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Neural representation of current and intended task sets during sequential judgements on human faces

View ORCID ProfilePaloma Díaz-Gutiérrez, View ORCID ProfileSam J. Gilbert, View ORCID ProfileJuan E. Arco, Alberto Sobrado, View ORCID ProfileMaría Ruz
doi: https://doi.org/10.1101/753533
Paloma Díaz-Gutiérrez
1Mind, Brain and Behavior Center, University of Granada
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Sam J. Gilbert
2Institute of Cognitive Neuroscience, University College London, UK
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Juan E. Arco
1Mind, Brain and Behavior Center, University of Granada
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Alberto Sobrado
1Mind, Brain and Behavior Center, University of Granada
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María Ruz
1Mind, Brain and Behavior Center, University of Granada
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  • For correspondence: mruz@ugr.es
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Abstract

Engaging in a demanding activity while holding in mind another task to be performed in the near future requires the maintenance of information about both the currently-active task set and the intended one. However, little is known about how the human brain implements such action plans. While some previous studies have examined the neural representation of current task sets and others have investigated delayed intentions, to date none has examined the representation of current and intended task sets within a single experimental paradigm. In this fMRI study, we examined the neural representation of current and intended task sets, employing sequential classification tasks on human faces. Multivariate decoding analyses showed that current task sets were represented in the orbitofrontal cortex (OFC) and fusiform gyrus (FG), while intended tasks could be decoded from lateral prefrontal cortex (lPFC). Importantly, a ventromedial region in PFC/OFC contained information about both current and delayed tasks, although cross-classification between the two types of information was not possible. These results help delineate the neural representations of current and intended task sets, and highlight the importance of ventromedial PFC/OFC for maintaining task-relevant information regardless of when it is needed.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted September 02, 2019.
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Neural representation of current and intended task sets during sequential judgements on human faces
Paloma Díaz-Gutiérrez, Sam J. Gilbert, Juan E. Arco, Alberto Sobrado, María Ruz
bioRxiv 753533; doi: https://doi.org/10.1101/753533
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Neural representation of current and intended task sets during sequential judgements on human faces
Paloma Díaz-Gutiérrez, Sam J. Gilbert, Juan E. Arco, Alberto Sobrado, María Ruz
bioRxiv 753533; doi: https://doi.org/10.1101/753533

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