The GLM-Spectrum: A multilevel framework for spectrum analysis with covariate and confound modelling

• Published in: bioRxiv
• Main Authors: Quinn, Andrew J, Atkinson, Lauren Z, Gohil, Chetan, Kohl, Oliver, Pitt, Jemma, Zich, Catharina, Nobre, Anna C, Woolrich, Mark W
• Format: Paper
• Language: English
• Published: Cold Spring Harbor Cold Spring Harbor Laboratory Press 07.11.2023; Cold Spring Harbor Laboratory
• Edition: 1.2
• Subjects: Age differences; Neuroscience; Noise reduction; Spectrum analysis; Statistical analysis

The frequency spectrum is a central method for representing the dynamics within electrophysiological data. Some widely used spectrum estimators make use of averaging across time segments to reduce noise in the final spectrum. The core of this approach has not changed substantially since the 1960s, t...