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Temporal learning modulates post-interval ERPs in a categorization task with hidden reference durations

View ORCID ProfileMateus Silvestrin, View ORCID ProfilePeter M. E. Claessens, View ORCID ProfileAndré M. Cravo
doi: https://doi.org/10.1101/2022.01.25.477745
Mateus Silvestrin
1Federal University of ABC (UFABC)
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  • For correspondence: mateusilvestrin@gmail.com
Peter M. E. Claessens
2Federal University of ABC
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André M. Cravo
3Universidade Federal do ABC
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Abstract

The investigation of time-related activity in human electrophysiological activity has recently expanded from signals during the estimated interval to post-interval activity. Previous findings show timing-associated event-related potentials (ERPs) in both early (∼150ms) and late positive components (LPC; ∼300ms) post-interval signals. However, it is still unclear whether and what aspects of temporal information these different patterns of EEG activity are capturing, especially, if these signals are associated with interval duration or other task parameters. In the present work, we designed a modified temporal categorization task to investigate if participants’ adaptation to a changing decisional context led to changes in post-interval ERPs. Participants had to learn a hidden reference duration on each block to categorize the presented target intervals correctly. We found an early posterior N200 potential correlated to target durations and decisional context. A central LPC, which interacted with duration and learning of the hidden reference, predicted behavioral responses. Our findings add to the current evidence that interval duration modulates post-interval activity in timing categorization tasks and shows that late signals are associated with interval duration and decisional context.

Competing Interest Statement

The authors have declared no competing interest.

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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 January 27, 2022.
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Temporal learning modulates post-interval ERPs in a categorization task with hidden reference durations
Mateus Silvestrin, Peter M. E. Claessens, André M. Cravo
bioRxiv 2022.01.25.477745; doi: https://doi.org/10.1101/2022.01.25.477745
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Temporal learning modulates post-interval ERPs in a categorization task with hidden reference durations
Mateus Silvestrin, Peter M. E. Claessens, André M. Cravo
bioRxiv 2022.01.25.477745; doi: https://doi.org/10.1101/2022.01.25.477745

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