Pre-processing
Definition: Pre-processing refers to the various steps that transform the data prior to analysis (i.e. prior to e.g. general linear model or image reconstruction). Pre-processing of fNIRS data usually aims at reducing noise in the signal, such as motion artifacts and systemic physiology components.
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References: https://doi.org/10.3389/fnhum.2018.00505
https://doi.org/10.1016/j.dcn.2021.100943
Related terms: noise, filtering, signal quality, artifact, SNR