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  The effects of cognitive control and time on frontal beta oscillations

Stoll, F. M., Wilson, C. R. E., Faraut, M. C., Vezoli, J., Knoblauch, K., & Procyk, E. (2016). The effects of cognitive control and time on frontal beta oscillations. Cerebral Cortex, 26, 1715-1732. doi:10.1093/cercor/bhv006.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002B-86FF-7 Version Permalink: https://hdl.handle.net/21.11116/0000-000C-175D-3
Genre: Journal Article

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Stoll_2016_TheEffectsOf.pdf (Publisher version), 2MB
 
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Restricted (Ernst Strüngmann Institute for Neuroscience in Cooperation with Max Planck Society (ESI), MFES; )
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2015
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Copyright © The Author 2015
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https://academic.oup.com/cercor/article/26/4/1715/2367342 (Publisher version)
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 Creators:
Stoll, Frederic M., Author
Wilson, Charles R. E., Author
Faraut, Maïlys C., Author
Vezoli, Julien1, 2, Author
Knoblauch, Kenneth, Author
Procyk, Emmanuel, Author
Affiliations:
1Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society, Max Planck Society, Deutschordenstr. 46, 60528 Frankfurt, DE, ou_2074314              
2Fries Lab, Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society, Max Planck Society, Deutschordenstraße 46, 60528 Frankfurt, DE, ou_3381216              

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Free keywords: Animals Attention/physiology *Beta Rhythm Cognition/*physiology Electrocorticography Executive Function/*physiology Female Frontal Lobe/*physiology Macaca mulatta Male Problem Solving/physiology Time Factors cognitive control effort monkey reward time-on-task
 Abstract: Frontal beta oscillations are associated with top-down control mechanisms but also change over time during a task. It is unclear whether change over time represents another control function or a neural instantiation of vigilance decrements over time, the time-on-task effect. We investigated how frontal beta oscillations are modulated by cognitive control and time. We used frontal chronic electrocorticography in monkeys performing a trial-and-error task, comprising search and repetition phases. Specific beta oscillations in the delay period of each trial were modulated by task phase and adaptation to feedback. Beta oscillations in this same period showed a significant within-session change. These separate modulations of beta oscillations did not interact. Crucially, and in contrast to previous investigations, we examined modulations of beta around spontaneous pauses in work. After pauses, the beta power modulation was reset and the cognitive control effect was maintained. Cognitive performance was also maintained whereas behavioral signs of fatigue continued to increase. We propose that these beta oscillations reflect multiple factors contributing to the regulation of cognitive control. Due to the effect of pauses, the time-sensitive factor cannot be a neural correlate of time-on-task but may reflect attentional effort.

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 Dates: 2015-01-302016-04
 Publication Status: Issued
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 Rev. Type: Peer
 Identifiers: DOI: 10.1093/cercor/bhv006
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Title: Cerebral Cortex
Source Genre: Journal
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Pages: - Volume / Issue: 26 Sequence Number: - Start / End Page: 1715 - 1732 Identifier: ISBN: 1460-2199 (Electronic)1047-3211 (Linking)