Frontal effective connectivity increases with task demands and time on task: a Dynamic Causal Model of electrocorticogram in macaque monkeys Article Swipe
Katharina Wegner
,
Charles Wilson
,
Emmanuel Procyk
,
Karl Friston
,
Frederik Van de Steen
,
Dimitris A. Pinotsis
,
Daniele Marinazzo
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2202.10021
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2202.10021
We apply Dynamic Causal Models to electrocorticogram recordings from two macaque monkeys performing a problem-solving task that engages working memory, and induces time-on-task effects. We thus provide a computational account of changes in effective connectivity within two regions of the fronto-parietal network, the dorsolateral prefrontal cortex and the pre-supplementary motor area. We find that forward connections between the two regions increased in strength when task demands increased, and as the experimental session progressed. Similarities in the effects of task demands and time on task allow us to interpret changes in frontal connectivity in terms of increased attentional effort allocation that compensates cognitive fatigue.
Related Topics
Concepts
Macaque
Task (project management)
Dorsolateral prefrontal cortex
Cognitive psychology
Psychology
Working memory
Session (web analytics)
Dorsolateral
Cognition
Prefrontal cortex
Posterior parietal cortex
Neuroscience
Computer science
Management
Economics
World Wide Web
Metadata
- Type
- preprint
- Language
- en
- Landing Page
- http://arxiv.org/abs/2202.10021
- https://arxiv.org/pdf/2202.10021
- OA Status
- green
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4221149520
All OpenAlex metadata
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- DOI
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https://doi.org/10.48550/arxiv.2202.10021Digital Object Identifier
- Title
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Frontal effective connectivity increases with task demands and time on task: a Dynamic Causal Model of electrocorticogram in macaque monkeysWork title
- Type
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preprintOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
-
2022-02-21Full publication date if available
- Authors
-
Katharina Wegner, Charles Wilson, Emmanuel Procyk, Karl Friston, Frederik Van de Steen, Dimitris A. Pinotsis, Daniele MarinazzoList of authors in order
- Landing page
-
https://arxiv.org/abs/2202.10021Publisher landing page
- PDF URL
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https://arxiv.org/pdf/2202.10021Direct link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
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https://arxiv.org/pdf/2202.10021Direct OA link when available
- Concepts
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Macaque, Task (project management), Dorsolateral prefrontal cortex, Cognitive psychology, Psychology, Working memory, Session (web analytics), Dorsolateral, Cognition, Prefrontal cortex, Posterior parietal cortex, Neuroscience, Computer science, Management, Economics, World Wide WebTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
- Related works (count)
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10Other works algorithmically related by OpenAlex
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| sustainable_development_goals[0].display_name | Decent work and economic growth |
| citation_normalized_percentile.value | 0.03035529 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |