Papers › A comprehensive framework for statistical testing of brain dynamics
A comprehensive framework for statistical testing of brain dynamics
Nick Yao Larsen, Laura Paulsen, Anderson M. Winkler, Diego Vidaurre
We introduce a comprehensive statistical framework for analysing brain dynamics and testing their associations with behavioural, physiological and other non-imaging variables. Based on a generalisation of the Hidden Markov Model (HMM) - the Gaussian-Linear HMM - our open-source Python package supports multiple experimental paradigms, including task-based and resting-state studies, and addresses a wide range of questions in neuroscience and related scientific fields. Inference is carried out using permutation-based methods and structured Monte Carlo resampling, and the framework can easily handle confounding variables, multiple testing corrections, and hierarchical relationships within the data. The package includes tools for intuitive visualisation of statistical results, along with comprehensive documentation and step-by-step tutorials to make it accessible for users of varying expertise. Altogether, it provides a broadly applicable, end-to-end pipeline for analysis and statistical testing of functional neural data and its dynamics.
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