The brain time toolbox, a software library to retune electrophysiology data to brain dynamics

Sander Bree (), María Melcón, Luca D. Kolibius, Casper Kerrén, Maria Wimber and Simon Hanslmayr
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Sander Bree: University of Glasgow
María Melcón: Autónoma University of Madrid
Luca D. Kolibius: University of Glasgow
Casper Kerrén: University of Birmingham
Maria Wimber: University of Glasgow
Simon Hanslmayr: University of Glasgow

Nature Human Behaviour, 2022, vol. 6, issue 10, 1430-1439

Abstract: Abstract Human thought is highly flexible, achieved by evolving patterns of brain activity across groups of cells. Neuroscience aims to understand cognition in the brain by analysing these intricate patterns. We argue that this goal is impeded by the time format of our data—clock time. The brain is a system with its own dynamics and regime of time, with no intrinsic concern for the human-invented second. Here, we present the Brain Time Toolbox, a software library that retunes electrophysiology data in line with oscillations that orchestrate neural patterns of cognition. These oscillations continually slow down, speed up and undergo abrupt changes, introducing a disharmony between the brain’s internal regime and clock time. The toolbox overcomes this disharmony by warping the data to the dynamics of coordinating oscillations, setting oscillatory cycles as the data’s new time axis. This enables the study of neural patterns as they unfold in the brain, aiding neuroscientific enquiry into dynamic cognition. In support of this, we demonstrate that the toolbox can reveal results that are absent in a default clock time format.

Date: 2022
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DOI: 10.1038/s41562-022-01386-8

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