority effect was found to influence accuracy over time. Physiological data, measured using functional near-infrared spectroscopy, revealed elevated activation in the right pre-frontal cortex compared to the left pre-frontal cortex during the task. Additionally, bilateral activation was found in the conditions that formed configurative wholes, while hemispheric differences over time were found in the condition that did not. These findings suggest that configural aspects of stimuli may explain why non-typical laterality effects have been found in similar research.

Citation

de Joux, N., Wilson, K. M., Russell, P. N., Finkbeiner, K. M., & Helton, W. S. (2017). A functional near-infrared spectroscopy study of the effects of configural properties on sustained attention. Neuropsychologia, 94, https://doi.org/10.1016...psychologia.2016.12.001

Journal Article Type Article
Acceptance Date Dec 1, 2016
Online Publication Date Dec 2, 2016
Publication Date Jan 8, 2017
Deposit Date Oct 24, 2017
Publicly Available Date Oct 24, 2017
Journal Neuropsychologia
Print ISSN 0028-3932
Electronic ISSN 1873-3514
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 94
DOI https://doi.org/10.1016/j.neuropsychologia.2016.12.001
Keywords Configural superiority effect; Sustained attention; Vigilance;
Functional near-infrared spectroscopy
Public URL http://eprints.nottingham.ac.uk/id/eprint/47512
Publisher URL https://www.sciencedirect.com/science/article/pii/S0028393216304390
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0





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