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  Backtracking during navigation is correlated with enhanced anterior cingulate activity and suppression of alpha oscillations and the "default-mode" network

Javadi, A.-H., Patai, E., Marin-Garcia, E., Margois, A., Tan, H.-R., Kumaran, D., et al. (2019). Backtracking during navigation is correlated with enhanced anterior cingulate activity and suppression of alpha oscillations and the "default-mode" network. Proceedings of the Royal Society B: Biological Sciences, 286(1908): 20191016, pp. 1-9. doi:10.1098/rspb.2019.1016.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-6D94-B Version Permalink: http://hdl.handle.net/21.11116/0000-0004-6DD3-4
Genre: Journal Article

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Javadi, A-H, Author
Patai, EZ, Author
Marin-Garcia, E, Author
Margois, A, Author
Tan, H-RM, Author
Kumaran, D, Author
Nardini, M, Author
Penny, W, Author
Duzel, E, Author
Dayan, P1, 2, Author              
Spiers, HJ, Author
Affiliations:
1Department of Computational Neuroscience, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_3017468              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Successful navigation can require realizing the current path choice was a mistake and the best strategy is to retreat along the recent path: ‘back-track’. Despite the wealth of studies on the neural correlates of navigation little is known about backtracking. To explore the neural underpinnings of backtracking we tested humans during functional magnetic resonance imaging on their ability to navigate to a set of goal locations in a virtual desert island riven by lava which constrained the paths that could be taken. We found that on a subset of trials, participants spontaneously chose to backtrack and that the majority of these choices were optimal. During backtracking, activity increased in frontal regions and the dorsal anterior cingulate cortex, while activity was suppressed in regions associated with the core default-mode network. Using the same task, magnetoencephalography and a separate group of participants, we found that power in the alpha band was significantly decreased immediately prior to such backtracking events. These results highlight the importance for navigation of brain networks previously identified in processing internally-generated errors and that such error-detection responses may involve shifting the brain from default-mode states to aid successful spatial orientation.

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 Dates: 2019-07
 Publication Status: Published online
 Pages: -
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 Identifiers: DOI: 10.1098/rspb.2019.1016
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Title: Proceedings of the Royal Society B: Biological Sciences
  Abbreviation : Proc. R. Soc. B
Source Genre: Journal
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Publ. Info: London : Royal Society
Pages: - Volume / Issue: 286 (1908) Sequence Number: 20191016 Start / End Page: 1 - 9 Identifier: ISSN: 0962-8452
CoNE: https://pure.mpg.de/cone/journals/resource/110975500577295_2